numkit-doxy/melspec__delta_8hpp_source.html

// toolboxes/audio/include/nk/audio/spectral/melspec_delta.hpp

//

// Audio Cycle C: melSpectrogram + audioDelta.


#pragma once


#include <memory_resource>

#include <nk/value/value.hpp>

#include <tuple>


namespace nk::audio {


std::tuple<Value, Value, Value>

melSpectrogram(const Value &                x,

               double                       fs,

               int                          numBands = 32,

               std::pmr::memory_resource *  mr       = nullptr);


Value audioDelta(const Value &                x,

                 int                          windowLength = 9,

                 std::pmr::memory_resource *  mr           = nullptr);


} // namespace nk::audio

nk::Value
Core MATLAB-compatible multidimensional array and scalar value type.
Definition value.hpp:61

nk::audio::melSpectrogram
std::tuple< Value, Value, Value > melSpectrogram(const Value &x, double fs, int numBands=32, std::pmr::memory_resource *mr=nullptr)
Mel-band power spectrogram.

nk::audio::audioDelta
Value audioDelta(const Value &x, int windowLength=9, std::pmr::memory_resource *mr=nullptr)
Locally-smoothed first derivative along the time axis.