comparison modules-and-plug-ins/python-module/example.py @ 30:687b8dd41934 develop

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 <adamstark.uk@gmail.com>
date Tue, 28 Jan 2014 01:07:44 +0000
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children 2716b8d1b8ad
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29:bddd59087c36 30:687b8dd41934
1 # need scikits audiolab for reading audio files
2 from scikits.audiolab import wavread
3
4 # need to import btrack, our beat tracker
5 import btrack
6
7 # set the path to an audio file on your machine
8 audioFilePath = "/Users/adamstark/Documents/Audio/Databases/Hainsworth/audio/001.wav"
9
10 # read the audio file
11 audioData, fs, enc = wavread(audioFilePath) # extract audio from file
12
13 # convert to mono if need be
14 if (audioData[0].size == 2):
15 print "converting to mono"
16 data = np.average(data,axis=1)
17
18 # ==========================================
19 # Usage A: track beats from audio
20 beats = btrack.trackBeats(audioData)
21
22 # ==========================================
23 # Usage B: extract the onset detection function
24 onsetDF = btrack.calculateOnsetDF(audioData)
25
26 # ==========================================
27 # Usage C: track beats from the onset detection function (calculated in Usage B)
28 ODFbeats = btrack.trackBeatsFromOnsetDF(onsetDF)