A MATLAB reference implementation of a computationally efficient method for computing the constant-Q transform (CQT) of a time-domain signal.

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Related publications

C. Schörkhuber and A. Klapuri, “Constant-Q transform toolbox for music processing,” in Proceedings of the 7th Sound and Music Computing Conference, Barcelona, Spain, 2010.
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Manager: Anssi Klapuri, Chris Cannam