[Flac-dev] nice idea

[Josh Coalson]

--- "Marco \"elcabesa\" Belli" <elcabesa at inwind.it> wrote:
> 
> some times ago i was playing with coding, shannon theoremes and other
> stuff,
>  i have tried without  success to compress audio wave, and i have
> notice that
>  simply oversampling audio material enacnhe a lot compression ratio
> 
> i only take awav file,  oversampled it by 20 tiimes and then
> compressi it
> using pkzip or rar.
> i don0't remember if i also do a CONSTANT PREDICTION,
> iony know that pkzip and rar nicely work when they have to compress a
> file
> that has few symbols
> pkzip fail compressing chinese, or wave file
>  but work with english text couse it has only 20  symbols=)
> a wav file has 2^16 simbols.. but if you oversampled it and then make
> a
> CONSTANT PREDICTION you can reduce the nunber of truly used symbols
> to a
> lower number.

I don't totally follow... what do you mean by 'oversample'
and 'constant prediction'?

Josh



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