[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Kai-Heng Feng]

@Esokrates that's weird. I can install the kernel, even on my Zesty
machine.

This is for Zesty,
http://people.canonical.com/~khfeng/lp1654448-zesty/

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Daniel van Vugt]

There are multiple variables here you need to consider...

The headset socket is 4-contact to support headphones with built-in
microphone. So if you plug in a 4-contact jack then you are more likely
(not guaranteed) to get a clean connection (4 contacts touching 4
separate contacts).

However a "clean" connection is not helpful if you've plugged in the
wrong type of headset. See there are different types (too many):

  
https://technosyndicate.files.wordpress.com/2012/12/122312_0549_common35mm11.png
  http://www.cablechick.com.au/blog/understanding-trrs-and-audio-jacks/

So an imperfect connection is pretty common. And an imperfect connection
might touch the laptop's mic contact to something else. In fact if you
get a pair of Bose Quiet Comfort QC25 then you have a choice between
buying one with Apple support or Samsung/Android support (although some
stores will only stock Apple). One doesn't work in the other but they
both appear to be identical 4-contact 3.5mm jacks.

Yes indeed this can be fixed in software to silence or reduce noise from
the mic line. But remember it's a hardware problem as well as a software
problem. You should try both hardware and software solutions.

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

@vanvugt  I do have both cable types (with and without cable mic).  In
testing the Quiet Comfort 15s:

Bose CQ 15 w/ normal cable - The hiss is present with 0 dB headphone mic
gain, but far more reduced than the Sony earbuds.  It is almost
unnoticeable.  If I weren't trying to hear it, I'd miss it.

Bose CQ 15 w/ mic cable - I cannot detect any hiss present with 0 db
gain.


@esokrarkose  I'm sorry I misunderstood what you were saying about your
experience with the hiss.  I thought you were saying it only happened
while playing a sound.  I too experience the constant hiss with my
earbuds.  I don't doubt the hiss in normal headphones.

The Bose CQs do produce the hiss with one cable type.  It is barely
noticeable and much more subdued than the earbuds.  I'm not sure what
Bose does if anything with the sound signal coming from the headphone
jack.  Maybe it's just reduced due to higher quality speakers than say
my earbuds.  As I understand it the noise cancellation is meant for
external sounds, but like you said, maybe it plays a role in making the
hiss less audible.  The noise cancellation itself does produce a level
of white noise.

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Esokrates]

Regarding the Bose Quiet Comfort ... those are noise cancelling headphones, it 
is no surprise to me that those cancel the hiss.
I have tested multiple normal earphones and I can reproduce the issue everytime.

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Esokrates]

@spike speigel: The tlp issue in the arch Linux wiki is unrelated. The point I 
was that when tlp is installed and no audio is currently playing, tlp turns off 
the sound card and thus the hiss disappears. 
The second point I was trying to say: Of course the white noise is audible when 
nothing is playing, but only if audio is not muted.

@Kai-Heng Feng: Unfortunately I can't boot your kernel (BTRFS error: could not 
find root 8).
Could you give me the applied patch or supply a more recent kernel build?

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You received this bug notification because you are a member of Ubuntu
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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Daniel van Vugt]

** Changed in: linux (Ubuntu)
 Assignee: (unassigned) => Kai-Heng Feng (kaihengfeng)

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Kai-Heng Feng]

Please try this kernel: http://people.canonical.com/~khfeng/lp1654448/
AAMIX is disabled, I can't verify it through my bad ear though.

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Daniel van Vugt]

Please try both cable types of the Bose Quiet Comfort (assuming you have
two). And you might want to try my favourite trick of plugging in via a
headphone splitter/extension/adapter. Sometimes you just have to
piggyback on a different connector to get a clean connection.

I'm not saying the primary bug isn't in the laptop, but it's also likely
one or some people affected here also suffer from physical connector
problems. Always happens...

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

Out of curiosity I tried my Bose Quiet Comfort 15s, and I can't detect
the hiss in those at either a dB gain of 0.00 or 10.00 with the
headphone mic boost.

That is odd.

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

I would like to say I have plain old Sony earbuds, and the sound is very
noticeable without playing any sound what so ever.  As previously
mentioned, upping the dB gain on the headphone mic boost from 0.00 to
10.00 completely stops the hissing for whatever reason.

Also, the Arch Linux wiki has some related notes regarding TLP and
hissing through headphones reported.  I've not messed with TLP at all.
/etc/default/tlp as referenced in the wiki does not exist on my system.

https://wiki.archlinux.org/index.php/Dell_XPS_13_(9360)#Troubleshooting

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Esokrates]

Addendum to the original description:

Steps to reproduce:

0. Make sure tlp is NOT installed
1. Plug in headphones
2. Make sure volume is not muted!

NOTES:
Ad 0.: tlp configures audio power saving, the hiss is only noticeable when 
listening to music.
Ad 2.: If the headphones are muted then there is no hiss.

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Esokrates]

Kai, I have tested the 4.12 mainline kernel. The hiss is clearly audible.
Please make suggestions how I can help you.

My earphones are Bose Soundtrue Ultra, but I guess that wont be helpful
to know.

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

Here's an earlier bug report (~Dec 2015):

http://lkml.iu.edu/hypermail/linux/kernel/1512.1/02819.html

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Daniel van Vugt]

Comment #12 suggests the fix is already released (a kernel fix). However
that also suggests the fix was released before the bug was reported :)
So logic says that first fix didn't work(?).

Andrew: as original reporter can you please update your system and
retest?

** Also affects: linux (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
   Status: New => Confirmed

** Changed in: alsa-driver (Ubuntu)
   Importance: Undecided => Medium

** Changed in: pulseaudio (Ubuntu)
   Importance: Undecided => Medium

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Kai-Heng Feng]

I can't hear the hiss sound... either I am getting old or my headset is
choppy.

Can you test the latest mainline linux kernel [1] to see if it helps?

[1] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.12-rc1/

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https://bugs.launchpad.net/bugs/1654448

Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

** No longer affects: dell-sputnik

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Jared Dominguez]

@frail-knight, the right people are already subscribed to this bug.
Please *stop* changing bugs to affect dell-sputnik

** Changed in: dell-sputnik
   Status: New => Incomplete

** Changed in: dell-sputnik
   Status: Incomplete => Invalid

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in Dell Sputnik:
  Invalid
Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/dell-sputnik/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

** Also affects: pulseaudio
   Importance: Undecided
   Status: New

** Project changed: pulseaudio => dell-sputnik

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in Dell Sputnik:
  New
Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/dell-sputnik/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

** Tags added: zesty

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Esokrates]

** Attachment removed: "hwinfo"
   
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+attachment/4869156/+files/hwinfo

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You received this bug notification because you are a member of Ubuntu
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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Esokrates]

The mentioned workaround

amixer -c 0 set 'Headphone Mic Boost',0 1

has the drawback of significantly lowering the headphone volume!
You can easily test it listening to audio and switching back to

amixer -c 0 set 'Headphone Mic Boost',0 0

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Esokrates]

** Attachment added: "hwinfo"
   
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+attachment/4869156/+files/hwinfo

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You received this bug notification because you are a member of Ubuntu
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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Esokrates]

** Attachment added: "hwinfo"
   
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+attachment/4869155/+files/hwinfo

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Esokrates]

Wow, thanks for the quick reply, I am willing to provide any information
you need, thanks very much for having a look.

** Attachment added: "lshw"
   
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+attachment/4869101/+files/lshw

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Kai-Heng Feng]

The patch is included in mainline, and it's included in Xenial since 4.4.0-25.
Also, our testing machines are not the final mass production version - I'll try 
get one and take a look on it.

commit 423cd785619ac6778252fbdb916505aa1c153959
Author: Kai-Heng Feng 
Date:   Fri May 20 15:47:23 2016 +0800

ALSA: hda - Fix headphone noise on Dell XPS 13 9360

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Esokrates]

Subscribed Kai-Heng Feng, the submitter of the linked patch
(https://patchwork.kernel.org/patch/9128611/), maybe he could give a
status update!?

My two machines are affected too (XPS 13 9360), confirming the
workaround from #5

amixer -c 0 set 'Headphone Mic Boost',0 1

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: pulseaudio (Ubuntu)
   Status: New => Confirmed

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You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1654448

Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

Looks like that patch has just sat there since last year :(

-- 
You received this bug notification because you are a member of Ubuntu
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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  New

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

ALC256 looks like a codec, and I always thought ALC 3246 was the Realtek
"model/chip".  Not sure if my thoughts on that are accurate.

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You received this bug notification because you are a member of Ubuntu
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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  New

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

What's the diff between ALC256 and ALC3246??  It seems the 9350 has the
ALC3246 as well.

-- 
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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  New

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[bwat47]

It looks like there was some activity with a kernel patch from someone
at canonical at some point: https://patchwork.kernel.org/patch/9128611/

-- 
You received this bug notification because you are a member of Ubuntu
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https://bugs.launchpad.net/bugs/1654448

Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  New

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

** Tags added: 9360 alsa dell headphones pulse realtek xenial xps

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You received this bug notification because you are a member of Ubuntu
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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  New

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

** Also affects: pulseaudio (Ubuntu)
   Importance: Undecided
   Status: New

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed
Status in pulseaudio package in Ubuntu:
  New

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

It is!

I've also kept this one-liner in my bash history so I don't have to
enter alsamixer and use multiple key strokes:

amixer -c 0 set 'Headphone Mic Boost',0 1

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You received this bug notification because you are a member of Ubuntu
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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[bwat47]

This bug is pretty obnoxious...

So far the only way I've found to get the alsamixer settings to persist
without pulseaudio repeatedly undoing it is editing the pulseaudio
config files per the arch wiki here:

https://wiki.archlinux.org/index.php/Dell_XPS_13_(9350)

Hissing/Crackling noises when using headphones section

Unfortunately this disabled the internal mic completely though and the
changes will get reset when pulseaudio is updated.

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

I would like to share that I found this post referring to a similar
issue where sound settings weren't maintained, maintained being a better
word than saved because I believe alsamixer might properly save the
settings.

According to the post it is pulseaudio which is actually modifying the
settings:

http://askubuntu.com/a/549939

I tested as suggested, by modifying the "Headphone Mic Boost" within
alsamixer and exiting.  I then ran:

pulseaudio -k

And pulseaudio reset the "Headphone Mic Boost" to dB gain 0.00, 0.00.
The hissing reappeared.

If I could get pulseaudio to stop resetting the "Headphone Mic Boost" in
alsamixer, then that would be an acceptable workaround.

But, I think the real issue still needs to be resolved.  One would
expect a dB gain 0.00, 0.00 to be absolutely silent.  The user should
not need to kick it up a notch to dB gain 10.00, 10.00.

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Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: alsa-driver (Ubuntu)
   Status: New => Confirmed

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https://bugs.launchpad.net/bugs/1654448

Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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[Touch-packages] [Bug 1654448] Re: XPS 13 9360, Realtek ALC3246, Headphone audio hiss

[spike speigel]

I'm experiencing the same issue:

Dell XPS 13 Developer Edition

BIOS v1.3.2

Ubuntu 16.04

spike@blackhole:~$ uname -a
Linux blackhole 4.4.0-64-generic #85-Ubuntu SMP Mon Feb 20 11:50:30 UTC 2017 
x86_64 x86_64 x86_64 GNU/Linux

spike@blackhole:~$ apt search alsa-base
Sorting... Done
Full Text Search... Done
alsa-base/xenial,xenial,now 1.0.25+dfsg-0ubuntu5 all [installed]
  ALSA driver configuration files

-- 
You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to alsa-driver in Ubuntu.
https://bugs.launchpad.net/bugs/1654448

Title:
  XPS 13 9360, Realtek ALC3246, Headphone audio hiss

Status in alsa-driver package in Ubuntu:
  Confirmed

Bug description:
  Pertaining to 16.04 on a dell XPS 13 9360

  ii  alsa-base 1.0.25+dfsg-0ubuntu5

  Advanced Linux Sound Architecture Driver Version k4.4.0-57-generic.

  
  When headphones are plugged in, there is a clearly audible hiss (white 
noise). This is present as soon as the headphones are plugged in, whether 
'headphones' or 'headset' are selected from the pop-up box. 

  Using alsamixer to debug the issue reveals that it is related to
  "Headphone Mic Boost" - the default setting is: dB gain 0.00, 0.00. If
  this is changed to:

  10.00, 10.00 (one notch up) the hiss disappears. 
  20.00, 20.00 cause a louder hiss and 
  30.00, 30.00 causes an even louder hiss with high frequency audio artifacts. 

  When the headphones are removed and plugged back in the Headphone Mic
  Boost setting returns to dB gain 0 and the problem also returns.

  This (problem and workaround) has been reported in the wild:
  https://news.ycombinator.com/item?id=13050843 and
  
https://www.reddit.com/r/Dell/comments/4j1zz4/headphones_have_static_noise_with_ubuntu_1604_on/
  for example

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1654448/+subscriptions

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