BlumBox/Classes (extension)
| Libraries > Blumlein Box > Transforms | UGens > Multichannel > Panners
BlumRotate
Extension
ExtensionStereo rotation transform
Description
Rotation is a true stereo panning algorithm, accepting a stereo input and returning a stereo output. It is the stereo equivalent of the sine-cosine panning law. In the cartesian plane, rotation orients a stereo signal with respect to the x-axis (i.e. the listener's perspective) in radians.
BlumRotate is a wrapper for the inbuilt Rotate2.
Class Methods
.ar
.kr
Arguments:
| in |
The stereo input, an array: [L, R] |
| angle |
Rotation angle in radians between -pi/2, pi/2 |
Returns:
Stereo rotated signal, an array: [L, R]
Discussion:
BlumRotate's angle input is measured from the listener's perspective at zero radians. A rotation of -pi/2 will place an M-channel signal in the -S channel. Additionally, stereo rotation may be used as a basis for other stereo transforms.
Examples
Contrast full stereo rotation with BlumBalance.