Performance evaluator for use in a karaoke apparatus

Details Performance evaluator for use in a karaoke apparatus Performance evaluator for use in a karaoke apparatus

1994-09-22

1996-09-17

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84634, 84477R, G09B 1502, G10H 136

Patent

active

055570569

ABSTRACT:
A karaoke apparatus evaluates a singer's performance by employing: a microphone for converting the singer's voice into a electrical voice signal; a first analogue to digital (A/D) converter for converting the electrical voice signal into a digitized voice signal; a audiovisual equipment for producing the accompanying music; a second A/D converter for digitizing the accompanying music to produce a digitized accompaniment signal; and a performance evaluator for measuring the difference between the accompanying music and the corresponding karaoke singer's voice to produce a score for the karaoke singer's singing performance.

REFERENCES:
patent: 4546687 (1985-10-01), Minami
patent: 5208413 (1993-05-01), Tsumura et al.
patent: 5250745 (1993-10-01), Tsumura
patent: 5395123 (1995-03-01), Kondo
patent: 5434949 (1995-07-01), Jeong

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