[FFmpeg-user] Question Falcc for mathmatically lossless

Jim Shupert jshupert at theppsgroup.com
Fri Feb 9 16:06:03 EET 2018

I wish to know more about flac audio encoding in ffmpeg , i am just 

I see by the documentation :
FLAC (Free Lossless Audio Codec) Encoder

Sets the compression level, which chooses defaults for many other 
options if they are not set explicitly.
Valid values are from 0 to 12, 5 is the default.

My question is:  what should the compression level be for mathematically 

thank you

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