Copying Audio

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Copying Audio

FFmpeg-users mailing list
I have a file with audio in the format pcm_s16be. When I try to copy this audio to another file using -c:a copy, it copies the audio but also transcodes it to AAC. If it's literally a copy, shouldn't the copy be pcm_s16be as well? How can I do this and wind up with a pcm copy of the original audio? I've tried -c:a pcm_s16be and it fails.
The complete command is:
"ffmpeg.exe","-y  -i short.mp4 -i short.mp4 -c:a pcm_s16be  married.mp4"
I am overwriting the audio on short.mp4 and it works well except for the transcoding to AAC.
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Re: Copying Audio

Carl Eugen Hoyos-2


> Am 27.12.2019 um 10:08 schrieb Chris via ffmpeg-user <[hidden email]>:
>
> I have a file with audio in the format pcm_s16be. When I try to copy this audio to another file using -c:a copy, it copies the audio but also transcodes it to AAC. If it's literally a copy, shouldn't the copy be pcm_s16be as well? How can I do this and wind up with a pcm copy of the original audio? I've tried -c:a pcm_s16be and it fails.
> The complete command is:
> "ffmpeg.exe","-y  -i short.mp4 -i short.mp4 -c:a pcm_s16be  married.mp4"
> I am overwriting the audio on short.mp4 and it works well except for the transcoding to AAC.

When asking for support here please provide the command line you tested together with the complete, uncut console output and please do not ask user questions on the development mailing list.

Carl Eugen
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