JPH0229228B2 - - Google Patents

Info

Publication number
JPH0229228B2
JPH0229228B2 JP58201664A JP20166483A JPH0229228B2 JP H0229228 B2 JPH0229228 B2 JP H0229228B2 JP 58201664 A JP58201664 A JP 58201664A JP 20166483 A JP20166483 A JP 20166483A JP H0229228 B2 JPH0229228 B2 JP H0229228B2
Authority
JP
Japan
Prior art keywords
circuit
address
data
harmonic
waveform
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 - Lifetime
Application number
JP58201664A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6093495A (ja
Inventor
Yoichi Nagashima
Tatsunori Kondo
Kyomi Takauji
Mineo Kitamura
Tadashi Matsushima
Eiji Nagashima
Masafumi Mizoguchi
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.)
Kawai Musical Instruments Manufacturing Co Ltd
Original Assignee
Kawai Musical Instruments Manufacturing 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
Application filed by Kawai Musical Instruments Manufacturing Co Ltd filed Critical Kawai Musical Instruments Manufacturing Co Ltd
Priority to JP58201664A priority Critical patent/JPS6093495A/ja
Priority to US06/665,126 priority patent/US4638706A/en
Publication of JPS6093495A publication Critical patent/JPS6093495A/ja
Publication of JPH0229228B2 publication Critical patent/JPH0229228B2/ja
Granted 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
    • G10H2250/055—Filters for musical processing or musical effects; Filter responses, filter architecture, filter coefficients or control parameters therefor
    • G10H2250/095—Filter coefficient interpolation

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Electrophonic Musical Instruments (AREA)
JP58201664A 1983-10-27 1983-10-27 電子楽器 Granted JPS6093495A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58201664A JPS6093495A (ja) 1983-10-27 1983-10-27 電子楽器
US06/665,126 US4638706A (en) 1983-10-27 1984-10-26 Electronical musical instrument with note frequency data setting circuit and interpolation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58201664A JPS6093495A (ja) 1983-10-27 1983-10-27 電子楽器

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP3105799A Division JPH0666040B2 (ja) 1991-05-10 1991-05-10 電子楽器

Publications (2)

Publication Number Publication Date
JPS6093495A JPS6093495A (ja) 1985-05-25
JPH0229228B2 true JPH0229228B2 (en]) 1990-06-28

Family

ID=16444848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58201664A Granted JPS6093495A (ja) 1983-10-27 1983-10-27 電子楽器

Country Status (2)

Country Link
US (1) US4638706A (en])
JP (1) JPS6093495A (en])

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4677889A (en) * 1985-10-25 1987-07-07 Kawai Musical Instrument Mfg. Co., Ltd. Harmonic interpolation for producing time variant tones in an electronic musical instrument
DE3943800B4 (de) * 1988-11-19 2004-09-16 Sony Computer Entertainment Inc. Verfahren zum Erzeugen von Quelltondaten
US5086475A (en) * 1988-11-19 1992-02-04 Sony Corporation Apparatus for generating, recording or reproducing sound source data
US4953437A (en) * 1989-01-17 1990-09-04 Gulbransen Incorporated Method and apparatus for digitally generating musical notes
US5218155A (en) * 1990-03-30 1993-06-08 Kabushiki Kaisha Kawai Gakki Seisakusho Tone signal processing apparatus for PCM waveform interpolation and filtering
US5747714A (en) * 1995-11-16 1998-05-05 James N. Kniest Digital tone synthesis modeling for complex instruments
WO2007088500A2 (en) * 2006-01-31 2007-08-09 Koninklijke Philips Electronics N.V. Component based sound synthesizer

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31653A (en) * 1861-03-12 Ditching-machine
US3908504A (en) * 1974-04-19 1975-09-30 Nippon Musical Instruments Mfg Harmonic modulation and loudness scaling in a computer organ
JPS5917838B2 (ja) * 1977-11-01 1984-04-24 ヤマハ株式会社 電子楽器の波形発生装置
JPS54140523A (en) 1978-04-24 1979-10-31 Nippon Gakki Seizo Kk Electronic instrument
US4205575A (en) * 1978-05-19 1980-06-03 The Wurlitzer Company Binary interpolator for electronic musical instrument
JPS5521041A (en) * 1978-07-31 1980-02-14 Nippon Musical Instruments Mfg Producing musical tone of electronic device and electronic musical device
US4352312A (en) * 1981-06-10 1982-10-05 Allen Organ Company Transient harmonic interpolator for an electronic musical instrument
JPS5865493A (ja) * 1981-10-15 1983-04-19 松下電器産業株式会社 波形発生装置
GB2113447B (en) * 1981-12-22 1986-07-09 Casio Computer Co Ltd Tone signal generating apparatus of electronic musical instruments
JPS5940698A (ja) * 1982-07-27 1984-03-06 ロ−ランド株式会社 電子楽器の楽音生成装置
US4444082A (en) * 1982-10-04 1984-04-24 Allen Organ Company Modified transient harmonic interpolator for an electronic musical instrument
JPS59137997A (ja) * 1983-01-28 1984-08-08 カシオ計算機株式会社 波形メモリ読出し方式
US4566364A (en) * 1983-06-14 1986-01-28 Nippon Gakki Seizo Kabushiki Kaisha Electronic musical instrument controlling a tone waveshape by key scaling

Also Published As

Publication number Publication date
JPS6093495A (ja) 1985-05-25
US4638706A (en) 1987-01-27

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