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Lueddich
PostPosted: Sun Jul 20, 2008 7:06 am 
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Joined: Mon Nov 28, 2005 6:25 am
Posts: 88
Location: Germany
Hi,

did an auto-upgrade from GF21 to R5.5 and now, there's no sound any more :(

I use the optical out and have had "ALSA:spdif" as the device in the setup, passtroughs are activated, but there's nothing coming out... :(

aplay -l

Code:
root@mythtv:/home# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: NVidia [HDA NVidia], device 0: ALC883 Analog [ALC883 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 1: ALC883 Digital [ALC883 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0


aplay -L

Code:
root@mythtv:/home# aplay -L
front:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    Front speakers
surround40:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Digital
    IEC958 (S/PDIF) Digital Audio Output
null
    Discard all samples (playback) or generate zero samples (capture)


Every time, i start to play a recording or tv, i get those messages in mythfrontend.log:

Code:
2008-07-20 15:01:14.083 TV: Attempting to change from None to WatchingPreRecorded
2008-07-20 15:01:14.290 AFD: Opened codec 0x9d513b0, id(MPEG2VIDEO) type(Video)
2008-07-20 15:01:14.290 AFD: codec MP3 has 2 channels
2008-07-20 15:01:14.290 AFD: Opened codec 0x91e15a0, id(MP3) type(Audio)
2008-07-20 15:01:14.293 AFD: Opened codec 0x83c5520, id(MPEG2VIDEO) type(Video)
2008-07-20 15:01:14.294 Opening audio device 'spdif'. ch 6(2) sr 48000
2008-07-20 15:01:14.294 Opening ALSA audio device 'spdif'.
2008-07-20 15:01:14.295 AudioOutput Error: Channels count (6) not available: Invalid argument
2008-07-20 15:01:14.295 AudioOutput Error: Unable to set ALSA parameters
2008-07-20 15:01:14.297 NVP: Disabling Audio, reason is: Unable to set ALSA parameters


my setup

Code:
Audio output device: ALSA:spdif

Passthrough output device: Default

Max Audio Channels: 5.1   Upmix: Passive

x Enable AC3 to SPDIF passthrough   o Aggressive Sound card Buffering
x Enable DTS to SPDIF passthrough   o Use internal volume controls


Any idea?

Thanks!!

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Last edited by Lueddich on Fri Jul 25, 2008 6:06 am, edited 1 time in total.
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Lueddich
PostPosted: Fri Jul 25, 2008 6:06 am 
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Joined: Mon Nov 28, 2005 6:25 am
Posts: 88
Location: Germany
Quote:
laceration
February 3rd, 2008, 04:45 PM
I just built a new Ubuntu machine. The sound did not work. I searched these forums, the solutions gave me a headache. Isn't Ubuntu supposed to be easy to configure? I tried the easiest solution first, from the posts from aktiwers, and it really was simple. It took only 3 steps! The hard part was getting through all the verbiage.
Here's how I did it( I'm repeating info from aktiwers, only to make it clearer and simpler and in 1 place):

What I didn't do: I did not download or recompile the latest ALSA. Why bother? It turns out I didn't need to do that, why hassle with it if you don't have to.

Step 1: Applications->Accessories->Terminal. At the prompt paste in:
cat /proc/asound/card0/codec#* | grep Codec
it'll return something like, Codec: Realtek ALC888

Step 2: Go to http://www.mjmwired.net/kernel/Document ... ration.txt
Find your Codec. There is a list of model name and descriptions for each Codec starting on line number785. Copy the model name you've got. For me it was 6stack-dig.

Step 3: Again at the terminal type sudo gedit /etc/modprobe.d/alsa-base
Provide pw when prompted. Add at the end of file: options snd-hda-intel model=6stack-dig
Of course with your model in place of 6stack-dig. Save the file. That's it!

Now I even have digital sound coming through the spdif:guitar:


I found this on http://ubuntuforums.org/archive/index.php/t-658902.html and it looks like this could help... I'll try it and report...

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Lueddich
 Post subject:
PostPosted: Mon Jul 28, 2008 8:05 am 
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Joined: Mon Nov 28, 2005 6:25 am
Posts: 88
Location: Germany
ok, that didn't help... :(

is there anybody out there with an idea?? ;)

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mihanson
 Post subject:
PostPosted: Mon Jul 28, 2008 1:50 pm 
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Joined: Sun Sep 25, 2005 3:50 pm
Posts: 1013
Location: Los Angeles
Did you try changing the Passthrough Output Device?

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Lueddich
 Post subject:
PostPosted: Mon Jul 28, 2008 2:40 pm 
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Joined: Mon Nov 28, 2005 6:25 am
Posts: 88
Location: Germany
Yes, but I didn't try more than what the list gave to me... There is

Standard

and

ALSA:iec958:{ AES0 0x02 }

What can I try else?

Does my hardware profile help you?

http://smolt.mythvantage.com/client/show/pub_ca3c4b0e-d394-4a9d-8cd7-b371e88ab58e

Thanks for your answer ;)

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mihanson
 Post subject:
PostPosted: Mon Jul 28, 2008 3:14 pm 
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Joined: Sun Sep 25, 2005 3:50 pm
Posts: 1013
Location: Los Angeles
To get rid of all the "Unknown Devices" in your smolt, run (as root)
Code:
/usr/bin/update-pciids
and resubmit your smolt. ;)

For "Audio Output Device" you can try:
Code:
ALSA:hw:0,1

or
Code:
ALSA:plughw:0,1

or
Code:
ALSA:default


I do not have the same hardware as you, but my working config looks like this:

Code:
Audio output device: ALSA:spdif

Passthrough output device: ALSA:iec958:{ AES0 0x02 }

Max Audio Channels: Stereo   Upmix: ???

x Enable AC3 to SPDIF passthrough   o Aggressive Sound card Buffering
x Enable DTS to SPDIF passthrough   o Use internal volume controls


I forget what Upmix setting I have, but it is not Passive. You can try to fiddle with that too.
[EDIT] Going back and reading your OP, my guess is that you should change Max Audio Channels to "Stereo". Your log file was complaining about 6 channel (5.1) audio, so I'm guessing that could be the problem.[/EDIT}

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Lueddich
 Post subject:
PostPosted: Tue Jul 29, 2008 2:45 am 
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Joined: Mon Nov 28, 2005 6:25 am
Posts: 88
Location: Germany
allright, i updated the pciids and here's the new profile:

http://smolt.mythvantage.com/client/show/pub_c743e189-1b6f-4240-a980-797c3d2a5a17

i'll check the audio devices this evening, because i'm @ work now ;)

thanks again!

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Lueddich
 Post subject:
PostPosted: Wed Jul 30, 2008 12:34 am 
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Joined: Mon Nov 28, 2005 6:25 am
Posts: 88
Location: Germany
Those audio output devices didn't word, too... :( And I could not understand, why I should try Stereo instead of 5.1 => I use 5.1 with my receiver, i have a complete Dolby Digital 5.1 system attached. I tried stereo, but it didn't help...

I think, I'll try ALSA 1.0.17 the next days... Maybe there's a fault in ALSA itself...

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Lueddich
 Post subject:
PostPosted: Mon Aug 04, 2008 7:32 am 
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Joined: Mon Nov 28, 2005 6:25 am
Posts: 88
Location: Germany
Don't know what to say... Tried the stereo-thing again and it worked... ;) i hav all 6 channels through the passthrough...

thanks a lot!

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