HoaRadius : Object
Extension
ExtensionDescription
Higher Order Ambisonic (HOA) radial utilities. Useful for finding ambisonic decoder effective radius, effective order and effective frequency.
Class Methods
HoaRadius.new(radius)
Create a new instance, in terms of distance.
Arguments:
| radius |
Radius, in meters. |
HoaRadius.newFreq(freq, order, speedOfSound)
Create a new instance, in terms of frequency.
Arguments:
| freq |
Frequency, in Hz. |
| order |
Ambisonic order. |
| speedOfSound |
Speed of sound, in meters per second. |
HoaRadius.newWn(wn, sampleRate, order, speedOfSound)
Create a new instance, in terms of normalized frequency.
Arguments:
| wn |
Normalized frequency. DC = 0.0, Nyquist = 1.0; |
| sampleRate |
Sample rate, in Hz. |
| order |
Ambisonic order. |
| speedOfSound |
Speed of sound, in meters per second. |
HoaRadius.newWaveNumber(waveNumber, order)
Create a new instance, in terms of spatial frequency.
Arguments:
| waveNumber |
Angular wavenumber, in radians per meter. |
| order |
Ambisonic order. |
HoaRadius.newDelay(delay, speedOfSound)
Create a new instance, in terms of time.
Arguments:
| delay |
Radial delay, in seconds. |
| speedOfSound |
Speed of sound, in meters per second. |
Inherited class methods
Instance Methods
Radius & delay
.radius
Return radius, in meters.
.delay(speedOfSound)
Return reference delay, in seconds.
Arguments:
| speedOfSound |
Speed of sound, in meters per second. |
Effective order
.orderAtFreq(freq, speedOfSound)
Return effective ambisonic order, given frequency.
Arguments:
| freq |
Frequency, in Hz. |
| speedOfSound |
Speed of sound, in meters per second. |
.orderAtWn(wn, sampleRate, speedOfSound)
Return effective ambisonic order, given normalized frequency.
Arguments:
| wn |
Normalized frequency. DC = 0.0, Nyquist = 1.0. |
| sampleRate |
Sample rate, in Hz. |
| speedOfSound |
Speed of sound, in meters per second. |
.orderAtWaveNumber(waveNumber)
Return effective ambisonic order, given spatial frequency.
Arguments:
| waveNumber |
Angular wavenumber, in radians per meter. |
Effective frequency
.freq(order, speedOfSound)
Return effective frequency.
Arguments:
| order |
Ambisonic order. |
| speedOfSound |
Speed of sound, in meters per second. |
.wn(sampleRate, order, speedOfSound)
Return effective normalized frequency.
Arguments:
| sampleRate |
Sample rate, in Hz. |
| order |
Ambisonic order. |
| speedOfSound |
Speed of sound, in meters per second. |
.waveNumber(order)
Inherited instance methods
Examples
Effective radius
Effective order
Effective frequency
link::Classes/HoaRadius::