Michihiro Kobayakawa Mamoru Hoshi Kensuke Onishi A method for retrieving music data with different bit rates using MPEG-4 TwinVQ audio compression. 459-462 2005 conf/mm/2005 ACM Multimedia http://doi.acm.org/10.1145/1101149.1101251 db/conf/mm/mm2005.html#KobayakawaHO05