dsp

func AmplitudeMulti ¶

func AmplitudeMulti(spectrum []complex128) float64

Calculate the sum of amplitudes for all elements in the spectrum.

func AmplitudeSingle ¶

func AmplitudeSingle(fft complex128) float64

Return the amplitude of a single element in the FFT spectrum.

func ApplyWeightFilter ¶

func ApplyWeightFilter(fftSignal []complex128, sampleRate float64)

ApplyWeightFilter применяет весовой фильтр к сигналу FFT

func FrequencyRangeIndexes ¶

func FrequencyRangeIndexes(fft []complex128, sampleRate ears.SampleRate, fromHz, toHz uint16) (int, int)