Tube modeling programmable digital guitar amplification system

Details Tube modeling programmable digital guitar amplification system Tube modeling programmable digital guitar amplification system

1997-01-17

1998-08-04

Witkowski, Stanley J.

Music

Instruments

Electrical musical tone generation

84607, 84621, 84629, 84630, 84631, 84633, 341138, 381118, 381120, G10H 102, G10H 712, H03F 1900, H03M 162

Patent

active

057896895

ABSTRACT:
An electric guitar amplifier which utilizes a digital signal processor to produce vacuum-tube-like distortion without certain unwanted audio artifacts created by previous digital realizations of nonlinear, high-gain functions. By virtue of a microprocessor-controlled digital signal processor embodiment, the invention gives the user programmable control over parameters normally associated with state of the art guitar amplifiers (e.g. tone controls, reverb controls, tremolo controls, etc.), as well as other musically useful parameters which are not normally included among the controls of a guitar amplifier (e.g. selection of preamp type, autovolume, reverberation type, autowah, etc.).

REFERENCES:
patent: 3357291 (1967-12-01), Carmichael
patent: 3524143 (1970-08-01), Munch, Jr.
patent: 3539699 (1970-11-01), Johnson
patent: 3683293 (1972-08-01), Matsui
patent: 3835409 (1974-09-01), Laub
patent: 4151477 (1979-04-01), Yokoyama
patent: 4175462 (1979-11-01), Simon
patent: 4194165 (1980-03-01), Skulski
patent: 4211893 (1980-07-01), Smith
patent: 4251688 (1981-02-01), Furner
patent: 4495640 (1985-01-01), Frey
patent: 4627094 (1986-12-01), Scholz
patent: 4809336 (1989-02-01), Pritchard
patent: 4811401 (1989-03-01), Brown, Sr. et al.
patent: 4843390 (1989-06-01), van Bavel et al.
patent: 4852444 (1989-08-01), Hoover et al.
patent: 4901618 (1990-02-01), Blum, Jr.
patent: 4937874 (1990-06-01), Pittman et al.
patent: 4984495 (1991-01-01), Fujimori
patent: 4992751 (1991-02-01), Attwood et al.
patent: 4995084 (1991-02-01), Pritchard
patent: 5007324 (1991-04-01), DeMichele
patent: 5009146 (1991-04-01), Manabe et al.
patent: 5009147 (1991-04-01), Yamamori
patent: 5012199 (1991-04-01), McKale
patent: 5023915 (1991-06-01), Brown, Sr. et al.
patent: 5032796 (1991-07-01), Tiers et al.
patent: 5060179 (1991-10-01), Sharp
patent: 5074184 (1991-12-01), Kikumoto
patent: 5074185 (1991-12-01), Nishikawa
patent: 5086475 (1992-02-01), Kutaragi et al.
patent: 5094138 (1992-03-01), Otsuka et al.
patent: 5097741 (1992-03-01), Kikumoto
patent: 5119430 (1992-06-01), Peavey et al.
patent: 5131044 (1992-07-01), Brown, Sr. et al.
patent: 5133014 (1992-07-01), Pritchard
patent: 5138926 (1992-08-01), Stier et al.
patent: 5159144 (1992-10-01), Fujisawa et al.
patent: 5173834 (1992-12-01), Sogob
patent: 5197102 (1993-03-01), Sondermeyer
patent: 5198603 (1993-03-01), Nishikawa et al.
patent: 5212676 (1993-05-01), Yamabata et al.
patent: 5262580 (1993-11-01), Tanaka et al.
patent: 5268527 (1993-12-01), Waller, Jr.
patent: 5270475 (1993-12-01), Weiss et al.
patent: 5270476 (1993-12-01), Rokkaku et al.
patent: 5308916 (1994-05-01), Murata et al.
patent: 5367120 (1994-11-01), Hoshiai
patent: 5387876 (1995-02-01), Sondermeyer
patent: 5393926 (1995-02-01), Johnson
patent: 5434536 (1995-07-01), Pritchard
patent: 5486646 (1996-01-01), Yamashita et al.
patent: 5509080 (1996-04-01), Roberts
patent: 5524055 (1996-06-01), Sondermeyer
patent: 5543579 (1996-08-01), Morinaga et al.
patent: 5578948 (1996-11-01), Toyama
patent: 5613010 (1997-03-01), Heyl et al.
patent: 5617058 (1997-04-01), Adrian et al.
Dattorro, Jon, "The Implementation of Recursive Digital Filters for High-Fidelity Audio," Journal of the Audio Engineering Society, 36:11 (1988).
Hirata, Yoshimutsu, "Digitalization of Conventional Analog Filters for Recording Use," Journal of the Audio Engineering Society, 29:5 (1991).
Line 6, AxSys 212 User Manual 1996.
Moorer, James A., "About This Reverberation Business", Computer Music Journal, 3:2 (1979).
Oppenheim and Schaefer, "Allpass Systems", Discrete-Time Signal Processing, pp. 234-240, (Prentice-Hall 1989).
Oppenheim and Schaefer, "Filter Design Technique", Discrete-Time Signal Processing, pp. 403-513, (Prentice-Hall 1989).
Proakis and Manolakis, "Random Number Generators", Digital Signal Processing, B6, (Prentice-Hall, 1996).
Proakis and Manolakis, "Design of Digital Filters", Digital Signal Processing, pp. 614-737, (Prentice-Hall, 1996).
Regallia et al., "The Digital All-Pass Filter: A Verstatile Signal Processing Building Block", Proceedings of the IEEE, 76:1 (1988).
Roland, Guital Preamp/Processor GP-100 Owners Manual 1995.
Roland, Guitar Preamp/Processor GP-100 Advertisement 1995.
Stauner and Puckett, "Designing Multi-Channel Reverberators," Computer Music Journal, 6:1 (1982).
Wilson, Rhonda "Filter Topologies", Journal of the Audio Engineering Society, 41:9 (1993).

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