[mythtv-users] 5.1 audio?

[Josh]

Jack Madison wrote:
> Let me try this the easy way:
>
> What should I do to rip/transcode DVDs such that they have 5.1 audio?
>
> How can I verify that the files created when I rip/transcode DVDs have
> 5.1 audio?
>
> On Mon, 2007-02-19 at 13:16 -0700, Jack Madison wrote:
>   
>> Rip/Transcode settings:
>> Quality: Good
>> Audio Track: en ac3 6Ch
>> AC3 Audio: box is checked
>>
>> tcprobe output:
>> [tcprobe] RIFF data, AVI video
>> [avilib] V: 23.976 fps, codec=XVID, frames=183644, width=704, height=480
>> [avilib] A: 48000 Hz, format=0x2000, bits=16, channels=2, bitrate=448
>> kbps,
>> [avilib]    183644 chunks, 428992256 bytes, CBR
>> [tcprobe] summary for "various movies, I tried a few", (*) = not
>> default, 0 = not detected
>> import frame size: -g 704x480 [720x576] (*)
>>        frame rate: -f 23.976 [25.000] frc=1 (*)
>>       audio track: -a 0 [0] -e 48000,16,2 [48000,16,2] -n 0x2000
>> [0x2000] 
>>                    bitrate=448 kbps
>>            length: 183644 frames, frame_time=41 msec,
>> duration=2:07:39.485
>>
>> It looks like it's only 2 channel, not 6 as I expected.  Am I ending up
>> with 5.1 audio in the file, but can only play 2 channel on my computer
>> or is it really only 2 channels in the end file?  If only 2 channels,
>> what do I need to do to get 5.1?  I don't yet have myth connected to a
>> 5.1 sound system so I can't give it the old listen test.
>>
>> I'm sorry if this is a FAQ.  I did look at the myth.org website
>> including the FAQ and knowlegebase as well as trying a google search,
>> but searching for "mythdvd audio channel" returns eleventy-billion
>> unrelated hits.
>>
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>>     
>
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>   
First, read the DVD box... if it says it has 5.1 then when you check the 
AC3 box in MythDVD it will have the 5.1 stream... I have ripped my 
entire 200+ collection (minus the stack of 5 - 10 that doesn't want to 
be ripped) and each and every rip with AC3 has the stream... if you 
"check" it, it's there. You can search the users archive for a couple of 
long posts I have on the 5.1 stuff and I also had a couple of threads on 
the Alsa user list too... neither thread was "hot" per se, but they may 
contain some good testing information for you.

-- 
Josh