[mythtv-users] PVR150 audio problems

Jon jon at sd-6.org
Sun Mar 25 20:27:47 UTC 2007

Jason Portwood wrote:
> Steven Adeff wrote:
>> On 3/21/07, Jason Portwood <jason at wkrp.com> wrote:
>>> I'm having a problem with my PVR150 either watching live tive or recorded
>>> programs.
>>> The center speaker is loud and the left/right speakers are low - just
>>> muffled.
>> sounds like your using Dolby Pro Logic and it sounds like your PVR150
>> recordings could be recording in mono.
> That was it almost.  It does record in stereo and I had the receiver in 
> a multi channel mode.  I switched the receiver to 2ch and the left / 
> right speakers played normally.
> Is there any way, like with transcoding, to have convert  the recorded 
> video run to all audio channels?

I think you make alsa do this on playback. Something like this might
work (untested)

pcm.!default {
	type plug
	slave.rate 48000
	slave.channels 6
	route_policy duplicate
If your sub does not have a lowpass filter you can use a more elaborate
setup and use http://alsa.opensrc.org/Ladspa_%28plugin%29.

> Thanks!
> Jason
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