[PD] Equal-power crossfade?
Frank Barknecht
fbar at footils.org
Mon Feb 6 17:57:50 CET 2012
On Mon, Feb 06, 2012 at 02:42:01PM +0100, Frank Barknecht wrote:
> Hi,
>
> On Mon, Feb 06, 2012 at 02:22:34PM +0100, Pierre Massat wrote:
> > I need a simple equal-power crossfade between two signals. I asked the same
> > question a few years ago, but i just can't remember how to do it...
>
> This is used in rj's e_pan.pd:
>
> left = cos(p) * signal
> right = sin(p) * signal
>
> where p is in radians from 0 to PI/2 (i.e. multiply your 0...1 panning by 1.5708...)
Oh, well, actually you were looking for crossfade, not panning. It's basically
the same idea, though. In the rj library you could use [c_cpxfade]. The
helpfile for this compares it with the linear [c_xfade] which has the "hole in
the middle".
Ciao
--
Frank Barknecht Do You RjDj.me? _ ______footils.org__
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