atk-sc3/Classes (extension)
| Libraries > Ambisonic Toolkit > UGens > FOA > Transformer | UGens > Multichannel > Ambisonics
FoaFocus
Extension
ExtensionFirst Order Ambisonic (FOA) focus transformer
Description
Apply focus to a First Order Ambisonic signal (B-format) along an arbitrary axis.
Class Methods
.ar
Arguments:
| in |
The B-format signal, an array: [w, x, y, z] |
| angle |
The distortion angle, in radians. -pi/2 to pi/2 |
| theta |
Azimuth, in radians. |
| phi |
Elevation, in radians. |
| mul |
Output will be multiplied by this value. |
| add |
This value will be added to the output. |
Discussion:
Applies focus along the axis defined by theta and phi. See FoaFocusX.
NOTE: Corresponding matrix transformer: FoaXformerMatrix: *newFocus