[mythtv-users] Mythexport choosing wrong audio stream

John Pilkington J.Pilk at tesco.net
Tue Dec 4 21:36:05 UTC 2012


On 04/12/12 20:24, Stephen Robertson wrote:
>> And I'm still not sure whether your problem is ongoing or an isolated transmission
>> error.
>>
>> Cheers,
>>
>> John
>>
>
> It looks, from bringing up the select audio track menu on the frontend
> that on all HD DVB-S2 channels that I get (BBC One HD, BBC HD, Channel
> 4 HD and ITV1 HD) the second audio track is the "normal" one (2.
> English AC3 2ch) and the one chosen automatically by the frontend.
> This is  Stream #0.7[0x157d](eng): Audio: ac3, 48000 Hz, stereo, s16,
> 192 kb/s
>
> The audio description track is  Stream #0.1[0x157e](NAR): Audio: mp2,
> 48000 Hz, stereo, s16, 256 kb/s the frontend describes that as (1.
> Unknown MP2 2ch)
>
> So I wonder if the approach is to figure out how to get avconv to
> default to the track with a defined language?
>
> Stephen

It looks as if I may have been mistaken here; in my experience a 256kb/s 
track would be the primary one, but now you find the 192 kb/s ac3 has 
precedence.  I'm surprised, but you have the evidence :-)

John





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