linuxaudio.org

On Fri, 2010-11-12 at 07:08 -0800, Eric Kampman wrote:

quoted text
> Thanks. I don't understand the square root though. The equation is

> even more expensive processor-wise than the straight cos.

>

>

> Granted, you're quoting someone else, but maybe someone out there

> knows.

Yes, I don't have the knowledge myself, but for Qtractor this does a

good job. Don't trust my shot in the dark: Alternating voltage is

switching between 0 and it's max., hence it's higher, but the nominal

voltage by the factor of 1.41, perhaps it has to do with this issue.
>

quoted text
> On Nov 11, 2010, at 9:40 PM, Ralf Mardorf wrote:

> >

> > In January Rui at Qtractor devel-list wrote:

> >

> > stereo panning in qtractor follows an "approximated equal-power"

> > trigonometric formula: L = SQRT2 * cos(pan * PI/2); R = SQRT2 *

> > sin(pan

> > * PI/2), where pan value ranges from 0 (full-left) to 1

> > (full-right).

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