[PD] Crossfade model
odradek at videotron.ca
Wed Jan 29 02:26:19 CET 2003
The B method is better, with the appropriate crossover point (-3db or
-6db) and the curve (linear, logarithmic, sinusoidal or cosinusoidal)
Le mar 28/01/2003 à 19:22, Jordan J a écrit :
> Basically, I'm having a little internal argument with myself about the correct definition of a crossfade is. I have two ideas of a crossfade, but which is right?
> A) A slider that goes from -1..1. When the slider is at 0 both signals are at 1 (full volume). As you stray from zero in either direction, the corresponding input's (left - less than zero, or right - greater than zero) volume is reduced and the other input's volume stays at a maximum of 1.
> B) You have a slider that goes from 0..1. The output is equal to Input1 * slider + Input2 * (1-slider)
> This may sound confusing in writing, as I've written it quickly, but the corresponding diagram might help:
> Hopefully someone will know which is correct. Thanks for any help you can contribute.
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