[Flac-dev] Rice coding

Ameya Potadar ameyap at gmail.com
Wed Jan 2 23:43:01 PST 2008

yeah the chnage is not entered in the change log.. it helps in achieving
better compression for 24 bit files.. an i think it came in as a mistake cvs
merge in 1.2.1 encoder ..
neways i think Josh's( jcoalson ) reply on this thread is helpfull
my guess is u r not using 24 bit files thts why older decoder is able to
decode it.. an then again not all 24 bit files will make use of that
enhacement :)

On 1/3/08, Pyt <py.thoulon at gmail.com> wrote:
> Going in details through the FLAC format specification, I realize that
> there are 2 rice coding methods now supported for residual encoding. I
> thought I remembered in the 1.1.3 times that there was only 1 method (with
> 4-bit Rice parameter) [or was I drunk ? ;-)]. Going through the change log,
> I didn't find any reference to such an addition to the format.
> Now, the decoder implementation I'm working on only implements the
> 4-bit-parameter-method; I've been using it extensively, including on files
> encoded with the reference encoder v1.2.1, and never stumbled on that
> second method. Does the reference encoder implement that yet ?
> Thanks,
> Pyt.
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