pitch.hpp File Reference

#include <cstdint>
#include <sbl/dsp/tables/pitch_ratio_high_256.hpp>
#include <sbl/dsp/tables/pitch_ratio_low_256.hpp>

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Namespaces
namespace	sbl
	Root namespace for all Sound Byte Libs functionality.
namespace	sbl::dsp
	DSP atoms for audio signal processing.

Functions
float	sbl::dsp::semitones_to_ratio (float semitones)
float	sbl::dsp::semitones_to_ratio_safe (float semitones)
float	sbl::dsp::note_to_ratio (float midi_note)
float	sbl::dsp::note_to_frequency (float midi_note)
	MIDI note to frequency in Hz. A4 = 440 Hz.
uint32_t	sbl::dsp::note_to_phase_increment (float midi_note, float sample_rate)
float	sbl::dsp::exp2_approx (float x)
	Fast 2^x approximation via pitch tables. x in [-10.67, +10.58].
float	sbl::dsp::exp2_approx_safe (float x)
	Extended range 2^x.