@INPROCEEDINGS{PurBlaObe01, author = "Purwins, Hendrik and Blankertz, Benjamin and Obermayer, Klaus", title = "Constant {Q} Profiles for Tracking Modulations in Audio Data", booktitle = "International Computer Music Conference (Cuba)", year = "2001", pages = "407--410", pdf = "http://doc.ml.tu-berlin.de/bbci/publications/PurBlaObe01.pdf", postscript = "http://doc.ml.tu-berlin.de/bbci/publications/PurBlaObe01.ps.gz" }