Harmony chorus apparatus generating chorus sound derived from vo

Details Harmony chorus apparatus generating chorus sound derived from vo Harmony chorus apparatus generating chorus sound derived from vo

1996-01-31

1998-02-17

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

84634, 84650, 434307A, G10H 136

Patent

active

057193460

ABSTRACT:
A harmony chorus apparatus collects an original of a vocal sound performed after a main melody pattern of a song, and adds a chorus sound derived after a chorus melody pattern of the same song to the vocal sound. A memory stores a main melody data representative of the main melody pattern and a chorus melody data representative of the chorus melody pattern which is designed in harmony with the main melody pattern. A pitch difference calculator sequentially retrieves the main melody data and the chorus memory data from the memory in synchronization with progression of the song, and calculates a pitch difference between the main melody pattern and the chorus memory pattern according to the retrieved main melody data and chorus melody data. A chorus generator shifts a pitch of the collected vocal sound by the calculated pitch difference to generate the chorus sound in the form of a variation of the vocal sound. A mixing device mixes the generated variation of the vocal sound and the collected original of the vocal sound with each other to thereby create a harmony of the song.

REFERENCES:
patent: 5194682 (1993-03-01), Okamura et al.
patent: 5243123 (1993-09-01), Chaya
patent: 5296643 (1994-03-01), Kuo et al.
patent: 5428708 (1995-06-01), Gibson et al.
patent: 5477003 (1995-12-01), Muraki et al.

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