[Ffmpeg-devel] [PATCH] avctx->frame_size/channels/sample_rate fix for AMR

Benjamin Larsson banan
Thu Sep 14 17:32:56 CEST 2006


Uoti Urpala skrev:
> On Thu, 2006-09-14 at 17:10 +0200, Benjamin Larsson wrote:
>   
>> Well amr is a speech codec tuned at 8000 Hz, I don't think there is any 
>> encoder that produces amr streams at other samplerates. What I do think 
>>     
>
> You don't need to tell an encoder what the real natural frequency of its
> input bitstream is. If the codec assumes 8000 Hz the result might not
> preserve the same frequency characteristics at other input frequencies,
> but for nearby values the result shouldn't be too far off.
>   
Truely perverted but you are right.

MvH
Benjamin Larsson




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