Audacity Forum

That's Video Transport Stream (TS) and Video OBject (VOB) in English. You're getting all those metaphorical blank looks from us because FFMpeg totally supports decoding Video OBjects. We have no idea why it's not working for you. I know about one really unusual problem. Was the DVD recorded ...

... the drop-down list that appears (the file would be passed off to the next importer in the list after each one failed, until it got to the intended FFmpeg importer). You could open Help > Show Log... after failing to import the file to see if there is any information about the error. Gale

... and try to import a .VOB file I get a message: Audacity did not recognize the type of the file... Going to Edit - Preferences - Libraries shows FFmpeg Library Version F(52.64.2),C(52.72.2),U(5015.1) Audacity 2.0.5 running on Windows Vista Please Help! Thanks

... "Writing Application" it would tell you what version of libflac or other application wrote the file. Do you think you used "Custom FFmpeg export" instead of "FLAC files" to export the over 2 GB FLAC files from Audacity? It could be an explanation. Note: Do not download ...

I have not figured out the correct syntax to use for listing or setting - it just returns Unrecognized option 'sample_format' For me ffmpeg -sample_fmts shows name depth u8 8 s16 16 s32 32 flt 32 dbl 64 u8p 8 s16p 16 s32p 32 fltp 32 dblp 64 OK I was using FFmpeg 0.6. In FFmpeg 1.0 I get ...

Is -c:a the same as -acodec? For recent versions of FFmpeg, yes. I have not figured out the correct syntax to use for listing or setting - it just returns Unrecognized option 'sample_format' For me ffmpeg -sample_fmts shows name depth u8 8 s16 16 ...

" Use custom mix " instead of "Always mix all tracks down" Now with FFmpeg ffmpeg -i - -c:a dca -strict -2 -ar 48000 "%f" The final result is dts, 6 channels, 48KHz, 16 bits. Is -c:a the same as -acodec I am not an expert in this, I just ...

Hmm
Audacity is able to export 24 bit PCM without FFmpeg.
File > Export Audio > Other uncompressed files > Options > Signed 24 bit PCM

Hello again :roll: If the file is exported from Audacity as a .wav file with ffmpeg -i - -c:a pcm_s24le -ar 48000 -ac 6 "%f" The result is pcm, 6 channels, 48KHz, 24 bits. So all the original parameters are now kept (including bit depth). And it could ...

Doh
I needed to set Audacity ...

Preferences > Import/Export

"Use custom mix" instead of "Always mix all tracks down"

Now with FFmpeg
The final result is
dts, 6 channels, 48KHz, 16 bits.