SG6495G - Tone signal generation device employing a digital filter - Google Patents

Tone signal generation device employing a digital filter

Info

Publication number
SG6495G
SG6495G SG6495A SG6495A SG6495G SG 6495 G SG6495 G SG 6495G SG 6495 A SG6495 A SG 6495A SG 6495 A SG6495 A SG 6495A SG 6495 G SG6495 G SG 6495G
Authority
SG
Singapore
Prior art keywords
signal generation
generation device
digital filter
tone signal
device employing
Prior art date
Application number
SG6495A
Other languages
English (en)
Inventor
Hideo Suzuki
Original Assignee
Yamaha Corp
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 Yamaha Corp filed Critical Yamaha Corp
Priority to SG6495A priority Critical patent/SG6495G/en
Publication of SG6495G publication Critical patent/SG6495G/en

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
    • G10H1/12—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour by filtering complex waveforms
    • G10H1/125—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour by filtering complex waveforms using a digital filter
    • 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
    • G10H2250/111—Impulse response, i.e. filters defined or specified by their temporal impulse response features, e.g. for echo or reverberation applications
    • G10H2250/115—FIR impulse, e.g. for echoes or room acoustics, the shape of the impulse response is specified in particular according to delay times
    • 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
    • G10H2250/111—Impulse response, i.e. filters defined or specified by their temporal impulse response features, e.g. for echo or reverberation applications
    • G10H2250/121—IIR impulse
    • 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
    • G10H2250/145—Convolution, e.g. of a music input signal with a desired impulse response to compute an output
    • 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)
  • Analogue/Digital Conversion (AREA)
SG6495A 1986-12-30 1995-01-16 Tone signal generation device employing a digital filter SG6495G (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SG6495A SG6495G (en) 1986-12-30 1995-01-16 Tone signal generation device employing a digital filter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP61311285A JPH0754432B2 (ja) 1986-12-30 1986-12-30 楽音信号発生装置
SG6495A SG6495G (en) 1986-12-30 1995-01-16 Tone signal generation device employing a digital filter

Publications (1)

Publication Number Publication Date
SG6495G true SG6495G (en) 1995-06-16

Family

ID=18015294

Family Applications (1)

Application Number Title Priority Date Filing Date
SG6495A SG6495G (en) 1986-12-30 1995-01-16 Tone signal generation device employing a digital filter

Country Status (5)

Country Link
EP (1) EP0273447B1 (ja)
JP (1) JPH0754432B2 (ja)
DE (1) DE3785654T2 (ja)
HK (1) HK168695A (ja)
SG (1) SG6495G (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0285895A (ja) * 1988-09-22 1990-03-27 Casio Comput Co Ltd 電子楽器の楽音波形合成装置
US5086475A (en) * 1988-11-19 1992-02-04 Sony Corporation Apparatus for generating, recording or reproducing sound source data
DE3938311C2 (de) * 1988-11-19 2002-03-28 Sony Computer Entertainment Inc Vorrichtung zum Erzeugen von Quelltondaten
DE3943797B4 (de) * 1988-11-19 2004-11-18 Sony Computer Entertainment Inc. Vorrichtung zum Verarbeiten von Quelltondaten
DE69018687T2 (de) * 1989-04-21 1996-01-25 Yamaha Corp Musiksynthesizer.
US5194681A (en) * 1989-09-22 1993-03-16 Yamaha Corporation Musical tone generating apparatus
JP2576647B2 (ja) * 1989-11-30 1997-01-29 ヤマハ株式会社 波形発生装置
JPH03221997A (ja) * 1990-01-29 1991-09-30 Kawai Musical Instr Mfg Co Ltd 電子楽器
JP2623942B2 (ja) * 1990-09-05 1997-06-25 ヤマハ株式会社 楽音信号発生装置
JP2722907B2 (ja) * 1991-12-13 1998-03-09 ヤマハ株式会社 波形発生装置
US5416264A (en) * 1992-07-27 1995-05-16 Yamaha Corporation Waveform-forming device having memory storing non-compressed/compressed waveform samples
FR2973186A1 (fr) 2011-03-22 2012-09-28 Sagemcom Broadband Sas Procede et dispositif de configuration sur la base de regles de gestion
JP6079982B2 (ja) * 2012-03-05 2017-02-15 カシオ計算機株式会社 楽音発生装置、楽音発生方法およびプログラム

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4036096A (en) * 1974-07-11 1977-07-19 Nippon Gakki Seizo Kabushiki Kaisha Musical tone waveshape generator
JPS5851307B2 (ja) * 1974-07-11 1983-11-15 ヤマハ株式会社 ハケイハツセイソウチ
US4020332A (en) * 1975-09-24 1977-04-26 Bell Telephone Laboratories, Incorporated Interpolation-decimation circuit for increasing or decreasing digital sampling frequency
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
US4245541A (en) * 1979-06-01 1981-01-20 Kawai Musical Instrument Mfg. Co., Ltd. Apparatus for reducing noise in digital to analog conversion
US4256003A (en) * 1979-07-19 1981-03-17 Kawai Musical Instrument Mfg. Co., Ltd. Note frequency generator for an electronic musical instrument
JPS572114A (en) * 1980-06-05 1982-01-07 Casio Comput Co Ltd Digital filter device
JPS572115A (en) * 1980-06-05 1982-01-07 Casio Comput Co Ltd Digital filter device
JPS572116A (en) * 1980-06-05 1982-01-07 Casio Comput Co Ltd Digital filter device
JPS5898793A (ja) * 1981-12-08 1983-06-11 パイオニア株式会社 音声合成装置
JPS5952911A (ja) * 1982-09-20 1984-03-27 Nec Corp トランスバ−サル・フイルタ
JPS61286899A (ja) * 1985-06-14 1986-12-17 赤井電機株式会社 電子楽器
JPH0732343B2 (ja) * 1985-04-17 1995-04-10 日本電気株式会社 非同期標本化周波数変換方式
JPH0631989B2 (ja) * 1985-11-14 1994-04-27 ロ−ランド株式会社 電子楽器の波形発生装置
JPH0631989A (ja) * 1992-07-16 1994-02-08 Olympus Optical Co Ltd ページプリンタの印字制御方法

Also Published As

Publication number Publication date
HK168695A (en) 1995-11-10
EP0273447B1 (en) 1993-04-28
EP0273447A2 (en) 1988-07-06
JPH0754432B2 (ja) 1995-06-07
DE3785654D1 (de) 1993-06-03
EP0273447A3 (en) 1990-03-07
DE3785654T2 (de) 1993-10-07
JPS63168695A (ja) 1988-07-12

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