Stringed instrument emulator and method

Details Stringed instrument emulator and method Stringed instrument emulator and method

1991-04-02

1992-08-11

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84622, 84637, 84DIG22, G10H 106, G10H 138, G10H 700

Patent

active

051369141

ABSTRACT:
A music emulator for emulating guitar sounds uses non-guitar like devices, as for instance a piano style keyboard, for input. Input from the keyboard within a time window is defined as simultaneous and entered into a note list. A signal is derived from the note list indicative of the chord played on the keyboard. In addition, notes in the note list can be extended to form a full chord whereby as few as three notes constituting a chord input at the keyboard are extended to a greater number of notes as, for instance, the six strings of a guitar. This signal is then outputted at a time rate which is extended with respect to the input time window whereby the output emulates a guitar strum including an arpeggiation or strumming effect of a guitar like sound. Chord extension is achieved by analyzing the notes in the note list as to their pitch and generating further notes which are outside the typical one octave range of a keyboard chord and extend to the typical four octave window of a guitar.

REFERENCES:
patent: 3967520 (1976-08-01), Drydyk
patent: 4154131 (1979-05-01), Studer et al.
patent: 4476766 (1984-10-01), Ishii
patent: 4513650 (1985-04-01), Nagasaka et al.
patent: 4624170 (1986-11-01), Ohno et al.
patent: 4658690 (1987-04-01), Aitken et al.
patent: 4768413 (1988-09-01), Fujimori

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