[PD] Crossfade model

[Marc Lavallée]

The B method is better, with the appropriate crossover point (-3db or
-6db) and the curve (linear, logarithmic, sinusoidal or cosinusoidal)
--
Marc

Le mar 28/01/2003 à 19:22, Jordan J a écrit :
> Hello,
> 
>     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.
> 
> or 
> 
> 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:
> http://defaced.net/buck/misc/xfade.jpg
> 
> Hopefully someone will know which is correct.  Thanks for any help you can contribute.
> 
> -Jordan
> 
>