[mythtv-users] Sound occasionally not present when I copy files away from mythtv

Ashley Bostock abostock at gmail.com
Thu Jul 31 07:11:05 UTC 2008


2008/7/31 Edmund <edmund.1 at dial.pipex.com>:
> Nick Morrott wrote:
>>
>> Some DVB-T transmissions (common on the BBC) contain 2 MP2 audio
>> tracks - one regular audio track, and a second used for the hard of
>> hearing. Perhaps the wrong one is being used/selected during playback
>> or conversion? If you demux the file(s) in question, you'll find the
>> 'good' track at 192kbps (usually) and the 'bad' track at 64kbps
>> (again, usually).
>>
> Thanks for this. Do you know of any utilities that are good at looking
> at what audio is present in the file?
>> mythfrontend is good at choosing the correct audio track to use, but
>> other software may not be.
>>
>> Nick
>>
>>
>
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I've seen the no sound problem on the windows side and just use Media
Player Classic...
http://sourceforge.net/project/showfiles.php?group_id=82303
...never had a problem since.

When converting some shows using nuvexport with mencoder I
occasionally get the no sound problem as well. In those situations I
just switch to using ffmpeg instead (resulting files are often quite a
bit bigger, but the sound is always there).

Ash


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