Compressed Domain Audio Fingerprinting TJ Tsai Gerald Friedland The Big Picture • There’s lots of multimedia data • We need tools to make sense of it Tools for multimedia Efficient, useful tools for audio search This talk Audio Search • What we can do: copy detection • Can we do it more efficiently? – An analogy – Working in compressed domain = don’t open box Comparison Audio Search • What we can do: copy detection • Can we do it more efficiently? – An analogy – Working in compressed domain = don’t open box – Yes, for many applications multimedia.icsi.berkeley.edu