librosa.core.midi_to_hz¶

librosa.core.midi_to_hz(notes)[source]¶

Get the frequency (Hz) of MIDI note(s)

Parameters:	notes : int or np.ndarray [shape=(n,), dtype=int] midi number(s) of the note(s)
Returns:	frequency : number or np.ndarray [shape=(n,), dtype=float] frequency (frequencies) of notes in Hz

See also

hz_to_midi, note_to_hz

Examples

>>> librosa.midi_to_hz(36)
65.406

>>> librosa.midi_to_hz(np.arange(36, 48))
array([  65.406,   69.296,   73.416,   77.782,   82.407,
         87.307,   92.499,   97.999,  103.826,  110.   ,
        116.541,  123.471])