* "Don Capps" <[EMAIL PROTECTED]> on Tue, 30 Jan 2001
| Timbre matching = special EQ settings used to correct for different speaker
| reproduction characteristics...
Which is functionally identical to special EQ settings used to achieve
certain types of simulated environments such as cathedral and auditorium.
"THX mode" is just another EQ preset.
| Decorrelation = uses out-of-phase information (in the rear surround
| channels) to give the illusion of a larger/broader rear soundstage
| (i.e. a "more open" sound)...only used when the rear channel information
| is a matrixed mono signal rather than discrete
Just a general FYI, a matrixed mono rear channel is a feature of Dolby
Surround and Dolby Pro Logic encoding. "Uses out-of-phase information" is
a fancy way of saying "uses front stereo channels". Decorreleation blends
sound from the front stereo channels back into the rear channel to give it
a larger sound field.
Dolby Digital and dts have discrete rear channels. Decorrelation is
unnecessary for DD and dts.
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