Mon 21 Jul 22:43:21 CEST 2025
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js/dsp/dsp.jsi
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78
js/dsp/dsp.jsi
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object DSP;
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enum DSP = {
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// Channels
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LEFT,
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RIGHT,
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MIX,
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// Waveforms
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SINE,
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TRIANGLE,
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SAW,
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SQUARE,
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// Filters
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LOWPASS,
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HIGHPASS,
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BANDPASS,
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NOTCH,
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// Window functions
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BARTLETT,
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BARTLETTHANN,
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BLACKMAN,
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COSINE,
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GAUSS,
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HAMMING,
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HANN,
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LANCZOS,
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RECTANGULAR,
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TRIANGULAR,
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// Mean Filter
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ARITH,
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EXP,
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PEAK,
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// Loop modes
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OFF,
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FW,
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BW,
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FWBW,
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// Math
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TWO_PI
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}
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// Discrete Fourier Transform
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constructor function DFT(bufferSize:number, sampleRate?:number) -> dft;
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type dft = {
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forward: method (@signal,spectrum:boolean) -> []|{real:[],imag:[]}
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spectrum: []
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}
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// Fast Fourier Transform
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constructor function FFT(bufferSize:number, sampleRate?:number) -> fft;
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type fft = {
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forward: method (@signal,spectrum:boolean) -> []|{real:[],imag:[]}
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spectrum: {}
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}
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// Signal Generator
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constructor function Oscillator(waveform:DSP, frequency:number,
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amplitude:number, @bufferSize, @sampleRate?)
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-> oscillator;
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type oscillator = {
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generate: method,
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signal: []
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}
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// ...
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DSP.Features = function(signal:[]) -> {min:number,max:number,mean:number,deviation:number}
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DSP.Histogram = function(signal:[],intervals:number) -> []
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DSP.Normalize = function(signal:[]) -> []
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DSP.Reduce = function(signal:[],segments:number,filter:DSP) -> []
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DSP.Resample = function(signal:[],divider:number,filter:DSP) -> []
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