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Audio Copy Results in Different Audio

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Grant McNair
Audio Copy Results in Different Audio
on Nov 6, 2019 at 12:11:12 am

I have a video file from a ProRes recorder (Odyssey 7Q+) and when I copy an audio stream to a new file, ffmpeg seems to be changing a the audio properties, including the codec. MediaInfo also says the original audio is signed, and the new audio is unsigned.

ffmpeg i Video1.mov -map 0:6 -c copy New video.mov
Original Audio (stream 0:6): pcm_s32be (lpcm / 0x6D63706C), 48000 Hz, 2 channels, s32, 3072 kb/s (default)

New Audio (stream 0:0): pcm_s32be (in32 / 0x32336E69), 48000 Hz, stereo, s32, 3072 kb/s (default)

Any help is appreciated!
Grant


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