[FFmpeg-user] 24bit WAV files unreadable by Sound Forge 6
cus at passwd.hu
Sun Jun 19 23:47:44 EEST 2022
On Fri, 10 Jun 2022, Joe Dupré wrote:
> I have 48K/24bit stereo CAF files that I need to convert to 48K/24bit WAV
> "ffmpeg -i infile.caf outfile.wav" produces a 48K/16bit WAV file that I can
> open with Sound Forge 6.0.
> "ffmpeg -i infile.caf -c pcm_s24le outfile.wav" produces a 48K/24bit WAV file
> that I CANNOT open with Sound Forge 6.0.
> I tried a commercial software utility called "Switch" by NCH Software that
> can produce a 48K/24bit WAV file that IS readable by Sound Forge 6.0.
> I next compared the file header of the two WAVE files. Bytes 21-22 are
> supposed to hold the format type, which is supposed to be 1 for PCM. In the
> ffmpeg produced file, bytes 21-22 are "FF FF". In the Switch produced file
> they are "01 00".
> Why is ffmpeg using "FF FF" for format type? Is there some ffmpeg option
> that can specify a format type of 1?
Actually it supposed to be FE FF, are you sure are you seeing FF FF?
FE FF is WAVEFORMATEXTENSIBLE format which should be used for > 16bit
audio according to MSDN:
You can't tune this unfortunately.
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