[linux-audio-dev] Mixing signals
Alfons Adriaensen
fons.adriaensen at alcatel.be
Mon May 23 10:06:48 UTC 2005
On Mon, May 23, 2005 at 11:03:30AM +0200, Richard Spindler wrote:
> if (*p_A<0 && *p_B<0) {
> *p_output =(*p_A+1)*(*p_B+1)-1;
> } else {
> *p_output =2*(*p_A+*p_B+2)-(*p_A+1)*(*p_B+1)-3;
> }
What is this supposed to do, and why is it written as it is ?
The if part is : a + b + a * b
and the else is : a + b - a * b
Looks more like some hack to combine log probabilies or some such
than audio signals.
--
FA
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