Yuichi Nagata

Harmony chorus apparatus generating chorus sound derived from vocal sound

Karaoke apparatus creating vocal effect matching music piece

Howling remover composed of adjustable equalizers for attenuating complicated noise peaks

Karaoke apparatus switching vocal part and harmony part in duet play

Musical apparatus creating chorus sound to accompany live vocal sound

FM audio signal receiver having a characteristic control function

Howling remover having cascade connected equalizers suppressing multiple noise peaks

Effect adaptor attachable to karaoke machine to create harmony chorus

Effector with integral setting of control parameters and adaptive selecting of control programs

Musical sound reproduction controller with two-stage adjustment of tone