Mercurial > hg > python-tutorial-ssw2012-output
changeset 9:d43d1adecea6
Sketch implementation of tempo estimator
| author | Chris Cannam |
|---|---|
| date | Mon, 08 Oct 2012 15:19:47 +0100 |
| parents | 99038dfea9e5 |
| children | 7fc62809da94 |
| files | tempo_estimator.py |
| diffstat | 1 files changed, 11 insertions(+), 1 deletions(-) [+] |
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--- a/tempo_estimator.py Mon Oct 08 15:12:37 2012 +0100 +++ b/tempo_estimator.py Mon Oct 08 15:19:47 2012 +0100 @@ -1,5 +1,15 @@ + +import audiofile as af + +def estimate_tempo_of_samples(samples, samplerate): + """Given some audio samples and their samplerate, return their estimated tempo in bpm.""" + df = detection_function(samples) + acf = autocorrelation(df) + tempo = find_tempo_from_autocorrelation(acf) + return tempo def estimate_tempo_of_file(filename): """Given the name of a WAV file, return the estimated tempo in bpm.""" - return 0 + (samples, samplerate) = af.read_all_mono_samples_from_file(filename) + return estimate_tempo_of_samples(samples, samplerate)