Electronic musical instrument with a note detector capable of de

Details Electronic musical instrument with a note detector capable of de Electronic musical instrument with a note detector capable of de

1991-04-10

1993-04-13

Shoop, Jr., William M.

Music

Instruments

Electrical musical tone generation

84617, 84654, 84655, 84661, 84DIG9, G10H 700

Patent

active

052025284

ABSTRACT:
A voice input to a microphone is converted by an A/D converter to a digital signal which is then delivered to a DSP, which extracts the notes of the input voice for determining same. The processing by the DSP includes bandpass filtering with a frequency corresponding to each note as the central frequency. A plurality of notes is processed on a time divisional basis to determine their respective notes. A new musical sound electronically corresponding to one or more notes extracted as the result of the note detection is then generated on a real time basis.

REFERENCES:
patent: 4014237 (1977-03-01), Milde, Jr.
patent: 4041783 (1977-08-01), Shimauchi et al.
patent: 4354248 (1982-10-01), Conger et al.
patent: 4389538 (1983-06-01), White
patent: 4399732 (1983-08-01), Rothschild et al.
patent: 4732071 (1988-03-01), Deutsch
patent: 4866260 (1989-09-01), Lescourret
patent: 5024134 (1991-06-01), Uchiyama
patent: 5048391 (1991-09-01), Uchiyama et al.
IPSJ National Convention Record 1988 the letter term pp. 1962-1963.

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