Chorus effector with natural fluctuation imported from singing v

Details Chorus effector with natural fluctuation imported from singing v Chorus effector with natural fluctuation imported from singing v

1997-09-03

1999-05-11

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84631, 84DIG4, 434307A, G09B5/04

Patent

active

059029510

ABSTRACT:
A chorus apparatus is constructed for creating a chorus sound to accompany a vocal sound which is sung by a singer. In the chorus apparatus, a providing device provides music information including reference pitch information which indicates a regular variation of an actual pitch of the vocal sound and harmony pitch information which determines a harmony pitch of the chorus sound. A detecting device detects the actual pitch of the vocal sound containing the regular variation and an irregular fluctuation which overlaps the regular variation. A controlling device extracts the irregular fluctuation of the actual pitch from the vocal sound according to the reference pitch information, and modifies the harmony pitch information to impart thereto a desired fluctuation corresponding to the irregular fluctuation extracted from the vocal sound. A generating device operates according to the modified harmony pitch information for generating the chorus sound containing the desired fluctuation over the harmony pitch. A mixing device mixes the vocal sound and the chorus sound with each other.

REFERENCES:
patent: 5393927 (1995-02-01), Aoki
patent: 5521326 (1996-05-01), Sone
patent: 5686684 (1997-11-01), Nagata et al.
patent: 5712437 (1998-01-01), Kageyama
patent: 5719346 (1998-02-01), Yoshida et al.

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