Subject: Re: [linux-audio-dev] Going mono to stereo in LADSPA?
From: Alexander Ehlert (ehlert_AT_gris.uni-tuebingen.de)
Date: Sat Feb 16 2002 - 22:02:42 EET
On Fri, 2002-02-15 at 13:19, Steve Harris wrote:
> Does sin and cos give a reasonable constant power function? It looks
> about right by eye, but I haven't tried listening to it.
In physics the intensity of a signal is give by its square, e.g. the
intensity of a sine is I=(sin(x))^2. As sin^2(x)+cos^2(x)=1 the total
power of the signal is conserved over both channels. In case you want to
split up the signal equally we have sin(PI/4)=cos(PI/4)=0.71,
(0.71)^2*2=1
Cheers, Alex
This archive was generated by hypermail 2b28 : Sat Feb 16 2002 - 22:11:48 EET