SXDE & audiohd (ICH7) - sound works but is scratchy

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SXDE & audiohd (ICH7) - sound works but is scratchy

Postby crontab » Wed Apr 30, 2008 10:07 pm

Hello All -

Would someone care to give some advice on how to troubleshoot my problem?

I have oss installed and the sounds works technically, but the quality is poor - sound is muffled and scratchy. When I adjust volume to higher levels, I lose sound altogether.

audiohd - (Intel 82801G (ICH7 Family) High Definition Audio Controller)
crontab
 
Posts: 3
Joined: Wed Apr 30, 2008 9:09 pm

Postby dev » Thu May 01, 2008 3:31 am

run ossinfo -v and post it here.


Run osstest and see which device yields the best audio - then do rm /dev/dsp and ln -s /dev/oss/haudio0/pcmXX /dev/dsp


regards
Dev Mazumdar
dev
 
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Joined: Fri Sep 12, 2003 6:08 am
Location: Culver City, CA

Postby crontab » Thu May 01, 2008 4:24 pm

Thanks Dev -

Here is the ossinfo -v:
Code: Select all
Version info: OSS 4.0 (b1015/200803241124) (0x00040003)
Platform: SunOS/i86pc 5.11 snv_79a (fish)

Number of audio devices:        3
Number of audio engines:        11
Number of mixer devices:        1


Device objects
0: sadasupport0 SADA compatibility layer
1: hdaudio0 Intel HD Audio interrupts=8809 (8809)
    HD Audio controller Intel HD Audio
    Vendor ID    0x808627d8
    Subvendor ID 0x1179ff10
     Codec  0: ALC861 (0x10ec0861/0x11791205)
     Codec  1: Unknown (0x11c13026)
2: osscore0 OSS common devices
3: ossusb0 USB audio/MIDI device
4: vmix0 OSS transparent virtual mixer


Mixer devices
0: High Definition Audio ALC861 (Mixer 0 of device object 1)
    Device file /dev/oss/hdaudio0/mix-1, Legacy device /dev/mixer0
    Priority: 10
    Caps:

Audio devices
HD Audio front                    /dev/oss/hdaudio0/pcm0  (device index 0)
    Legacy device /dev/dsp0
    Caps: TRIGGER
    Modes: OUTPUT
      Out engine  1: Available for use
HD Audio center/LFE               /dev/oss/hdaudio0/pcm1  (device index 1)
    Legacy device /dev/dsp1
    Caps: TRIGGER
    Modes: OUTPUT
      Out engine  1: Available for use
High Definition Audio rec         /dev/oss/hdaudio0/pcmin0  (device index 2)
    Legacy device /dev/dsp2
    Caps: TRIGGER
    Modes: INPUT 
      In engine   1: Available for use


And here is the osstest:
Code: Select all
bash-3.2$ osstest
Sound subsystem and version: OSS 4.0 (b1015/200803241124) (0x00040003)
Platform: SunOS/i86pc 5.11 snv_79a

*** Scanning sound adapter #-1 ***
/dev/oss/hdaudio0/pcm0 (audio engine 0): HD Audio front
- Performing audio playback test...
  <left> OK <right> OK <stereo> OK <measured>
/dev/oss/hdaudio0/pcm1 (audio engine 1): HD Audio center/LFE
- Performing audio playback test...
  <left> OK <right> OK <stereo> OK <measured>
/dev/oss/hdaudio0/pcmin0 (audio engine 2): High Definition Audio rec
- Skipping input only device

*** All tests completed OK ***



I only hear sound during the testing of pcm0.

Thanks for your help.
crontab
 
Posts: 3
Joined: Wed Apr 30, 2008 9:09 pm

Postby crontab » Thu May 01, 2008 8:37 pm

I was playing around with ossmix and changed:

codec1.jack.pink.mode <center> (currently center/LFE)

to

codec1.jack.pink.mode <center> (currently input)

Works like a charm now!
crontab
 
Posts: 3
Joined: Wed Apr 30, 2008 9:09 pm


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