Re: [SlimDevices: Unix] Community Squeeze OS R3

2013-08-06 Thread debris77

Additional results for the wandboard QUAD under F19-A1 20130727.

Works with both optical and USB out to an Audio GD NFB-2 DAC.
Works with USB out to AktiMate Micro powered speakers.

Runs the Logitech media server to drive 3 different squeezeboxes at the
same time, in addition to squeezelite/jivelite.

Impressive stuff guys.

Cheers, Dave.



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Re: [SlimDevices: Unix] piCoPlayer = Squeezelite on Microcore linux. .An embedded OS in RAM with Squeezelite

2013-08-06 Thread Hilox

Hello and thanks för this very neat and esy and good software. 

Now i´ve set up my raspberry with picore, downloaded latest image, and
i´m using it to play through headphone output and everything works
superb except one thing. As i have 2 other Squeezeboxes, i have
synchronized the Picoreplayer with one of the Squeezeboxes and played
from my spotify app in logitechs box. They started play together but the
music is not synced all the time. It sounds that the Picore has a hard
time catching up to the Logitech´s player and it goes up and down all
the time: sound is synced now but after a couple of seconds it is not
and then it is synced again and then not etc...

The player is using a wired LAN connection. 

As i´m a noob in both Linux and PiCore maybe i´ve mised some settings?



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Re: [SlimDevices: Unix] Community Squeeze OS R3

2013-08-06 Thread JackOfAll

Code:


  [fedora@wandboard ~]$ iecset -c1
  Mode: consumer
  Data: audio
  Rate: 44100 Hz
  Copyright: permitted
  Emphasis: none
  Category: PCM coder
  Original: 1st generation
  Clock: 1000 ppm
  




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Re: [SlimDevices: Unix] Community Squeeze OS R3

2013-08-06 Thread JackOfAll

JohnSwenson wrote: 
 
 Triode, could you also point me to the file the patch is applied  to I
 can try and see if there are any other status bits that look suspect.
 


Code:


  --- a/sound/soc/codecs/mxc_spdif.c
  +++ b/sound/soc/codecs/mxc_spdif.c
  @@ -1273,9 +1309,7 @@ static int __devinit mxc_spdif_probe(struct 
platform_devic
  e *pdev)
  
  if (plat_data-spdif_tx) {
  /* init tx channel status default value */
  -   mxc_spdif_control.ch_status[0] =
  -   IEC958_AES0_CON_NOT_COPYRIGHT |
  -   IEC958_AES0_CON_EMPHASIS_5015;
  +   mxc_spdif_control.ch_status[0] = 
IEC958_AES0_CON_NOT_COPYRIGHT;
  mxc_spdif_control.ch_status[1] = IEC958_AES1_CON_DIGDIGCONV_ID;
  mxc_spdif_control.ch_status[2] = 0x00;
  mxc_spdif_control.ch_status[3] =
  



+---+
|Filename: csos0005-as-patch4-spdif-pll4.patch  |
|Download: http://forums.slimdevices.com/attachment.php?attachmentid=15043|
+---+


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Re: [SlimDevices: Unix] Community Squeeze OS R3

2013-08-06 Thread JohnSwenson

So I ran the optical out from the  SWAMP board into my AVR and it works.
(Boy have I gotten spoiled by the upsampling to 352 into the DAC I'll be
using fro CSP, the AVR sounded terrible in comparison)

So it works into the AVR, but not the EMU_0404USB. The optical out from
the Touch works fine on both. 

So it has got to be something in the channel status bits that is
different between the two. In the next couple days I'll be working on
the FPGA SPDIF receiver, I'll grab the bits from both and post them. 

John S.



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Re: [SlimDevices: Unix] piCoPlayer = Squeezelite on Microcore linux. .An embedded OS in RAM with Squeezelite

2013-08-06 Thread hoffsta

Hilox wrote: 
 Hello and thanks för this very neat and esy and good software. 
 
 Now i´ve set up my raspberry with pico, downloaded latest image, and i´m
 using it to play through headphone output and everything works superb
 except one thing. As i have 2 other Squeezeboxes, i have synchronized
 the Picoplayer with one of the Squeezeboxes and played from my spotify
 app in logitechs box. They started play together but the music is not
 synced all the time. It sounds that the Pico has a hard time catching up
 to the Logitech´s player and it goes up and down all the time: sound is
 synced now but after a couple of seconds it is not and then it is synced
 again and then not etc...
 
 The player is using a wired LAN connection. 
 
 As i´m a noob in both Linux and PiCo maybe i´ve mised some settings?

I can't speak to your setup exactly, but I've found that my two
Raspberry Pis are generally a little slower than my desktop players
(SqueezePlay). I had to go into the Logitech Media Server Settings
Player  Synchronize  Player Audio Delay (ms) and change it to about
75 or 80ms. I still get a constant but subtle shift in timing, almost
like one player is moving closer to me, then further away, but I no
longer have problems with echoing. I hope that helps you!

I don't know if this is a problem with LMS or with Squeezelite but I
don't remember the synchronizing issues being as bad when I was using
Airfoil.



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Re: [SlimDevices: Unix] Community Squeeze OS R3

2013-08-06 Thread Triode

JohnSwenson wrote: 
 So I ran the optical out from the  SWAMP board into my AVR and it works.
 (Boy have I gotten spoiled by the upsampling to 352 into the DAC I'll be
 using fro CSP, the AVR sounded terrible in comparison)
 
 So it works into the AVR, but not the EMU_0404USB. The optical out from
 the Touch works fine on both. 
 
 So it has got to be something in the channel status bits that is
 different between the two. In the next couple days I'll be working on
 the FPGA SPDIF receiver, I'll grab the bits from both and post them. 
 
 John S.

Good news that it is working, though I thought we had the same values
set in the channel status as touch.  Let us know what you see.  It's
either this or the frequency is not accurate/stable enough using the
audio pll [also hoping this is not the case]



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Re: [SlimDevices: Unix] piCoPlayer = Squeezelite on Microcore linux. .An embedded OS in RAM with Squeezelite

2013-08-06 Thread hoffsta

fourwed wrote: 
 Another user, Henke, tried picoplayer and he suggested the following
 settings.
 
 http://www.head-fi.org/t/674236/squeezebox-touch-replacement-raspberry-pi-picoplayer#post_9678115
 
 It is special for his ALSA device settings and -r settings, please
 take a look and it might work for your USB DAC.

Thank you for that- my scratchiness seems to be gone with the HiFiMeDiy
Sabre DAC  PiCore 1.0.6. I am only playing 16/44 files but they work
much better with these settings. For anyone who wants to know the
settings suggested by Henke, here they are:

 I'm using the picoreplayer, it's whats worked best for me so far. And
 like I said - playing a locally stored file on the Pi works better than
 using squeezelite but since I'm using Squeezebox, this is the
 alternative I'd like to pursue.
 
 Anyways - the following settings works best for me. I've added a short
 explanation of the setting atleast what I can understand of it. I could
 be very wrong.
 
 -a 160::16:1 : Sets buffer size to 160, force 16bit and uses memory
 mapped files (probably a good thing)
 -o hw:0,0 : I've seen that instead of using what picoreplayer suggests
 as output device, this seems to let squeezelite player talk more
 directly to the DAC. If I use what squeezelite identifies as my DAC,
 sysdefault:CARD=AudioAsynchr, I cannot play 176.4 files. To list these
 devices, I use aplay -l in the terminal, since hw:0,0 might be something
 else on your setup
 -r 192000 : this seems to be necessary for me to be able to play files
 with higher bitrates than 96000. It just tells squeezelite what the max
 rate is.
 
 Thus, if you'd want to use these setting you would
 
 Login to you Raspberry pi
 type picoreplayer and then hit enter
 choose option 5 (I'm using version 1.05 so this might be something
 different for you)
 type -a 160::16:1 -o hw:0,0 -r 192000 then hit enter
 choose option 6 to restart squeezelite
 
 With a little luck, you now hear music. If not, or if you do, test a few
 other settings and see what works best for you.
 
 Good luck!



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