[mythtv-users] Audio upmixing problems

[Michael T. Dean]

On 04/14/2008 08:30 AM, Miah Gregory wrote:
> I recently decided to use my soundcards ability to output some form of
> 5.1 analog audio, with the three 3.5mm stereo sockets on the sound card
> being connected to an appropriate analog input amplifier.
>
> I am running 0.21 from the debian feed on www.debian-multimedia.org.
>
> The settings for audio are as follows:
>
> Audio output device: ALSA:surround51:CARD=V8237,DEV=0
> Passthrough output device: Default
> Max Audio Channels: 5.1
> Upmix: Active Linear
> AC3 to SPDIF passthrough: disabled
> DTS to SPDIF passthrough: disabled
> Aggressive Sound card Buffering: disabled
> Use internal volume controls: enabled
> Mixer Device: ALSA:CARD=V8237
> Mixer Controls: Master
>
> These settings work perfectly for mythmusic, but when I try to play back
> a recording, there is no audio.
>   
...
> Follows is a log extract from the front end with -v audio set:
>   
...
> Opening audio device 'jack51'. ch 6(2) sr 48000
> Opening ALSA audio device 'jack51'.
>   

Seems to disagree with your stated configuration.  Are you sure you have
it set the way you think you do?

Mike