CA1006385A - Digital tone generator - Google Patents

Digital tone generator

Info

Publication number
CA1006385A
CA1006385A CA206,897A CA206897A CA1006385A CA 1006385 A CA1006385 A CA 1006385A CA 206897 A CA206897 A CA 206897A CA 1006385 A CA1006385 A CA 1006385A
Authority
CA
Canada
Prior art keywords
tone generator
digital tone
digital
generator
tone
Prior art date
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
CA206,897A
Other versions
CA206897S (en
Inventor
David O. Rocheleau
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Research Council of Canada
Original Assignee
National Research Council of Canada
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 by National Research Council of Canada filed Critical National Research Council of Canada
Application granted granted Critical
Publication of CA1006385A publication Critical patent/CA1006385A/en
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
    • G10H7/02—Instruments in which the tones are synthesised from a data store, e.g. computer organs in which amplitudes at successive sample points of a tone waveform are stored in one or more memories
    • G10H7/04—Instruments in which the tones are synthesised from a data store, e.g. computer organs in which amplitudes at successive sample points of a tone waveform are stored in one or more memories in which amplitudes are read at varying rates, e.g. according to pitch
    • 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
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
    • G10H1/06—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrophonic Musical Instruments (AREA)
CA206,897A 1973-11-26 1974-08-13 Digital tone generator Expired CA1006385A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US419033A US3894463A (en) 1973-11-26 1973-11-26 Digital tone generator

Publications (1)

Publication Number Publication Date
CA1006385A true CA1006385A (en) 1977-03-08

Family

ID=23660514

Family Applications (1)

Application Number Title Priority Date Filing Date
CA206,897A Expired CA1006385A (en) 1973-11-26 1974-08-13 Digital tone generator

Country Status (2)

Country Link
US (1) US3894463A (en)
CA (1) CA1006385A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083285A (en) * 1974-09-27 1978-04-11 Nippon Gakki Seizo Kabushiki Kaisha Electronic musical instrument
US4177707A (en) * 1975-08-04 1979-12-11 Boucher Gary R Electronic music synthesizer
US4085644A (en) * 1975-08-11 1978-04-25 Deutsch Research Laboratories, Ltd. Polyphonic tone synthesizer
JPS52118631U (en) * 1976-03-05 1977-09-08
US4279185A (en) * 1977-06-07 1981-07-21 Alonso Sydney A Electronic music sampling techniques
US4312257A (en) * 1977-09-24 1982-01-26 Kabushiki Kaisha Kawai Gakki Seisakusho Automatic accompaniment apparatus
US4205574A (en) * 1978-01-27 1980-06-03 The Wurlitzer Company Electronic musical instrument with variable pulse producing system
US4203337A (en) * 1978-06-20 1980-05-20 The Wurlitzer Company Large scale integrated circuit chip for an electronic organ
US4244260A (en) * 1978-12-28 1981-01-13 Norlin Industries, Inc. Footage volume control circuit
US4338843A (en) * 1980-01-11 1982-07-13 Allen Organ Co. Asynchronous interface for electronic musical instrument with multiplexed note selection
US4320683A (en) * 1980-01-14 1982-03-23 Allen Organ Company Asynchronous interface for keying electronic musical instruments using multiplexed note selection
US4294155A (en) * 1980-01-17 1981-10-13 Cbs Inc. Electronic musical instrument
US4351219A (en) * 1980-09-25 1982-09-28 Kimball International, Inc. Digital tone generation system utilizing fixed duration time functions
US4446770A (en) * 1980-09-25 1984-05-08 Kimball International, Inc. Digital tone generation system utilizing fixed duration time functions
US5630112A (en) * 1991-06-19 1997-05-13 Kabushiki Kaisha Toshiba System using timing information contained in data read from reproduction unit controlled by first oscillator to vary frequency of independent system clock signal

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305675A (en) * 1962-06-19 1967-02-21 Kurt H Haase Wave form synthesizing apparatus
US3515792A (en) * 1967-08-16 1970-06-02 North American Rockwell Digital organ
US3610806A (en) * 1969-10-30 1971-10-05 North American Rockwell Adaptive sustain system for digital electronic organ
US3733593A (en) * 1970-10-09 1973-05-15 Rockwell International Corp Capture combination system
US3757022A (en) * 1971-09-16 1973-09-04 Allen Organ Co Pitch articulation system for an electronic organ
US3697661A (en) * 1971-10-04 1972-10-10 North American Rockwell Multiplexed pitch generator system for use in a keyboard musical instrument
US3755608A (en) * 1971-12-06 1973-08-28 North American Rockwell Apparatus and method for selectively alterable voicing in an electrical instrument
US3740450A (en) * 1971-12-06 1973-06-19 North American Rockwell Apparatus and method for simulating chiff in a sampled amplitude electronic organ
US3844379A (en) * 1971-12-30 1974-10-29 Nippon Musical Instruments Mfg Electronic musical instrument with key coding in a key address memory
GB1409763A (en) * 1972-01-17 1975-10-15 Nippon Musical Instruments Mfg Musical tone wave shape generating apparatus
JPS5236406B2 (en) * 1972-01-17 1977-09-16
US3746773A (en) * 1972-02-04 1973-07-17 Baldwin Co D H Electronic organ employing time position multiplexed signals
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
US3894463A (en) 1975-07-15

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