atk-sc3/Classes (extension)
| Libraries > Ambisonic Toolkit > UGens > HOA > Transformer | UGens > Multichannel > Ambisonics
HoaBeam
Extension
ExtensionHigher Order Ambisonic (HOA) beam transformer
Description
Beamform into a Higher Order Ambisonic signal (HOA), with near-field effect (NFE).
Class Methods
.ar
Arguments:
| in |
The input signal. |
| theta |
Azimuth, in radians. |
| phi |
Elevation, in radians. |
| radius |
Radius, in meters. |
| beamShape |
Keyword argument for beam shape. See discussion below. |
| order |
Ambisonic order. |
Discussion:
Three standard beam shapes are offered:
| keyword | beam shape | localisation vector | virtual microphone |
\basic | strict soundfield | maximum velocity rV | Hyper-cardioid |
\energy | energy optimised | maximum energy rE | Super-cardioid |
\controlled | controlled opposites | minimum diametric energy | Cardioid |