[Ffmpeg-devel] AC3 audio decoding regression on SVN?

Justin Ruggles justinruggles
Wed Mar 7 04:01:55 CET 2007

Ismail D?nmez wrote:
> Hi all,
> Looks like AC3 audio decoding got regressed on SVN, with two different samples 
> I can hear small semi-frequent distortion.
> A sample is at http://cekirdek.pardus.org.tr/~loker/kdenlive/thescript.avi
> Regards.

The problem is the sample.  It's clipping due to the DRC.  If you
extract the raw AC-3 from the avi and play using a52dec, it has the
clipping distortion, but if you use "ac3dec -r" to disable DRC then it
plays without distortion.


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