#11524: g726(le) produces clicks in encoded audio
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Reporter: Lastique | Type: defect
Status: new | Priority: normal
Component: avcodec | Version: 7.1
Keywords: | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Summary of the bug:
The G726 and G726LE codecs sometimes produce audible clicks in encoded
audio. I have observed this when the encoder is configured to 16, 24 or 48
kbit/s bitrate, but the clicks appear at different places and it is
possible that all bit rates are affected.
How to reproduce:
{{{
% ffmpeg -i input.wav -acodec g726 -b:a 16000 g726-16-output.wav
% ffmpeg -i input.wav -acodec g726 -b:a 24000 g726-24-output.wav
}}}
I have attached the problematic input.wav, where there are no audible
clicks across the entire clip. I have also attached g726-16-output.wav,
produced with the above command line, where you can hear an audible click
on the 11th second of the clip. I have also attached g726-24-output.wav,
where the click can be heard on the 2nd second of the clip. Note that both
times the same input file was used.
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Ticket URL: <https://trac.ffmpeg.org/ticket/11524>
FFmpeg <https://ffmpeg.org>
FFmpeg issue tracker
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