[Flac] flac -- exhaustive model search vs. -A <*>?

[Martin Leese]

Linda Walsh <flac at tlinx.org> wrote:
...
>     That brings up another question then... What is 'hi' (v. low?)...

Zero, or close to zero, is low.  12 is high.

...
> What's a subset stream?

This is explained at:
http://flac.sourceforge.net/format.html

in the bulleted point beginning, "FLAC
specifies a subset of itself as the Subset
format."

...
> Another "nit" I noticed, from
> http://flac.sourceforge.net/documentation_format_overview.html
> in the inter-channel-decorrelation section -- it mentions -m vs.
> -M, where -m always uses mid+side channel whether it is bigger or not,
> while -M adaptively uses mid+side or stereo depending on which is better.
>
> Why would flac levels 7 and 8 use -m (always when -M allows adaptive
> encoding
> based on which is better?

Despite the title of -M, -m the one that is
exhaustive.  This is stated at:
http://flac.sourceforge.net/documentation_tools_flac.html#flac_options_adaptive_mid_side

Regards,
Martin
-- 
Martin J Leese
E-mail: martin.leese  stanfordalumni.org
Web: http://members.tripod.com/martin_leese/