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2014/10/15 ¤U¤È 10:13:51

iphone Programming Glossary: semitones

where to start with audio synthesis on iPhone

http://stackoverflow.com/questions/2067267/where-to-start-with-audio-synthesis-on-iphone

Aflat Gsharp Helper function calculates fundamental frequency for a given note float CalculateFrequencyFromNote SInt32 semiTones SInt32 octave 4 float CalculateFrequencyFromMIDINote SInt32 midiNoteNumber File BleepMachine.mm BleepMachine.mm WgHeroPrototype.. C#4 61 D4 62 D#4 63 E4 64 F4 65 F#4 66 G4 67 G#4 68 A4 69 A#4 70 B4 71 C5 72 float CalculateFrequencyFromNote SInt32 semiTones SInt32 octave semiTones 12 octave 4 float root 440.f float fn powf 2.f float semiTones 12.f root return fn float CalculateFrequencyFromMIDINote.. 64 F4 65 F#4 66 G4 67 G#4 68 A4 69 A#4 70 B4 71 C5 72 float CalculateFrequencyFromNote SInt32 semiTones SInt32 octave semiTones 12 octave 4 float root 440.f float fn powf 2.f float semiTones 12.f root return fn float CalculateFrequencyFromMIDINote..