toolbox which campute a constant-Q transform cqt for the music processing.

CQT指的时频表示 垃圾箱是几何间隔频率在哪里 和Q-factors(中心频率带宽的比例) 所有的箱子都是平等的。-CQT refers to a time-frequency representation where the frequency bins are geometrically spaced and the Q-factors (ratios of the center frequencies to bandwidths) of all bins are e

音符分割cqt算法的相关matlab实现，2011年更新版(Note segmentation CQT algorithm related matlab implementation, 2011 update)