Re: [sc-users] how to do mid-side processing ?

[paul <paul@xxxxxxxxxxxxxxxxxxxx>]

Hi,

You can use addition and subtraction. This formula gives Mid & Side signals:

	Mid = Left + Right
	Side = Left - Right

To convert back use:

	Left = Mid + Side;
	Right = Mid - Side;

This article explains it:   http://www.soundonsound.com/sos/nov10/articles/stereoprocessing.htm.
If you want to reduce the amplitude like the article says, just multiply by (-3.dbamp) - i.e. Mid = (Left + Right) * (-3.dbamp)

Best,
Paul


On 29 Dec 2014, at 17:36, Monsieur <grirgz@xxxxxxxxx> wrote:

> Hi,
> 
> Says I have a stereo signal in a synthdef, is there an UGen to convert
> it to a two channel signal corresponding to the side and the middle
> (of stereo field) ?
> 
> Thanks
> 
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