Music – Instruments – Electrical musical tone generation
Patent
1994-03-28
1996-10-15
Witkowski, Stanley J.
Music
Instruments
Electrical musical tone generation
84645, 84451, G10C 312, G10H 118, G10H 700
Patent
active
055656412
ABSTRACT:
An electronic musical instrument preferably contains a microprocessor-based MIDI controller which receives signals from a standard IBM-compatible computer keyboard as input and processes the signals to reproduce music. A simple but powerful calculation, wherein keypresses indicate diatonic interval changes in pitch value rather than absolute pitch values, converts the signals generated by the sequence of keystrokes into musical tones on an external synthesizer via the MIDI protocol. Relative key signature changes and changes of the base scale (including non-Western scales) are accomplished with the touch of a button or foot pedal. Tone rows can be created and played back, and harmonic configurations ("chords") selected while playing. The keys on the keyboard are initially assigned functions for optimal ergonomic efficiency, but provision is made for the user to custom-design his or her own keyboard layout and scale configurations.
REFERENCES:
patent: 4947724 (1990-08-01), Hirano et al.
patent: 5036745 (1991-08-01), Althof, Jr.
patent: 5088378 (1992-02-01), DeLaTorre
patent: 5117727 (1992-06-01), Matsuda
patent: 5183398 (1993-02-01), Monte et al.
patent: 5306865 (1994-04-01), Dinnan et al.
"What's MIDI? Musical Instrument Digital Interface", 18 pages, published by Yamaha, date unknown.
Product Description and Specifications for Thunder Midi Controller, available from Buchla & Associates, dated Sep. 1, 1990, 5 pages.
Robert Rich, Product Review of Buchla Thunder, Electronic Musician, Aug. 1990, 4 pages.
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