[LAD] panning thoughts
Eric Kampman
erickampman at me.com
Fri Nov 12 15:13:47 UTC 2010
On Nov 12, 2010, at 1:40 AM, Jens M Andreasen wrote:
>
> On Thu, 2010-11-11 at 20:22 -0800, Eric Kampman wrote:
>> Since power is proportional to signal squared, this means ..
>> .. L(t) = cos(t * pi / 2) and R(t) = cos((1 - t) * pi / 2)
>
> I think you misspelled one sin(), no?
>
No, turns out the 2nd equation is equivalent to sin(t * pi / 2) I think.
> It is a complex mul you really want - where L+R is the real and L-R is
> the imaginary. You can have the sin/cos pair very cheaply by using an
> LFO that works by rotating iself by some complex constant.
Great idea. Will use. Thanks.
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