[Libav-user] Audio quality loss while encoding

Brad O'Hearne brado at bighillsoftware.com
Thu Apr 25 20:10:15 CEST 2013


On Apr 25, 2013, at 10:16 AM, Paul B Mahol <onemda at gmail.com> wrote:

> On 4/25/13, Claudio Freire <klaussfreire at gmail.com> wrote:
>> On Thu, Apr 25, 2013 at 6:29 AM, Paul B Mahol <onemda at gmail.com> wrote:
>>> I listened the sample from mentioned github repo. And its evident that
>>> there are
>>> either holes (end of every? channel data is cut off) or extra noise
>>> after each channel is added.
>>> 
>>> Because this does not happen with any of ffmpeg libraries or tools I can
>>> conclude with 1000% confidence that bug is in your code.
>> 
>> 
>> It does happen to me with "ffmpeg" (the tool - no code of mine), when
>> encoding to AAC. And the symptom is very similar to that sample
>> output.
> 
> Plese open bug report, with exact step to reproduce bug.

Claudio, thanks for posting this. If you wouldn't mind posting the exact command you are using with the ffmpeg tool to create this problem, I'd love to reproduce this myself. 

Thanks, 

Brad


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