[mythtv-users] No audio in MythTV with BT878 card

Richard Shaw rshaw2 at midsouth.rr.com
Fri Mar 17 04:25:39 UTC 2006


Michael T. Dean wrote:

>On 03/15/2006 11:12 PM, Richard Shaw wrote:
>
>  
>
>>I have a card on loan for a while. I'm not sure what brand it is but 
>>it's got a Phillips label on it and a chip that says BT878. I got the 
>>card recognized in MythTV no problem and it seems to be tuning fine but 
>>I don't get any audio. Here's what I do know...
>>
>>I am not using the btaudio module. I don't even have it installed that I 
>>can tell. Stock FC4 install.
>>I have no entry for /dev/dsp
>> 
>>
>>    
>>
>
>If you don't have /dev/dsp* or /dev/sound/dsp* or ... (if find /dev 
>-name '*dsp*' gives nothing), make sure you load the ALSA OSS 
>compatibility modules with:
>
>/sbin/modprobe snd-mixer-oss
>/sbin/modprobe snd-pcm-oss
>
>(and, if your card has a sequencer)
>
>/sbin/modprobe snd-seq-oss
>
>To use the sound card to record (i.e. with the audio out from your card 
>looped through the sound card line in).  If you don't want to use that 
>cable, you'll have to load the appropriate audio driver for your card.  
>(IIRC, the OSS driver for bttv cards is deprecated, and the ALSA one is 
>more challenging to set up, but can be used if you get it working--with 
>the OSS compat modules mentioned above, though.)
>
>Mike
>_______________________________________________
>mythtv-users mailing list
>mythtv-users at mythtv.org
>http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>
>
>  
>
I found that modprobe snd-bt87x got me some sound, but it was garbled 
and looped indefinitely. Any suggestions to fix that?

Thanks
Richard



More information about the mythtv-users mailing list