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* The method to be implemented is that from "Anssi's Constant-Q Toolbox page":http://www.eecs.qmul.ac.uk/~anssik/cqt/.

* The MATLAB toolbox reference implementation is "here":/projects/constant-q-toolbox.

* The "QM DSP":/projects/qm-dsp library contains a Constant-Q implementation and there is a Vamp plugin of it in the "QM Vamp Plugins":/projects/qm-vamp-plugins set. I believe it is based on the method of Brown and Puckette. Our version isn't very good.

*Any pointers to* Pointers to any other existing high-quality C++ constant-Q implementations?

*Has
Has anyone already made* made one corresponding directly to the Schörkhuber/Klapuri method?