Re: AW: Mastering music

[andy butler <akbutler@tiscali.co.uk>]

>> separate sub channels. Each sub channel is then armored with 
>> a low cut and high cut filters to enable only a certain 
> 
> these eqs have quite a frequency-dependant effect on the signal's phase, 
>so
> you get a phase washup all the way. For that reason, Waves did the LinMB
> compressor which compensates for the eqs phase shifts.
> 
>       Rainer

Software multiband compressors use filters with linear phase response 
(always FIR type), so they don't have to compensate.

A similar strategy would work with home grown multibanding, though 
unfortunately most digital filters don't have linear phase (being IIR 
type).

andy butler