ref: 27fdf814d98dd5703865b3913387678d8c6b9b8d
dir: /python/demos/demo_miditofreq.py/
#! /usr/bin/env python from aubio import miditofreq from numpy import arange upsampling = 100. midi = arange(-10, 148 * upsampling) midi /= upsampling freq = miditofreq(midi) from matplotlib import pyplot as plt ax = plt.axes() ax.semilogy(midi, freq, '.') ax.set_xlabel('midi note') ax.set_ylabel('frequency (Hz)') plt.show()