Music – Instruments – Electrical musical tone generation
Patent
1996-02-12
1998-01-27
Witkowski, Stanley J.
Music
Instruments
Electrical musical tone generation
84625, 84650, 84660, G10H 108, G10H 136
Patent
active
057124370
ABSTRACT:
In an audio signal processor, an input device inputs a polyphonic audio signal containing a plurality of melodic parts which constitute a music composition. A detecting device detects a particular one of the melodic parts contained in the input polyphonic audio signal. An extracting device extracts the detected melodic part from the input polyphonic audio signal. A harmony generating device shifts a pitch of the extracted melodic part to generate a harmony audio signal representative of an additional harmony part. An output device mixes the generated harmony audio signal to the input polyphonic audio signal so as to sound the music composition which contains the additional harmony part derived from the particular one of the melodic parts.
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Witkowski Stanley J.
Yamaha Corporation
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