Pioneer Dj Corporation

Takashi Matsumoto

Akira Hattori

Ichiro Sugai

The disclosed apparatus extracts particular instrument sounds included in music in real time during music reproduction. The audio processing sectionhas an attack decision sectionthat decides attack positions of the bass drum sounds in audio signals, a bass drum sounds decision sectionthat decides sound periods of the bass drum in the audio signals, and a bass drum sounds extraction sectionthat extracts bass drum sounds using a time varying type filter for the attack positions and an adaptive type filter for the sound periods.

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Ota, Japan

Takashi Matsumoto