JPS5335447B2 - - Google Patents

Info

Publication number
JPS5335447B2
JPS5335447B2 JP11584775A JP11584775A JPS5335447B2 JP S5335447 B2 JPS5335447 B2 JP S5335447B2 JP 11584775 A JP11584775 A JP 11584775A JP 11584775 A JP11584775 A JP 11584775A JP S5335447 B2 JPS5335447 B2 JP S5335447B2
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
JP11584775A
Other languages
Japanese (ja)
Other versions
JPS5163613A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS5163613A publication Critical patent/JPS5163613A/ja
Publication of JPS5335447B2 publication Critical patent/JPS5335447B2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H7/00—Instruments in which the tones are synthesised from a data store, e.g. computer organs
    • G10H7/08—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform
    • G10H7/10—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform using coefficients or parameters stored in a memory, e.g. Fourier coefficients
    • G10H7/105—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform using coefficients or parameters stored in a memory, e.g. Fourier coefficients using Fourier coefficients
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
    • G10H2250/131—Mathematical functions for musical analysis, processing, synthesis or composition
    • G10H2250/141—Bessel functions, e.g. for smoothing or modulating, for FM audio synthesis or for expressing the vibration modes of a circular drum membrane

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Pure & Applied Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • General Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Amplitude Modulation (AREA)
JP11584775A 1974-09-26 1975-09-25 Expired JPS5335447B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/509,705 US3972259A (en) 1974-09-26 1974-09-26 Production of pulse width modulation tonal effects in a computor organ

Publications (2)

Publication Number Publication Date
JPS5163613A JPS5163613A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-06-02
JPS5335447B2 true JPS5335447B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-09-27

Family

ID=24027777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11584775A Expired JPS5335447B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1974-09-26 1975-09-25

Country Status (2)

Country Link
US (1) US3972259A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS5335447B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH594953A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1975-04-08 1978-01-31 Ito Patent Ag
US4133241A (en) * 1975-05-27 1979-01-09 Nippon Gakki Seizo Kabushiki Kaisha Electronic musical instrument utilizing recursive algorithm
US4116103A (en) * 1976-07-12 1978-09-26 Deutsch Research Laboratories, Ltd. Pulse width modulation in a digital tone synthesizer
US4189970A (en) * 1977-04-14 1980-02-26 Allen Organ Company Method and apparatus for achieving timbre modulation in an electronic musical instrument
US4205574A (en) * 1978-01-27 1980-06-03 The Wurlitzer Company Electronic musical instrument with variable pulse producing system
US4297935A (en) * 1978-02-24 1981-11-03 Marmon Company Divider keyer circuit for synthesis organ
US4211138A (en) * 1978-06-22 1980-07-08 Kawai Musical Instrument Mfg. Co., Ltd. Harmonic formant filter for an electronic musical instrument
US4763257A (en) * 1983-11-15 1988-08-09 Manfred Clynes Computerized system for imparting an expressive microstructure to successive notes in a musical score
US4704682A (en) * 1983-11-15 1987-11-03 Manfred Clynes Computerized system for imparting an expressive microstructure to succession of notes in a musical score
US4999773A (en) * 1983-11-15 1991-03-12 Manfred Clynes Technique for contouring amplitude of musical notes based on their relationship to the succeeding note
ITMC20030032A1 (it) * 2003-03-28 2004-09-29 Viscount Internat Spa Metodo e dispositivo elettronico per riprodurre il suono delle canne ad anima dell'organo liturgico, sfruttando la tecnica della modellazione fisica degli strumenti acustici

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610805A (en) * 1969-10-30 1971-10-05 North American Rockwell Attack and decay system for a digital electronic organ
GB1409763A (en) * 1972-01-17 1975-10-15 Nippon Musical Instruments Mfg Musical tone wave shape generating apparatus
JPS5236406B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-01-17 1977-09-16
US3809786A (en) * 1972-02-14 1974-05-07 Deutsch Res Lab Computor organ
US3809788A (en) * 1972-10-17 1974-05-07 Nippon Musical Instruments Mfg Computor organ using parallel processing
US3809789A (en) * 1972-12-13 1974-05-07 Nippon Musical Instruments Mfg Computor organ using harmonic limiting
US3809790A (en) * 1973-01-31 1974-05-07 Nippon Musical Instruments Mfg Implementation of combined footage stops in a computor organ

Also Published As

Publication number Publication date
US3972259A (en) 1976-08-03
JPS5163613A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-06-02

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