I dont think the RPi will get the date/time from the Android phone
without some sort of helper.
However, adding a battery backed up RTC to the RPi is relatively cheap
and very easy (unless it is competing for GPIO pins).
https://www.adafruit.com/product/3386
Might need some work to have it run
oshcar wrote:
> there is a change i made recently that i would like your opinion on
> i have the picore on one pi installation -- lms and squeeze on same pi
> i had slow response performance from the LMS gui
> i looked at the boot codes and swap to disc / card was disabled
> i enabled that -- th
2 new log files
1= locked at 24bit --- produces sound
1=locked at 16bit produces no sound
look very similar to me -- just that first buffer is smaller with the 16
which i think makes sense
but 24 bit works
16 bit doesnt work
/usr/local/bin/squeezelite -n piCorePlayer -o hw:CARD=sndrpihifibe
there is a change i made recently that i would like your opinion on
i have the picore on one pi installation -- lms and squeeze on same pi
i had slow response performance from the LMS gui
i looked at the boot codes and swap to disc / card was disabled
i enabled that -- thinking it might benefit
philippe_44 wrote:
> I'm going to give you my honest "scientific" response. I have a
> specialization in digital signal processing and information theory
> (grade 12 + 5 years) and 25+ years experience in software development
> and implementation. I'm not bragging or trying to use the "argument
slartibartfast wrote:
> Have you any links to claims that padding 16 bit to 24 bit changes the
> sound?
>
> Sent from my Pixel 3a using Tapatalk
i was just looking for them --- i read them a couple years ago - after i
thought i noticed differences. havent found any yet, but was just
reading th
oshcar wrote:
> ok
>
> serious questions - not playing games
>
> are there differing opinions on this ? -- a couple years ago in a
> previous software setup i experimented with i think an alsa setting
> which i thought just padded right before sending to dac. i have no idea
> what it was actua
Paul Webster wrote:
> Also
with the Pu connected to the phone
where the phone is acting as
> WAP
then it should be possible to get the time by running the
> getTime.sh script
>
> So maybe a background script that checks every few minutes to see if the
> current date is less than 2021 th
oshcar wrote:
> ok
>
> serious questions - not playing games
>
> are there differing opinions on this ? -- a couple years ago in a
> previous software setup i experimented with i think an alsa setting
> which i thought just padded right before sending to dac. i have no idea
> what it was actua
so i ran this generic 5102 again with the format locked at 16 bit ---
still no sound -- but log appears different :
/usr/local/bin/squeezelite -n piCorePlayer -o hw:CARD=sndrpihifiberry -a
80:4:16:1: -p 45 -d output=info -f /var/log/pcp_squeezelite.log
[17:56:52.176958] output_init_alsa:933 ini
philippe_44 wrote:
> As a result of decoding, flac returns 32 bits samples but tells you what
> the length of samples is (see https://xiph.org/flac/format.html). So
> when it returns this array of 32 bits samples, they are right justified
> (i.e. if these are 8 bits samples, the first 24+1 bits
oshcar wrote:
> are you saying that with flac there is actually no padding going on ?
> that 32 bit is how it streams in ( for lack of better description ) ?
>
> how does wav return samples ?
>
> how come i never see 16bit unless i force it ?
As a result of decoding, flac returns 32 bits samp
ok slart and paul
think i`m making some progress
appreciate the help
have to take about 30 min off -- have 10 cats and dogs to feed
but will be back
need to review last couple posts again but hopefully i will be able to
play something then stop - check a log and see exactly what it sent to
d
thanks for the simple instructions. I was able to get it all up and
running immediately.
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oshcar wrote:
> i have that done -- not sure what i`m supposed to be looking at
>
> also is it dynamic -- if i make changes it keeps updating ?
You need to update it manually by clicking "show". This is my log.
Code:
/usr/local/bin/squeezelite -n piCorePlayer -o hw
Stop the squeezelite instance running from within pCP. Press stop
button on the “Main” page of the web interface.
Then try again
piCorePlayer a small player for the Raspberry Pi in RAM.
Homepage: https://www.picoreplayer.org
Please 'donate'
(https://www.paypal.com/cgi-bin/webscr?cmd=_dona
paul- wrote:
> Just enter this on your ssh sesstion
>
> >
Code:
> >
> sudo /usr/local/bin/squeezelite -n "piCorePlayer" -o
hw:CARD=sndrpihifiberry -a 80:4:16:1: -d output=debug
>
> >
sudo /usr/local/bin/squeezelite -n "piCorePlayer" -o hw:
Just enter this on your ssh sesstion
Code:
sudo /usr/local/bin/squeezelite -n "piCorePlayer" -o hw:CARD=sndrpihifiberry
-a 80:4:16:1: -d output=debug
piCorePlayer a small player for the Raspberry Pi in RAM.
Homepage: https://www.picorepla
paul- wrote:
> What is your full squeezelite commandline? You can see it if you expand
> the "more>" tag at the bottom of the squeezelite page.
>
> If you are experimenting, the best thing is to run squeezelite from an
> ssh session (Manually typing the commandline) Make sure to stop
> sque
The Generic pCM5102a codec driver plays fine locked at 16 bit
Code:
tc@piRate:~$ sudo /usr/local/bin/squeezelite -n "piRateAudio" -o
hw:CARD=sndrpihifiberry -a 80:4:16:1: -v -d output=debug
[13:58:52.964199] output_init_alsa:933 init output
[13:58:52.966520] out
slartibartfast wrote:
> You can set logging in squeezelite settings. Choose output=info from the
> drop down list then click "save". To view the log
> Main page/Diagnostics/Logs
> select squeezelite from the drop down list.
>
> Sent from my Pixel 3a using Tapatalk
i have that done -- not sure
bpa wrote:
> Your last two posts are minimal - don't understand,
>
> You need to get logging working.
> If your command lines parameters are wrong - squeezelite may not show an
> error, may not stop and you may not get sound.
>
> Logging will show where you are going wrong.
>
> PCP is being u
You can set logging in squeezelite settings. Choose output=info from the
drop down list then click "save". To view the log
Main page/Diagnostics/Logs
select squeezelite from the drop down list.
Sent from my Pixel 3a using Tapatalk
/usr/local/bin/squeezelite -n "piCorePlayer" -o hw:CARD=sndrpihifiberry
-a 80:4:16:1: -p 45
still wont play
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thats what it is now --- playing
let me go back to f=16
give me a few sec
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Your last two posts are minimal - don't understand,
You need to get logging working.
If your command lines parameters are wrong - squeezelite may not show an
error, may not stop and you may not get sound.
Logging will show where you are going wrong.
PCP is being used by many people who are fus
What is your full squeezelite commandline? You can see it if you expand
the "more>" tag at the bottom of the squeezelite page.
If you are experimenting, the best thing is to run squeezelite from an
ssh session (Manually typing the commandline) Make sure to stop
squeezelite in the pCP interfa
yep with the generic 5102 and 16 in that f field = no sound
happened with rune also
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The landing pages for the *easy-setup* configurator and the manual*
account-linking* have been migrated from CoreUI to native Bootstrap 5
libraries and have a new look-and-feel (with better responsiveness as a
result).
Please advise of any issues.
-
the dac doesnt support 24 or hw in general doesnt support 24 ?
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oshcar wrote:
> well after your last comment about cat not really showing you what is
> going on -- i`m not sure
> but
> ALSA f =16
This doesn;t seem right.
I'd expect forcing a format is done from the squeezelite command line
using the "-a" - the alternative might be changing the alsa
configu
It is this thing:
Compal CH7465LG
And maybe it is not an issue once you have full control but I think most
functionality is turned off by the ISP.
Now that everything is running I will most likely have it set to bridge
mode to avoid clashes with multiple DHCPs etc...
i will reboot into generic 5102 and see what happens
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Example of trying to force 24 input on a DAC using "hw" which does not
support 24
Squeezelite can't open the device each time it tries, but it keep trying
and doesn't stop - no indication of error. Logging is necessary.
Code:
$ ./alsacap -d hw:system,0
*** Explo
bpa wrote:
> How are you forcing 16 bit ?
well after your last comment about cat not really showing you what is
going on -- i`m not sure
but
ALSA f =16
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oshcar wrote:
> but the 5102 drivers for the various pi dacs never work for me on any
> software i have tried when i try to force 16bit -- no sound
How are you forcing 16 bit ?
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but the 5102 drivers for the various pi dacs never work for me on any
software i have tried when i try to force 16bit -- no sound
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i dont think that 5102 does 16 bit
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pcp
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plug
oshcar wrote:
> "Interesting next log - as it show something I didn't expect.
> Same device, similar test (2nd stream is 44.1Khz) only this time using
> the "hw" - device is opened with S16_LE but re-oppend with S32_LE later.
> I'm not sure why squeezelite has changed device but shows you need t
"Interesting next log - as it show something I didn't expect.
Same device, similar test (2nd stream is 44.1Khz) only this time using
the "hw" - device is opened with S16_LE but re-oppend with S32_LE later.
I'm not sure why squeezelite has changed device but shows you need to
enable lgging to knwo
oshcar wrote:
> ok bpa
>
> "Give specific exaplanations of the test "i never get 16bit output
> unless i force with f=16 ( Rpi driver ) " so thatit can be understood."
>
> just booted up with Rpi driver -- hw:sendrpi output setting
>
> everything else default
>
> ALSA setting 80 4 _ 1 _
>
>
the Rpi driver i am pretty sure was made for a board that used pcm1794
which accepts 16 and 24 bit
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i previously used rune but no deezer so here i am
pretty sure those came through as 16bit
i am well a where of tricks of the mind -- and have been fooled many
times revealed during an A/B
bit padding was not one of them
os
wav file 16bit source = same
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ok bpa
"Give specific exaplanations of the test "i never get 16bit output
unless i force with f=16 ( Rpi driver ) " so thatit can be understood."
just booted up with Rpi driver -- hw:sendrpi output setting
everything else default
ALSA setting 80 4 _ 1 _
dont know if this qualifies as a test
oshcar wrote:
> but the dac accepts 24bit so no LSB -- those extra zeroes are not
> dropped -- doesnt matter ?There is no information in the 8 LSBs so it makes
> no difference if they
are dropped or not.
Sent from my Pixel 3a using Tapatalk
-
slartibartfast wrote:
> No since the padding bits are all zero.
>
> Sent from my Pixel 3a using Tapatalk
but the dac accepts 24bit so no LSB -- those extra zeroes are not
dropped -- doesnt matter ?
oshcar's Profile: htt
oshcar wrote:
> quote "It doesn't but if you have to perform an operation on 16 bit
> sample (e.g. gain for volume adjust) and then any 16 bit operations
> usually ends up with a 32 bit answer"
> i dont want to perform any software operations
> so why do i have to pad to 32 bit ?
In case operati
Mercenary wrote:
> Hi,
> no. The pCP and the Synology were wired to the router and they are now
> to the old router.
>
> Music is playing :)
It sounds as if that new router had some sort of firewalling on the
internal network or it was just plain rubbish. I dont think they are
sold here.
V
oshcar wrote:
> are you saying that with flac there is actually no padding going on ?
> that 32 bit is how it streams in ( for lack of better description ) ?
>
> how does wav return samples ?
>
> how come i never see 16bit unless i force it ?
could some post a simple chain of events with a
philippe_44 wrote:
> Padding 16 to 32 bits, if the source is 16 bits does not change dynamic.
>
>
> Now, there is a real benefit to use 32 bits integers as the internal
> representation when you chain calculations as you need a precision that
> using 16 bits interim results loses. If you take f
oshcar wrote:
> does padding 16 bit to 24 bit if source is 16 bit change dynamic range ?No
> since the padding bits are all zero.
Sent from my Pixel 3a using Tapatalk
slartibartfast's Profile: http://forums.slimdevice
philippe_44 wrote:
> Padding 16 to 32 bits, if the source is 16 bits does not change dynamic.
>
>
> Now, there is a real benefit to use 32 bits integers as the internal
> representation when you chain calculations as you need a precision that
> using 16 bits interim results loses. If you take f
oshcar wrote:
> thankyou for this response. there is alot of good information here. i am
> still processing it. will respond again.
ok
yes -- i want to avoid degradation
i understand the LSB
quote "It doesn't but if you have to perform an operation on 16 bit
sample (e.g. gain for volume adju
KillerRabbit wrote:
> Hi,
>
> The only problem appear when I try to control playback from my network
> player:
> - pause/resume typically works fine:
>
> - STOP makes further playback impossible:
> + Roon stays in playing mode also the track doesn't progress
> + pressing PLAY causes only (with
Hi,
no. The pCP and the Synology were wired to the router and they are now
to the old router.
Music is playing :)
3 * Boom, 1 * Radio, 1 * Touch, 1 SB Classic, 2 SB Duet, 1pi with
picoreplayer, server and music on Synology DS718+
library ~50.000 titles
--
bpa wrote:
> My point is, I think you want to avoid degradation rather than actively
> "improve quality"
>
>
>
>
> LSB = Least Significant Bits
>
> To convert a 16 bit auidio sample to a 24 bit audio sample you add 8
> zeroes od least significant bits.
>
> It is the similar as converting Eu
oshcar wrote:
> does padding with zeroes increase dynamic range ?
>
> 16 bit to 32 bit to 24 bit
>
> doesnt 16bit to 24bit seem cleaner ? -- does it matter -- i dont know --
> i just want to try it to see if it makes a difference to my ears. or
> maybe just knowing that one step is removed will
oshcar wrote:
> does padding with zeroes increase dynamic range ?
>
> 16 bit to 32 bit to 24 bit
>
> doesnt 16bit to 24bit seem cleaner ? -- does it matter -- i dont know --
> i just want to try it to see if it makes a difference to my ears. or
> maybe just knowing that one step is removed wil
Is you pCP on WiFi?
VB2.4[/B] STORAGE *QNAP TS419P (NFS)
[B]Living Room* Joggler & Pi4/Khadas -> Onkyo TXNR686 -> Celestion F20s
*Office* Joggler & Pi3 -> Denon RCD N8 -> Celestion F10s
*Dining Room* SB Boom
*Kitchen* UE Radio (upgraded to SB Radio)
*Bedroom (Bedside)* Pi Zero+DAC ->Toppin
d6jg wrote:
> The %2 s should not be there. Type the mount point in dont paste it
Unfortunately that was not it either. After typing it pcP just said that
nothing had changed so I guess it was "correct" before.
But I managed to get it working.
I got totally fed up by the behaviour of the new r
philippe_44 wrote:
> Squeezelites internal representation of samples is always 32 bits. Ive
> done a 16 bits version for the esp32 implementation but its purely to
> save memory and cpu.
>
> Without questioning that you hear a difference, I can ensure you that
> padding 0s is not the cause,
oshcar wrote:
> "improve sound quality" -- i have no desire to argue this.
My potion Is I think you want avoid degradation rather than actively
"improve signal"
> dont know what LSB is
LSB = Least Significant Bits
To convert a 16 bit auidio sample to a 24 bit audio sample you add 8
zeroes od
oshcar wrote:
> "improve sound quality" -- i have no desire to argue this.
> dont know what LSB is
> dac chip accepts 16 bit -- dont why it needs more zeroes, or why it
> needs 16 more zeroes instead of 8 more zeroes.
Squeezelites internal representation of samples is always 32 bits. Ive
done
bpa wrote:
> I think you need to be be more specific again about "improve sound
> quality".
>
> It feels like you are concerned that somehow padding is degrading the
> original audio samples - it is not, it is adding zeroes to the LSB which
> are needed if the destination or a calculation requ
To day, I can not install UPnP Bridge Plugin to Daphile 21.01, Youtube
and Airplay Bridge plugin cann't install too.
Anyone having the same problem as me?
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oshcar wrote:
> I am just trying to improve sound quality. something about picore sound
> has never sat right with me. i have played around with the bit length
> padding alot in other software and have never liked padding 16bit source
> material to 32 bit. when i suspected that picore was paddin
also my dac chip, pcm1793, states in documentation that it accepts up to
24bit, doesnt specify 32bit but in practice it does accept 32bit. so who
knows what is going on internally there.
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in addition to the als setup from previous post -- i also set f to 24
for the generic 5102
so 16bit to 32bit to 24bit
seems unnecessary
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Mercenary wrote:
> Hi Paul,
> thanks.
>
> So here is what I did.
>
> 1. install pcp 8
> 2. remove all the permessions in the Synology NAS
> 3. remove the mount in pcp
> 4. restart pcp and also in the meantime restart the NAS
> 5. wait for a decent time (10 minutes) - NAS was NOT hibernating or
bpa wrote:
> If you could explain what problem you are trying to solve and give a
> specific example (including input file format, h/w and ALSA devices
> being used), it might help getting more explicit answers.
>
> ALSA is an interface to devices. It has capability to software convert
> "inpu
oshcar wrote:
> thx Greg
>
> at the very least it should be possible to go into the relevant piece of
> code and change a "32" to "24", so the software runs the same only with
> 24bit length instead of 32.
> I understand this may complicate SOX implementation -- for example :
> 28bit precision
Greg Erskine wrote:
> Welcome :)
thx Greg
at the very least it should be possible to go into the relevant piece of
code and change a "32" to "24", so the software runs the same only with
24bit length instead of 32.
I understand this may complicate SOX implementation -- for example :
28bit prec
whitman wrote:
> OK, didn't realise I had to actually make a folder and file. And then
> put the code at post 7656 into the empty file?
Yes, paste the contents into "desktop.css" or "mobile.css" - Material
will load the CSS file that corresponds to its current layout.
*Material debug:* 1. La
OK, didn't realise I had to actually make a folder and file. And then
put the code at post 7656 into the empty file?
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paul- wrote:
> The NAS must be fully up and running before pCP boots. If power outages
> are common. You can increase the boot wait time where you setup the
> network mounts on the pCP interface
Hi Paul,
thanks.
So here is what I did.
1. install pcp 8
2. remove all the permessions in the S
Welcome :)
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