pitch.hpp File Reference

Semitone-to-frequency-ratio conversion. More...

Detailed Description

Semitone-to-frequency-ratio conversion.

Definition in file pitch.hpp.

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

Go to the source code of this file.

Namespaces
namespace	sbl
	Root namespace for all Sound Byte Libs code.
namespace	sbl::dsp
namespace	sbl::dsp::math
	Cross-cutting math used at every audio layer.

Functions
float	sbl::dsp::math::semitones_to_ratio (float semitones)
float	sbl::dsp::math::semitones_to_ratio_safe (float semitones)
float	sbl::dsp::math::note_to_ratio (float midi_note)
float	sbl::dsp::math::note_to_frequency (float midi_note)
	MIDI note to frequency in Hz. A4 = 440 Hz.
uint32_t	sbl::dsp::math::note_to_phase_increment (float midi_note, float sample_rate)
constexpr float	sbl::dsp::math::note_of_su (float su)
constexpr float	sbl::dsp::math::su_of_note (float note)

Variables
constexpr float	sbl::dsp::math::PITCH_SU_MIN_NOTE = 24.0f
constexpr float	sbl::dsp::math::PITCH_SU_MAX_NOTE = 120.0f
constexpr float	sbl::dsp::math::PITCH_SU_NOTE_RANGE = PITCH_SU_MAX_NOTE - PITCH_SU_MIN_NOTE