DE3778401D1 - Wellenformerzeuger fuer ein elektronisches musikinstrument. - Google Patents

Wellenformerzeuger fuer ein elektronisches musikinstrument.

Info

Publication number
DE3778401D1
DE3778401D1 DE8787100845T DE3778401T DE3778401D1 DE 3778401 D1 DE3778401 D1 DE 3778401D1 DE 8787100845 T DE8787100845 T DE 8787100845T DE 3778401 T DE3778401 T DE 3778401T DE 3778401 D1 DE3778401 D1 DE 3778401D1
Authority
DE
Germany
Prior art keywords
waveform
electronic music
music instrument
instrument
electronic
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 - Fee Related
Application number
DE8787100845T
Other languages
English (en)
Inventor
Yoji Patent Dept D D Ha Kaneko
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.)
Casio Computer Co Ltd
Original Assignee
Casio Computer Co Ltd
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
Priority claimed from JP61019845A external-priority patent/JPH0740198B2/ja
Priority claimed from JP61055008A external-priority patent/JP2678749B2/ja
Application filed by Casio Computer Co Ltd filed Critical Casio Computer Co Ltd
Application granted granted Critical
Publication of DE3778401D1 publication Critical patent/DE3778401D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G10H7/008—Means for controlling the transition from one tone waveform to another
    • 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
    • G10H7/12—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 by means of a recursive algorithm using one or more sets of parameters stored in a memory and the calculated amplitudes of one or more preceding sample points
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Electrophonic Musical Instruments (AREA)
DE8787100845T 1986-01-31 1987-01-22 Wellenformerzeuger fuer ein elektronisches musikinstrument. Expired - Fee Related DE3778401D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61019845A JPH0740198B2 (ja) 1986-01-31 1986-01-31 楽音波形発生装置
JP61055008A JP2678749B2 (ja) 1986-03-14 1986-03-14 波形発生装置

Publications (1)

Publication Number Publication Date
DE3778401D1 true DE3778401D1 (de) 1992-05-27

Family

ID=26356711

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787100845T Expired - Fee Related DE3778401D1 (de) 1986-01-31 1987-01-22 Wellenformerzeuger fuer ein elektronisches musikinstrument.

Country Status (3)

Country Link
US (1) US5038661A (de)
EP (1) EP0235538B1 (de)
DE (1) DE3778401D1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69018687T2 (de) * 1989-04-21 1996-01-25 Yamaha Corp Musiksynthesizer.
JPH0774955B2 (ja) * 1989-07-27 1995-08-09 ヤマハ株式会社 楽音合成装置
US5127304A (en) * 1990-08-21 1992-07-07 Kabushiki Kaisha Kawai Gakki Seisakusho Envelope signal generating apparatus
CN1040590C (zh) * 1992-08-14 1998-11-04 凌阳科技股份有限公司 声音合成器
US5418321A (en) * 1992-12-15 1995-05-23 Commodore Electronics, Limited Audio channel system for providing an analog signal corresponding to a sound waveform in a computer system
TW281745B (de) * 1994-03-31 1996-07-21 Yamaha Corp
EP0743631B1 (de) * 1995-05-19 2002-03-06 Yamaha Corporation Verfahren und Vorrichtung zur Tonerzeugung
JP2962217B2 (ja) * 1995-11-22 1999-10-12 ヤマハ株式会社 楽音生成装置及び方法
FR2783630B1 (fr) * 1998-09-23 2000-12-15 Pierre Guilmette Systeme de synthese sonore permettant d'obtenir en sortie une suite d'echantillons electriques

Family Cites Families (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3443463A (en) * 1965-07-26 1969-05-13 Chicago Musical Instr Co Frequency doubler and coupler for electronic music generation systems
US3610806A (en) * 1969-10-30 1971-10-05 North American Rockwell Adaptive sustain system for digital electronic organ
US3809786A (en) * 1972-02-14 1974-05-07 Deutsch Res Lab Computor organ
US3882751A (en) * 1972-12-14 1975-05-13 Nippon Musical Instruments Mfg Electronic musical instrument employing waveshape memories
US4018121A (en) * 1974-03-26 1977-04-19 The Board Of Trustees Of Leland Stanford Junior University Method of synthesizing a musical sound
US3978755A (en) * 1974-04-23 1976-09-07 Allen Organ Company Frequency separator for digital musical instrument chorus effect
JPS52107823A (en) * 1976-03-05 1977-09-09 Nippon Gakki Seizo Kk Electronic musical instrument
US4134321A (en) * 1977-04-14 1979-01-16 Allen Organ Company Demultiplexing audio waveshape generator
JPS54109823A (en) * 1978-02-17 1979-08-28 Nippon Gakki Seizo Kk Electronic musical instrument
US4281574A (en) * 1978-03-13 1981-08-04 Kawai Musical Instrument Mfg. Co. Ltd. Signal delay tone synthesizer
US4212221A (en) * 1978-03-30 1980-07-15 Allen Organ Company Method and apparatus for note attack and decay in an electronic musical instrument
US4249447A (en) * 1978-06-30 1981-02-10 Nippon Gakki Seizo Kabushiki Kaisha Tone production method for an electronic musical instrument
JPS5567799A (en) * 1978-11-16 1980-05-22 Nippon Musical Instruments Mfg Electronic musical instrument
US4246822A (en) * 1979-02-09 1981-01-27 Kawai Musical Instrument Mfg. Co. Ltd. Data transfer apparatus for digital polyphonic tone synthesizer
JPS5662297A (en) * 1979-10-26 1981-05-28 Nippon Musical Instruments Mfg Musical tone synthesizer
JPS5865492A (ja) * 1981-10-15 1983-04-19 ヤマハ株式会社 電子楽器
JPS58128496A (ja) * 1982-01-25 1983-08-01 Matsushita Electric Ind Co Ltd 流れ方向制御装置
JPS58128499A (ja) * 1982-01-25 1983-08-01 Nippon Denso Co Ltd ポンプの製造方法
JPS58128495A (ja) * 1982-01-25 1983-08-01 Matsushita Electric Ind Co Ltd 送風装置
JPS58128497A (ja) * 1982-01-27 1983-08-01 Matsushita Electric Ind Co Ltd 流れ方向制御装置
JPS58128498A (ja) * 1982-01-27 1983-08-01 Matsushita Electric Ind Co Ltd 流れ方向制御装置
JPS58133197A (ja) * 1982-01-29 1983-08-08 Sansui Electric Co 直流モ−タの駆動方法
JPS58133199A (ja) * 1982-02-01 1983-08-08 Matsushita Electric Ind Co Ltd パルス幅変調インバ−タの制御方式
JPS58133198A (ja) * 1982-02-02 1983-08-08 Toshiba Corp ヒステリシス電動機の監視装置
JPS58211789A (ja) * 1982-06-04 1983-12-09 ヤマハ株式会社 楽音合成装置
DE3348330C2 (de) * 1982-12-17 1994-01-20 Casio Computer Co Ltd Elektronisches Musikinstrument
DE3463306D1 (en) * 1983-01-18 1987-05-27 Matsushita Electric Ind Co Ltd Wave generating apparatus
US4641564A (en) * 1983-06-17 1987-02-10 Nippon Gakki Seizo Kabushiki Kaisha Musical tone producing device of waveform memory readout type
US4813326A (en) * 1984-07-16 1989-03-21 Yamaha Corporation Method and apparatus for synthesizing music tones with high harmonic content
US4683793A (en) * 1986-02-10 1987-08-04 Kawai Musical Instrument Mfg. Co., Ltd. Data reduction for a musical instrument using stored waveforms

Also Published As

Publication number Publication date
EP0235538A2 (de) 1987-09-09
US5038661A (en) 1991-08-13
EP0235538B1 (de) 1992-04-22
EP0235538A3 (en) 1989-03-08

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee