Automatic conversion of aac to m4a

[Richard Hughes]

>> 
>> 
>> ... But I DID manage to successfully convert the AAC audio from the raw .flv file to MP3 using ffmpeg, e.g.
>> 
>> ffmpeg -i downloaded_file.flv -vn -ab 64k output.mp3
> 
> This is transcoding, not remuxing.
> 
> Transcoding is lossy, remuxing is not.
> 
> I would imagine that the vast majority of players should be able to play AAC these days, if it's formatted correctly.
> 
> aB.
> 
> 

Yes, I know. But the same principle allows remuxing of the AAC audio from the .flv container direct to .m4a, without dependency on MP4Box or other tools. 

e.g.

ffmpeg -i downloaded_file.flv -vn -acodec copy output.m4a