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No sound from HD 5500 card
PostPosted: Tue May 01, 2012 3:10 pm Reply with quote
jreese
 
Joined: 26 Apr 2012
Posts: 1




I want to receive an analog signal. I have installed Mythdora 10.21 and it detected my pcHDTV HD5500 tuner/capture card right away and I have an excellent analog TV image. But I have no sound...

The HD5500 is connected correctly - a universal connecter with a blue jack, connecting to the 'blue' line-in jack port on the sound card. I can play WAV files over ALSA just fine. But there is no TV audio.

On the front end I go to MythTV->Utilities/Setup->Setup->General and there I have configured:
Audio output device: ALSA:Default
Passthrough output device: Default
Mixer audio device: ALSA:Default
Mixer controls: Master

On the back end I have:
Capture Card:
Analog V4L capture card
pcHDTV HD5500
Audio device: /dev/dsp2 #I have checked this with alsa-info and this is the correct device associated with my HD5500 card. /dev/dsp is my sound card and /dev/dsp2 is my tuner card.
Audio sampling rate limit: 48000

I have also tested with a number of mplayer settings. Same result - no sound, buzzing white noise. Mplayer error output indicates 'Audio: No sound'. Whatever the tuner card is hearing is NOT getting to the onboard sound card, either through the direct cable connection or through DMA. However, I do get a remarkably clear picture.

For example, my mplayer run commands have been like:

mplayer -v tv://3 driver=v4l2:device=/dev/video0:input=1:width=640:height=480:quality=90:alsa:adevice=hw.0,0:amode=1:audiorate=48000:forceaudio:volume=100:immediatemode=0

I have tried several variations of the alsa device number, trying cards 0, 1, and 2, and secondary devices 0, 1, 2, but no audio output. Great pictures, though.

Can anybody help? I'm running out of ideas here.

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JR
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No sound from HD 5500 card
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