[FFmpeg-user] Help with Broken Audio Download Please.

Carl Eugen Hoyos cehoyos at ag.or.at
Wed Dec 30 17:28:01 CET 2015

Budge <ajebay <at> errichel.co.uk> writes:

> > I guess the following is what you want:
> > $ ffmpeg -skip_initial_bytes 0x670 -i CPEBach_Sample_File.aac 
> > -acodec copy out.m4a

> Please could you explain the -skip_initial_bytes 0x670.

That option skips the first 1648 bytes.

> Are you telling me to run the above command on my files 

Only if you want to test if it produces the kind of 
output files you want (I am not sure if I understood 
you correctly).

> and what was the problem with them?

As said, I don't really have a problem with the 
file you uploaded (and I am not sure you explained 
the issue you were having).
Above command skips the ID3 data in the beginning 
that may confuse some programs.

Carl Eugen

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