Re: [LAD] panning thoughts | Linuxaudio.org

Re: [LAD] panning thoughts

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From: Eric Kampman <erickampman@...>

To: Jens M Andreasen <jens.andreasen@...>

Cc: <linux-audio-dev@...>

Subject: Re: [LAD] panning thoughts

Date: Friday, November 12, 2010 - 3:14 pm

On Nov 12, 2010, at 1:40 AM, Jens M Andreasen wrote:
>

quoted text> 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

quoted text> 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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Messages in current thread:

[LAD] panning thoughts, Eric Kampman, (Fri Nov 12, 4:22 am)

Re: [LAD] panning thoughts, Jens M Andreasen, (Fri Nov 12, 9:41 am)

Re: [LAD] panning thoughts, , (Fri Nov 12, 7:00 pm)

Re: [LAD] panning thoughts, Ralf Mardorf, (Sat Nov 13, 3:22 am)

Re: [LAD] panning thoughts, , (Sat Nov 13, 10:43 am)

Re: [LAD] panning thoughts, Eric Kampman, (Fri Nov 12, 3:14 pm)

Re: [LAD] panning thoughts, gene heskett, (Fri Nov 12, 4:47 pm)

Re: [LAD] panning thoughts, Arnold Krille, (Fri Nov 12, 10:46 pm)

Re: [LAD] panning thoughts, Folderol, (Sat Nov 13, 9:07 am)

Re: [LAD] panning thoughts, Paul Davis, (Sat Nov 13, 1:09 pm)

Re: [LAD] panning thoughts, Folderol, (Sat Nov 13, 2:57 pm)

Re: [LAD] panning thoughts, , (Sat Nov 13, 3:26 pm)

Re: [LAD] panning thoughts, Ralf Mardorf, (Sat Nov 13, 5:51 pm)

Re: [LAD] panning thoughts, Arnold Krille, (Sat Nov 13, 6:30 pm)

Re: [LAD] panning thoughts, Ralf Mardorf, (Sun Nov 14, 5:15 am)

Re: [LAD] panning thoughts, Arnold Krille, (Sun Nov 14, 3:04 pm)

Re: [LAD] panning thoughts, Folderol, (Sun Nov 14, 3:39 pm)

Re: [LAD] panning thoughts, Jens M Andreasen, (Sun Nov 14, 6:17 pm)

Re: [LAD] panning thoughts, , (Sun Nov 14, 11:37 am)

Re: [LAD] panning thoughts, Rui Nuno Capela, (Sun Nov 14, 11:17 am)

Re: [LAD] panning thoughts, Ralf Mardorf, (Sun Nov 14, 1:00 pm)

Re: [LAD] panning thoughts, Paul Davis, (Sun Nov 14, 11:27 am)

Re: [LAD] panning thoughts, Rui Nuno Capela, (Sun Nov 14, 4:02 pm)

Re: [LAD] panning thoughts, , (Sat Nov 13, 10:54 am)

Re: [LAD] panning thoughts, Ralf Mardorf, (Sat Nov 13, 1:18 pm)

Re: [LAD] panning thoughts, Philipp Überbacher, (Sat Nov 13, 5:07 pm)

Re: [LAD] panning thoughts, , (Sat Nov 13, 8:18 pm)

Re: [LAD] panning thoughts, James Morris, (Sat Nov 13, 8:25 pm)

Re: [LAD] panning thoughts, Philipp Überbacher, (Sat Nov 13, 10:44 pm)

Re: [LAD] panning thoughts, , (Sun Nov 14, 12:01 am)

Re: [LAD] panning thoughts, Remon Sijrier, (Mon Nov 22, 1:15 pm)

Re: [LAD] panning thoughts, , (Mon Nov 22, 2:36 pm)

Re: [LAD] panning thoughts, Remon Sijrier, (Mon Nov 22, 7:06 pm)

Re: [LAD] panning thoughts, Fons Adriaensen, (Mon Nov 22, 9:00 pm)

Re: [LAD] panning thoughts, David Olofson, (Sat Nov 13, 5:24 pm)

Re: [LAD] panning thoughts, Philipp Überbacher, (Sat Nov 13, 5:53 pm)

Re: [LAD] panning thoughts, , (Sat Nov 13, 3:04 pm)

Re: [LAD] panning thoughts, Ralf Mardorf, (Sat Nov 13, 5:30 pm)

Re: [LAD] panning thoughts, , (Fri Nov 12, 9:18 am)

Re: [LAD] panning thoughts, Eric Kampman, (Fri Nov 12, 3:11 pm)

Re: [LAD] panning thoughts, Ralf Mardorf, (Fri Nov 12, 5:40 am)

Re: [LAD] panning thoughts, Eric Kampman, (Fri Nov 12, 3:08 pm)

Re: [LAD] panning thoughts, Rui Nuno Capela, (Fri Nov 12, 3:44 pm)

Re: [LAD] panning thoughts, Ralf Mardorf, (Fri Nov 12, 4:20 pm)

Re: [LAD] panning thoughts, Ralf Mardorf, (Fri Nov 12, 3:32 pm)