FoaSpeakerMatrix:
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FoaSpeakerMatrix : Object
ExtensionExtension

First Order Ambisonic (FOA) diametric decoder speaker matrices
Source: FoaMatrix.sc

Description

Generates speaker matrices required by the Ambisonic Toolkit's first order diametric decoder, FoaDecoderMatrix: *newDiametric.1

NOTE: In normal circumstances, the user will not call FoaSpeakerMatrix directly.

Class Methods

FoaSpeakerMatrix.new(directions, k)

Arguments:

directions

An array of directions for half of the loudspeaker feeds for the desired decoder. Specify in radians.

Rank 1 arrays return pantophonic, while rank 2 arrays return periphonic. E.g.,

k

The k factor of the decoder. May be specified as a float: 0.5 to 1.0.

FoaSpeakerMatrix.newPositions(positions, k)

Arguments:

positions

An array of positions for half of the loudspeaker feeds for the desired decoder. Specify in cartesian coordinates.

k

The k factor of the decoder. May be specified as a float: 0.5 to 1.0.

Inherited class methods

Instance Methods

.dim

Answers the number of decoder dimensions: 2D or 3D.

.numChannels

Answers the number of loudspeaker feeds (output channels).

.positions

Answers the position of loudspeaker feeds, in cartesian coordinates.

.matrix

Answers the speaker matrix

.k

Answer k

Inherited instance methods

[1] - FoaSpeakerMatrix is Heller's speaker matrix helper used to generate matricies for diamatric decoding. See: See: E. Benjamin, R. Lee, and A. Heller, "Is My Decoder Ambisonic?," in Proceedings of the 125th Audio Engineering Society Convention, San Francisco, 2008.
helpfile source: /Library/Application Support/SuperCollider/downloaded-quarks/atk-sc3/HelpSource/Classes/FoaSpeakerMatrix.schelp
link::Classes/FoaSpeakerMatrix::