JPS6223319B2 - - Google Patents

Info

Publication number
JPS6223319B2
JPS6223319B2 JP54052131A JP5213179A JPS6223319B2 JP S6223319 B2 JPS6223319 B2 JP S6223319B2 JP 54052131 A JP54052131 A JP 54052131A JP 5213179 A JP5213179 A JP 5213179A JP S6223319 B2 JPS6223319 B2 JP S6223319B2
Authority
JP
Japan
Prior art keywords
signal
circuit
waveform
address
channel
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
JP54052131A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55144296A (en
Inventor
Takatoshi Okumura
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.)
Nippon Gakki Co Ltd
Original Assignee
Nippon Gakki 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 Nippon Gakki Co Ltd filed Critical Nippon Gakki Co Ltd
Priority to JP5213179A priority Critical patent/JPS55144296A/ja
Priority to US06/145,111 priority patent/US4377960A/en
Publication of JPS55144296A publication Critical patent/JPS55144296A/ja
Priority to US06/828,081 priority patent/USRE33738E/en
Publication of JPS6223319B2 publication Critical patent/JPS6223319B2/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
    • G10H7/02—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
    • G10H7/06—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 a fixed rate, the read-out address varying stepwise by a given value, 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
    • G10H1/08—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour by combining tones
    • 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
    • G10H2250/541—Details of musical waveform synthesis, i.e. audio waveshape processing from individual wavetable samples, independently of their origin or of the sound they represent
    • G10H2250/545—Aliasing, i.e. preventing, eliminating or deliberately using aliasing noise, distortions or artifacts in sampled or synthesised waveforms, e.g. by band limiting, oversampling or undersampling, respectively

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrophonic Musical Instruments (AREA)
JP5213179A 1979-04-27 1979-04-27 Electronic musical instrument Granted JPS55144296A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP5213179A JPS55144296A (en) 1979-04-27 1979-04-27 Electronic musical instrument
US06/145,111 US4377960A (en) 1979-04-27 1980-04-30 Electronic musical instrument of waveform memory reading type
US06/828,081 USRE33738E (en) 1979-04-27 1986-02-07 Electronic musical instrument of waveform memory reading type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5213179A JPS55144296A (en) 1979-04-27 1979-04-27 Electronic musical instrument

Publications (2)

Publication Number Publication Date
JPS55144296A JPS55144296A (en) 1980-11-11
JPS6223319B2 true JPS6223319B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-05-22

Family

ID=12906304

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5213179A Granted JPS55144296A (en) 1979-04-27 1979-04-27 Electronic musical instrument

Country Status (2)

Country Link
US (1) US4377960A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS55144296A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57135997A (en) * 1981-02-14 1982-08-21 Matsushita Electric Works Ltd Voice synthesization system
JPS57188095A (en) * 1981-05-14 1982-11-18 Nippon Musical Instruments Mfg Electronic musical instrument
JPS5862693A (ja) * 1981-10-09 1983-04-14 カシオ計算機株式会社 自動演奏機能を有する電子楽器
JPS59111198A (ja) * 1982-12-15 1984-06-27 松下電器産業株式会社 波形読み出し装置
EP0102169B1 (en) * 1982-07-19 1987-09-16 Matsushita Electric Industrial Co., Ltd. Wave reading apparatus
JPS5915989A (ja) * 1982-07-19 1984-01-27 松下電器産業株式会社 波形読み出し装置
US4677890A (en) * 1983-02-27 1987-07-07 Commodore Business Machines Inc. Sound interface circuit
JPS59168493A (ja) * 1983-03-16 1984-09-22 ヤマハ株式会社 楽音波形発生装置
JPS60495A (ja) * 1983-05-30 1985-01-05 松下電器産業株式会社 波形読み出し装置
JPS59226391A (ja) * 1983-06-08 1984-12-19 ヤマハ株式会社 電子楽器
DE3650389T2 (de) * 1985-04-12 1996-03-07 Yamaha Corp Tonsignalerzeugungsvorrichtung.
JPS62131297A (ja) * 1985-12-04 1987-06-13 ヤマハ株式会社 電子楽器
EP0229926B1 (en) * 1985-11-29 1993-11-18 Yamaha Corporation Tone signal processing device
US5342990A (en) 1990-01-05 1994-08-30 E-Mu Systems, Inc. Digital sampling instrument employing cache-memory
JP2626684B2 (ja) * 1990-02-26 1997-07-02 セイコークロック株式会社 音響データ出力回路
JPH04166999A (ja) * 1990-10-31 1992-06-12 Seikosha Co Ltd 音響信号合成回路
US7107401B1 (en) 2003-12-19 2006-09-12 Creative Technology Ltd Method and circuit to combine cache and delay line memory

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3882751A (en) * 1972-12-14 1975-05-13 Nippon Musical Instruments Mfg Electronic musical instrument employing waveshape memories
US4036096A (en) * 1974-07-11 1977-07-19 Nippon Gakki Seizo Kabushiki Kaisha Musical tone waveshape generator
JPS51126820A (en) * 1975-04-26 1976-11-05 Nippon Gakki Seizo Kk An electronic instrument
JPS523421A (en) * 1975-06-26 1977-01-11 Kawai Musical Instr Mfg Co Ltd Sound source appliance of electronic musical instrument
US4085644A (en) * 1975-08-11 1978-04-25 Deutsch Research Laboratories, Ltd. Polyphonic tone synthesizer
JPS5230844A (en) * 1975-08-30 1977-03-08 Matsushita Electric Works Ltd Coating roll
JPS5842479B2 (ja) * 1976-10-18 1983-09-20 ヤマハ株式会社 電子楽器のウエ−ブゼネレ−タ
US4254681A (en) * 1977-04-08 1981-03-10 Kabushiki Kaisha Kawai Gakki Seisakusho Musical waveshape processing system
US4282785A (en) * 1977-10-17 1981-08-11 Kabushiki Kaisha Kawai Gakki Seisakusho Electronic musical instrument

Also Published As

Publication number Publication date
US4377960A (en) 1983-03-29
JPS55144296A (en) 1980-11-11

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