Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-27 Thread Mark Lanctot

SlimServer will indicate whether it will be applying a volume
adjustment, just click on the track name.  Look for Volume Adjustment
and Album Volume Adjustment in the fields.


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-27 Thread Skunk

Mark Lanctot;183981 Wrote: 
 SlimServer will indicate whether it will be applying a volume
 adjustment, just click on the track name.  Look for Volume Adjustment
 and Album Volume Adjustment in the fields.

I think the word I was searching for was 'normalizing', WRT ways the
ripper might cause this.


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-27 Thread Mark Lanctot

Skunk;184017 Wrote: 
 I think the word I was searching for was 'normalizing', WRT ways the
 ripper might cause this.

Dang, I usually quote who I'm responding to.  When I don't I often get
called out.

I wasn't referring to your post specifically, Skunk.  :-)  I'll revise
the post.


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-27 Thread kphinney

Mark's insight into checking the volume adjustment has revealed that the
lower VU tracks are adjusted from -8 to -12 dB on the ones I've
compared, whereas the higher VU tracks do not list a Volume
Adjustment.
I had a stint a few years back where I was home-bound after an
accident.  In that time I transfered a few hundred CD's into AAC.  It'd
be difficult for me to perform the feat again.  Is SS choosing this
decrease in volume or is it part of the encoding process?  
Thanks Mark and Skunk.


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-27 Thread Mark Lanctot

kphinney;184182 Wrote: 
 Mark's insight into checking the volume adjustment has revealed that the
 lower VU tracks are adjusted from -8 to -12 dB on the ones I've
 compared, whereas the higher VU tracks do not list a Volume Adjustment.

That would be consistent with what you're hearing then.  -8 to -12 dB
adjustments are typical of many modern CDs.

 I had a stint a few years back where I was home-bound after an accident.
 In that time I transfered a few hundred CD's into AAC.  It'd be
 difficult for me to perform the feat again.

Note you can just tell SS to stop using this adjustment (see the end of
this post).

If you want volume adjustment on all of them (or none of them) foobar
should be able to do it.

Just load all the files, select them all (Edit - Select All or click
the first, shift+click the last).  Then right-click one - you can
calculate new ReplayGain values or clear the existing ones in one
stroke.

Give it some time to do its work, particularly if you're calculating
new RG values.  With hundreds/thousands of files, it will take hours,
maybe overnight or longer.  The good news is you don't have to do
anything or re-rip.

 Is SS choosing this decrease in volume or is it part of the encoding
 process?  
 Thanks Mark and Skunk.

You're welcome.

You can tell SS to ignore this by going to Player Settings - Audio
(last section) Volume Adjustment / Replay Gain.  SS is using it because
the tags are there and you will find that Volume Adjustment / Replay
Gain has been activated.

They were most likely added during encoding, yes.  Generally you can
specify whether you want these tags or not.  It doesn't hurt to keep it
enabled, you can choose to use the tags or not.


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-27 Thread kphinney

Mark Lanctot;184184 Wrote: 
 You can tell SS to ignore this by going to Player Settings - Audio (last
 section) Volume Adjustment / Replay Gain.  SS is using it because the
 tags are there and you will find that Volume Adjustment / Replay Gain
 has been activated.
 
 They were most likely added during encoding, yes.  Generally you can
 specify whether you want these tags or not.  It doesn't hurt to keep it
 enabled, you can choose to use the tags or not.

Excellent.  Disable Volume Adjustment leveled out the files I've been
playing with.  Perhaps, one day, I will get around to re-encoding all of
those CD's.  I truly appreciate all of your assistance.  Next step for
me is to find a great encoder program for OSX.  Perhaps another post
after I do some searching.
Thanks again.


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-26 Thread Mark Lanctot

Are you using ReplayGain?

If so, Internet radio will almost always be louder - contemporary music
will be up to 10 dB louder as a result of the loudness wars.

You may want to disable ReplayGain playback of SlimServer sources
(SlimServer Player Settings - Audio - Volume Adjustment/Replay Gain).

There's an enhancement request to compensate for this here:

http://bugs.slimdevices.com/show_bug.cgi?id=2431

Please vote for it.


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-26 Thread empty99

pablolie;183598 Wrote: 
  Darn, I had prided myself on my cassette recorded skills, and friends
 begged me for my productions!).
 
 I know I'd be displeased if different sources had wildly different
 levels - for one I'd be worried about some source actually feeding too
 high a signal and distorting or even damaging stuff.

You got to ride your gain on cassette recordings to maximize S/N
ratio, those Chromium dioxide tapes, then pure Metal particle tapes,
allowing those red peak indicators to flash just so w/o overloading the
tapes. I wore out the azimuth adjustment screws on my Sony deck just
trying to match the sound quality of the source. I thought I did but
upon later listening, they proved fruitless due to mechanical stress
and degradation of the tape media itself, and with the introduction of
the CD with its wild dynamic range, the cassette days were doomed. Fond
memories indeed...


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-26 Thread kphinney

As quoted by empty99 it does seem that the Quality is not degraded, only
the volume.  It is still an issue for me since changing between my
sources requires turning the volume way down before switching so as to
not upset my neighbors or relaxation.  
I switched the screen-saver over to Analog VU.  While I know this isn't
a completely accurate measure, my canned music barely moves the needle
while streams average out a tad less than 0.


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-26 Thread Skunk

kphinney;183777 Wrote: 
 As quoted by empty99 it does seem that the Quality is not degraded, only
 the volume. 

Have you tried ripping an album with another application? Sounds like
replaygain added upon ripping, though I don't remember if you said
iTunes Store songs were quiet as well. 

It may be worth checking relevant settings in whatever app you use, or
giving a rundown of your process/OS etc..


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[SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-25 Thread kphinney

I've just setup my Squeezebox and Slimserver and have noticed an issue
regarding the quality of my stored music vs that of streams:  my music,
regardless of quality, hits the Squeezebox at a lower VU than outside
streams (Pandora, etc.).
While the majority of my collection is 128-256 kbps, I have quite a bit
of classical at 1411 and my recent additions at 320.  All of these
barely move the SB VU meter and necessitate me notching up the volume -
only to be blown away when I stream from outside sources.  
I never noticed this when I was playing directly from OSX to the
receiver using digital.  Now the SB is TOS linked to an HK receiver.

Anyone know how to increase the gain of SS or help me with a
workaround?


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-25 Thread pablolie

It could be something as simple as inadvertent locking down of the
volume on the RCA output from the SB if that's what you're using. I use
the optical and an external DA function, and have never ever -despite
some other issues- encountered a problem with volume levels.


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-25 Thread kphinney

I am using digital TOC with volume locked, not RCA.  With more
experimentation I've found that the better the quality (1411, vs.
128kpbs) the higher the gain, but it doesn't seem to correlate
completely:  Streamed audio at 128 (mostlyclassical.com, groovesalad,
etc) still has a much higher VU than my stored music at higher kbps.


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-25 Thread pablolie

any effect if your turn the gain stuff off?


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-25 Thread empty99

kphinney;183583 Wrote: 
 Thanks pablolie.  I am using digital TOC with volume locked, not RCA. 
 With more experimentation I've found that the better the quality (1411,
 vs. 128kpbs) the higher the gain, but it doesn't seem to correlate
 completely:  Streamed audio at 128 (mostlyclassical.com, groovesalad,
 etc) still has a much higher VU than my stored music at higher kbps.

The Netradio sound levels are generally about 2-3dB louder than my
ripped WAV in server, just a click or two on my passive pot to make it
level, no big deal IMHO.
SB3-Optical-MF A3.24DAC-50kOhm pot-2 Naks PA7-BW N802-Nice!


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-25 Thread pablolie

 SB3-Optical-MF A3.24DAC-50kOhm pot-2 Naks PA7-BW N802-
 Nice!

*Very* nice. Very nice indeed.


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-25 Thread empty99

pablolie;183592 Wrote: 
  SB3-Optical-MF A3.24DAC-50kOhm pot-2 Naks PA7-BW N802-
  Nice!
 
 *Very* nice. Very nice indeed.

The originator of this thread mislabeled the quality for playback
level. It's only a volume issue, not sound quality per se. In my
system, the PC server  SB3 playback level is exactly the same as from
my CD player when both feed the external DAC. The internet radio level
is consistently higher for some reason but sounding harder, duller and
constricted, typical of lower bitrate MP3 streams.


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Re: [SlimDevices: Audiophiles] How to increase quality of server side music...

2007-02-25 Thread pablolie

 ... The originator of this thread mislabeled the quality for 
 playback level. 

I do think there are some standards for signal levels, so I think it
would be unusual for different sources to have very different levels.
Then again, I have tended to only and exclusively feed pure sources
into my audio system - CDs, now the SB via the CDs DA, and formerly
more turntable and compact cassette stuff (amazing how the latter,
which was an enjoyable art 15 years ago, has utterly disappeared. Darn,
I had prided myself on my cassette recorded skills, and friends begged
me for my productions!).

I know I'd be displeased if different sources had wildly different
levels - for one I'd be worried about some source actually feeding too
high a signal and distorting or even damaging stuff.


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