Tempogram toolbox: Matlab implementations for tempo and pulse analysis of music recordings

Abstract

The extraction of local tempo and pulse information from audio recordings constitutes a challenging task, in particular for music with significant tempo variations. Furthermore, the existence of various pulse levels such as measure, tactus, and tatum often makes the determination of absolute tempo problematic. In this demo, we present the tempogram toolbox, which contains MATLAB implementations for extracting various types of recently proposed tempo and pulse-related audio representations. These representations are particularly designed to reveal useful information even for music with weak note onset information and changing tempo. The toolbox is provided under a GNU-GPL license.