ref: e136c9f688671d2a688b39e4dce2590b09c84c91
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()