Re: [MP3 ENCODER] --cwlimit option

[Mark Taylor]

> 
> What really does the cwlimit option do/change? That is one thing I am
> clueless on.
> 
> --

LAME uses a formula (from the ISO docs) to estimate the tonality
of each frequency band.  It computes this up to 
N khz, where N is specified by "--cwlimit N"  (default=9khz).
Above 9khz, a default tonality value is used.

The tonality is used for the spreading function.  The more noiselike
a signal, the more masking it generates.


Mark
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