music.hz_to_midi

music.hz_to_midi(hertz_value)[source]

Converts a frequency in Hertz to a MIDI note number.

This function takes a frequency value in Hertz as input and returns the corresponding MIDI note number.

Parameters:
hertz_valuefloat

The frequency value in Hertz to be converted.

Returns:
numpy.float64

The MIDI note number corresponding to the input frequency value.

Parameters:

hertz_value (float)

Return type:

float64

Examples

>>> hz_to_midi(440)
69.0
>>> hz_to_midi(880)
81.0