annotate modules-and-plug-ins/python-module/example.py @ 67:ae3ec9b14092

Updated README, installation instructions for Python module and added an example.py file to explain how to use the Python module. Also regenerated documentation.
author Adam Stark <adamstark@users.noreply.github.com>
date Tue, 28 Jan 2014 01:07:44 +0000
parents
children 2716b8d1b8ad
rev   line source
adamstark@67 1 # need scikits audiolab for reading audio files
adamstark@67 2 from scikits.audiolab import wavread
adamstark@67 3
adamstark@67 4 # need to import btrack, our beat tracker
adamstark@67 5 import btrack
adamstark@67 6
adamstark@67 7 # set the path to an audio file on your machine
adamstark@67 8 audioFilePath = "/Users/adamstark/Documents/Audio/Databases/Hainsworth/audio/001.wav"
adamstark@67 9
adamstark@67 10 # read the audio file
adamstark@67 11 audioData, fs, enc = wavread(audioFilePath) # extract audio from file
adamstark@67 12
adamstark@67 13 # convert to mono if need be
adamstark@67 14 if (audioData[0].size == 2):
adamstark@67 15 print "converting to mono"
adamstark@67 16 data = np.average(data,axis=1)
adamstark@67 17
adamstark@67 18 # ==========================================
adamstark@67 19 # Usage A: track beats from audio
adamstark@67 20 beats = btrack.trackBeats(audioData)
adamstark@67 21
adamstark@67 22 # ==========================================
adamstark@67 23 # Usage B: extract the onset detection function
adamstark@67 24 onsetDF = btrack.calculateOnsetDF(audioData)
adamstark@67 25
adamstark@67 26 # ==========================================
adamstark@67 27 # Usage C: track beats from the onset detection function (calculated in Usage B)
adamstark@67 28 ODFbeats = btrack.trackBeatsFromOnsetDF(onsetDF)