......DE....FRGB................................................................JDIM360 (Ver 1.5 21 Nov 2005) - 1999001/01566796CORRECTED EUROPEAN PATENT APPLICATIONA9A320061213W10000000030deBibliographieenBibliographyfrBibliographieEP05250692.0200502082005122120060127enenen200404523720040220JP200404523820040220JP200612132006502005082420053420061213200650G10L 21/02 20000101AFI20050623BHEP G10L 11/04 20000101ALI20050623BHEP deVerfahren und Vorrichtung zur Separierung eines Klangquellensignals und Verfahren und Vorrichtung zur GrundfrequenzbestimmungenMethod and apparatus for separating a sound-source signal and method and device for detecting pitchfrProcédé et dispositif pour la séparation d'un signal de son d'une source et procédé et dispositif pour la détermination de la frequence fondamentale106076567.42006081406076568.220060814SONY CORPORATION00214022P022479EP7-35, Kitashinagawa 6-chome, Shinagawa-kuTokyoJPKondo, Tetsujiroc/o Sony Corporation, 7-35, Kitashinagawa 6-chomeShinagawa-ku, TokyoJPArimitsu, Akihikoc/o Sony Corporation, 7-35, Kitashinagawa 6-chomeShinagawa-ku, TokyoJPIchiki, Hiroshic/o Sony Corporation, 7-35, Kitashinagawa 6-chomeShinagawa-ku, TokyoJPShima, Junichic/o Sony Corporation, 7-35, Kitashinagawa 6-chomeShinagawa-ku, TokyoJPLeppard, Andrew John00135871D Young & Co 120 HolbornLondon EC1N 2DYGBDEFRGB20051026200543

A sound-source signal separating method including steps of enhancing a target sound-source signal in an input audio signal, the input audio signal being from a mixture of acoustic signals from a plurality of sound sources and picked up by a plurality of sound pickup devices, detecting a pitch of the target sound-source signal in the input audio signal, and separating the target sound-signal from the input audio signal based on the detected pitch and the sound-source signal enhanced in the sound-source signal enhancing step.