[FFmpeg-user] Input 5.1 DTS, output 2.0 MP3: Atrocious Quality

Carl Eugen Hoyos cehoyos at ag.or.at
Sat May 16 12:27:07 CEST 2015

Andy Furniss <adf.lists <at> gmail.com> writes:

> IIRC this has come up before. The issue seems 
> to be that sometimes -ac 2 normalises and 
> sometimes it doesn't (depending on what codec 
> is used).
> You can see whether or not the matrix is 
> normalised with -loglevel debug.

I was under the impression that the output option 
"-ac 2" always normalizes the input.
Do you have an example command line that shows 
the opposite?

Carl Eugen

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