final case class Goertzel(rate: Rate, in: GE, length: GE = 1024, freq: GE, hop: GE = 1.0f) extends MultiOut with Product with Serializable
A UGen implementing the Goertzel algorithm which is a way to calculate the magnitude and phase of a signal's content at a single specified frequency. It is the equivalent of running an FFT, and then only looking at the output corresponding to a single bin. If one is only interested in a small number of bins, then it is more efficient; if one is interested in the majority of bins, one typically wants to do an FFT instead.
This is a third-party UGen (MCLDUGens).
- length
used in the same way as an FFT buffer size: The larger this value, the better the frequency resolution, but the worse the time resolution.
- freq
target frequency in Hertz. (init-time only)
- hop
same meaning as in the FFT UGen. Supply a value between zero and one, for the amount of overlap between Goertzel "frames". The default is a hop of 1 (meaning no overlap between frames). If you specify 0.5, then the analysis value will be produced twice as often; 0.25, four times as often. (init-time only)
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- new Goertzel(rate: Rate, in: GE, length: GE = 1024, freq: GE, hop: GE = 1.0f)
- length
used in the same way as an FFT buffer size: The larger this value, the better the frequency resolution, but the worse the time resolution.
- freq
target frequency in Hertz. (init-time only)
- hop
same meaning as in the FFT UGen. Supply a value between zero and one, for the amount of overlap between Goertzel "frames". The default is a hop of 1 (meaning no overlap between frames). If you specify 0.5, then the analysis value will be produced twice as often; 0.25, four times as often. (init-time only)
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- val freq: GE
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- val hop: GE
- def imag: GE
- val in: GE
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- val length: GE
- def makeUGen(_args: Vec[UGenIn]): UGenInLike
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- def makeUGens: UGenInLike
Abstract method which must be implemented by creating the actual
UGens during expansion. - final def name: String
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- def productElementNames: Iterator[String]
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- val rate: Rate
- def real: GE
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