JPS6348359B2 - - Google Patents

Info

Publication number
JPS6348359B2
JPS6348359B2 JP55046143A JP4614380A JPS6348359B2 JP S6348359 B2 JPS6348359 B2 JP S6348359B2 JP 55046143 A JP55046143 A JP 55046143A JP 4614380 A JP4614380 A JP 4614380A JP S6348359 B2 JPS6348359 B2 JP S6348359B2
Authority
JP
Japan
Prior art keywords
odd
cycle
main
data set
data
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
JP55046143A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55143597A (en
Inventor
Doitsuche Rarufu
Josefu Doitsuche Resurii
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
Publication of JPS55143597A publication Critical patent/JPS55143597A/ja
Publication of JPS6348359B2 publication Critical patent/JPS6348359B2/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

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)
JP4614380A 1979-04-09 1980-04-08 Odddeven symmetry calculator in complex synthesizer Granted JPS55143597A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/028,038 US4249448A (en) 1979-04-09 1979-04-09 Even-odd symmetric computation in a polyphonic tone synthesizer

Publications (2)

Publication Number Publication Date
JPS55143597A JPS55143597A (en) 1980-11-08
JPS6348359B2 true JPS6348359B2 (enExample) 1988-09-28

Family

ID=21841215

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4614380A Granted JPS55143597A (en) 1979-04-09 1980-04-08 Odddeven symmetry calculator in complex synthesizer

Country Status (2)

Country Link
US (1) US4249448A (enExample)
JP (1) JPS55143597A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4300434A (en) * 1980-05-16 1981-11-17 Kawai Musical Instrument Mfg. Co., Ltd. Apparatus for tone generation with combined loudness and formant spectral variation
US4464965A (en) * 1982-11-12 1984-08-14 Kawai Musical Instrument Mfg. Co., Ltd. Autocorrelation tone generator for an electronic musical instrument
US4579032A (en) * 1984-09-10 1986-04-01 Kawai Musical Instrument Mfg. Co., Ltd Computation time reduction in a polyphonic tone synthesizer
US4683793A (en) * 1986-02-10 1987-08-04 Kawai Musical Instrument Mfg. Co., Ltd. Data reduction for a musical instrument using stored waveforms
US4697490A (en) * 1986-05-29 1987-10-06 Kawai Musical Instrument Mfg. Co., Ltd. Musical tone generator using incremental harmonic variation
US5367699A (en) * 1991-11-26 1994-11-22 Bull Hn Information Systems Inc. Central processing unit incorporation selectable, precisa ratio, speed of execution derating

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3763364A (en) * 1971-11-26 1973-10-02 North American Rockwell Apparatus for storing and reading out periodic waveforms
US3809788A (en) * 1972-10-17 1974-05-07 Nippon Musical Instruments Mfg Computor organ using parallel processing
JPS50131513A (enExample) * 1974-04-04 1975-10-17
US4085644A (en) * 1975-08-11 1978-04-25 Deutsch Research Laboratories, Ltd. Polyphonic tone synthesizer
US4022098A (en) * 1975-10-06 1977-05-10 Ralph Deutsch Keyboard switch detect and assignor
US4067254A (en) * 1975-11-24 1978-01-10 Deutsch Research Laboratories, Ltd. Frequency number controlled clocks

Also Published As

Publication number Publication date
US4249448A (en) 1981-02-10
JPS55143597A (en) 1980-11-08

Similar Documents

Publication Publication Date Title
JPH026074B2 (enExample)
JPS60258594A (ja) 音楽的音調発生装置
JPS6214833B2 (enExample)
JPS6348359B2 (enExample)
JPS639239B2 (enExample)
US4256003A (en) Note frequency generator for an electronic musical instrument
JPH0664473B2 (ja) 非高調波上音を発生する装置
JPH0230031B2 (enExample)
JP2619242B2 (ja) 時変スペクトルを有する楽音を発生する電子楽器
JPS5895790A (ja) 楽音発生装置
US4135427A (en) Electronic musical instrument ring modulator employing multiplication of signals
JPH0430597B2 (enExample)
USRE31648E (en) System for generating tone source waveshapes
JPH0225515B2 (enExample)
JPS61182097A (ja) 電子楽器における雑音減少装置
US4231278A (en) Adaptive computation in a digital tone synthesizer
JPS6175393A (ja) 複音シンセサイザにおける拡張高調波装置
JPH0631991B2 (ja) 電子楽器における計算装置
US4257304A (en) Simultaneous voice pitches in a polyphonic tone synthesizer
JPH0376469B2 (enExample)
JPS62288893A (ja) 増分高調波変化を使用する楽音発生装置
JPH0740194B2 (ja) 電子楽器
JPH0634173B2 (ja) 電子楽器
JPH0431112B2 (enExample)
JPH0644194B2 (ja) 電子楽器におけるアンサンブル効果発生装置