[Note: this announcement is about closed-source software] Version 1.4 of the QM Vamp Plugins -- a set of audio analysis plugins in the Vamp plugin format, developed at the Centre for Digital Music at Queen Mary, University of London -- is now available for download. This release is a major update including new plugins and numerous bug fixes. Note onset detector, beat tracker, tempo estimator, key estimator, tonal change detector, structural segmenter, timbral and rhythmic similarity, chromagram, constant-Q spectrogram, and MFCC calculation plugins are included. For downloads, please see: http://www.elec.qmul.ac.uk/digitalmusic/downloads/index.html#qm-vamp-plugins The plugins are available in binary form only and may be freely used for any purpose, and redistributed for non-commercial purposes only. Supported platforms are 32- and 64-bit Linux, 32-bit Windows, and OS/X 10.4 or newer (Intel/PPC universal). For more information about Vamp plugins, please see http://www.vamp-plugins.org/ Chris