[mythtv-users] AC3 software decoding too quiet

[Dan Smith]

On Wed, Oct 27, 2010 at 8:16 PM, Adam Jimerson <vendion at gmail.com> wrote:
> Jean-Yves Avenard wrote:
>> Hi
>>
>> On 28 October 2010 13:41, Dan Smith <mrplowdan at gmail.com> wrote:
>>> subject says it all, running mythbuntu 10.10 with the mythbuntu-repos
>>> set to 0.24-fixes (currently 27005) audio device set to
>>> ALSA:default:CARD=VT82xx outputting to stereo to my tv. Only videos
>>> encoded in ac3 seem to suffer the volume problem, fooling around with
>>> all the settings including the advanced audio config didn't seem to
>>> make a difference. Is there something I am missing, the volume worked
>>> fine in 0.23.1 and mythbuntu 10.04.
>>
>> I wonder if this is an issue introduced by the last ffmpeg re-sync...
>>
>> Are the videos played multi-channels like 5.1 ?
>> or it does so with stereo AC3 too ?
>
> I have the same issue with 0.23-fixes running on Arch Linux, both with
> DVDs and videos that use AC3.  For me it seems that the problem is
> happens with both 5.1 and stereo (audio upmixing turned off)
>
>
>
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>

Its a problem with AC3 2.0 and 5.1. It looks like a fix is being
backported to 0.24-fixes, I'll see if it helps once its committed.