DE3750828T2 - Vorrichtung zur Musiktonerzeugung. - Google Patents

Vorrichtung zur Musiktonerzeugung.

Info

Publication number
DE3750828T2
DE3750828T2 DE3750828T DE3750828T DE3750828T2 DE 3750828 T2 DE3750828 T2 DE 3750828T2 DE 3750828 T DE3750828 T DE 3750828T DE 3750828 T DE3750828 T DE 3750828T DE 3750828 T2 DE3750828 T2 DE 3750828T2
Authority
DE
Germany
Prior art keywords
musical tones
generating musical
generating
tones
musical
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
DE3750828T
Other languages
English (en)
Other versions
DE3750828D1 (de
Inventor
Hideo C O Nippon Gakki Suzuki
Masaki C O Nippon Gakki Kudo
Yasushi C O Nippon Ga Kurakake
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.)
Yamaha Corp
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
Priority claimed from JP61086833A external-priority patent/JPH0776873B2/ja
Priority claimed from JP61086832A external-priority patent/JPH0776872B2/ja
Priority claimed from JP61086834A external-priority patent/JP2603922B2/ja
Priority claimed from JP61086835A external-priority patent/JP2716088B2/ja
Application filed by Yamaha Corp filed Critical Yamaha Corp
Publication of DE3750828D1 publication Critical patent/DE3750828D1/de
Application granted granted Critical
Publication of DE3750828T2 publication Critical patent/DE3750828T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/04—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM]
    • H03M3/042—Differential modulation with several bits, e.g. differential pulse code modulation [DPCM] with adaptable step size, e.g. adaptive differential pulse code modulation [ADPCM]
    • 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
    • G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
    • G10H1/0041—Recording/reproducing or transmission of music for electrophonic musical instruments in coded form
    • 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
    • G10H1/18—Selecting circuits
    • G10H1/26—Selecting circuits for automatically producing a series of 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
    • 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
    • G10H2250/541—Details of musical waveform synthesis, i.e. audio waveshape processing from individual wavetable samples, independently of their origin or of the sound they represent
    • G10H2250/571—Waveform compression, adapted for music synthesisers, sound banks or wavetables
    • G10H2250/591—DPCM [delta pulse code modulation]
    • G10H2250/595—ADPCM [adaptive differential pulse code modulation]
    • 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
    • G10H2250/571—Waveform compression, adapted for music synthesisers, sound banks or wavetables
    • G10H2250/601—Compressed representations of spectral envelopes, e.g. LPC [linear predictive coding], LAR [log area ratios], LSP [line spectral pairs], reflection coefficients
DE3750828T 1986-04-15 1987-04-14 Vorrichtung zur Musiktonerzeugung. Expired - Fee Related DE3750828T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP61086833A JPH0776873B2 (ja) 1986-04-15 1986-04-15 楽音信号発生装置
JP61086832A JPH0776872B2 (ja) 1986-04-15 1986-04-15 楽音信号発生装置
JP61086834A JP2603922B2 (ja) 1986-04-15 1986-04-15 楽音信号発生装置
JP61086835A JP2716088B2 (ja) 1986-04-15 1986-04-15 楽音信号発生装置

Publications (2)

Publication Number Publication Date
DE3750828D1 DE3750828D1 (de) 1995-01-19
DE3750828T2 true DE3750828T2 (de) 1995-04-27

Family

ID=27467306

Family Applications (3)

Application Number Title Priority Date Filing Date
DE3752090T Expired - Fee Related DE3752090T2 (de) 1986-04-15 1987-04-14 Vorrichtung zur Musiktonerzeugung
DE3750828T Expired - Fee Related DE3750828T2 (de) 1986-04-15 1987-04-14 Vorrichtung zur Musiktonerzeugung.
DE3752098T Expired - Lifetime DE3752098T2 (de) 1986-04-15 1987-04-14 Vorrichtung zur Musiktonerzeugung

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3752090T Expired - Fee Related DE3752090T2 (de) 1986-04-15 1987-04-14 Vorrichtung zur Musiktonerzeugung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3752098T Expired - Lifetime DE3752098T2 (de) 1986-04-15 1987-04-14 Vorrichtung zur Musiktonerzeugung

Country Status (4)

Country Link
US (1) US4916996A (de)
EP (3) EP0548046B1 (de)
DE (3) DE3752090T2 (de)
HK (1) HK1002146A1 (de)

Families Citing this family (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0196700A (ja) * 1987-10-08 1989-04-14 Casio Comput Co Ltd 電子楽器の入力制御装置
US4915008A (en) * 1987-10-14 1990-04-10 Casio Computer Co., Ltd. Air flow response type electronic musical instrument
JPH01269994A (ja) * 1988-04-21 1989-10-27 Yamaha Corp 楽音信号発生装置
US5168116A (en) * 1988-11-02 1992-12-01 Yamaha Corporation Method and device for compressing signals of plural channels
US5245126A (en) * 1988-11-07 1993-09-14 Kawai Musical Inst. Mfg. Co., Ltd. Waveform generation system with reduced memory requirement, for use in an electronic musical instrument
DE3943796C2 (de) * 1988-11-19 2002-09-12 Sony Computer Entertainment Inc Vorrichtung zum komprimierenden Kodieren von Quelltondaten
US5086475A (en) * 1988-11-19 1992-02-04 Sony Corporation Apparatus for generating, recording or reproducing sound source data
DE3938312C2 (de) * 1988-11-19 2002-03-28 Sony Computer Entertainment Inc Verfahren zum Erzeugen von Quelltondaten
DE3943801B4 (de) * 1988-11-19 2004-09-16 Sony Computer Entertainment Inc. Vorrichtung zum Erzeugen von Quelltondaten
US5430241A (en) * 1988-11-19 1995-07-04 Sony Corporation Signal processing method and sound source data forming apparatus
US5693901A (en) * 1995-04-17 1997-12-02 Kabushiki Kaisha Kawai Gakki Seisakusho Electronic musical instrument
JP2605434B2 (ja) * 1989-12-09 1997-04-30 ヤマハ株式会社 電子楽器のデータ発生装置
DE4190031T (de) * 1990-01-18 1992-03-12
DE4190102B4 (de) * 1990-01-18 2005-04-14 E-MU Systems, Inc., Scotts Valley Datenverdichtung von Tondaten
JPH0820872B2 (ja) * 1990-03-20 1996-03-04 ヤマハ株式会社 波形発生装置
US5329062A (en) * 1990-07-31 1994-07-12 Casio Computer Co., Ltd. Method of recording/reproducing waveform and apparatus for reproducing waveform
JP2999806B2 (ja) * 1990-07-31 2000-01-17 株式会社河合楽器製作所 楽音発生装置
JP2602458B2 (ja) * 1990-10-18 1997-04-23 株式会社河合楽器製作所 自動演奏装置
US5347478A (en) * 1991-06-09 1994-09-13 Yamaha Corporation Method of and device for compressing and reproducing waveform data
JPH0573046A (ja) * 1991-06-27 1993-03-26 Yamaha Corp 楽音信号演算処理装置
JP3166218B2 (ja) * 1991-08-08 2001-05-14 カシオ計算機株式会社 データ圧縮伸張装置およびそれを用いた電子楽器
US5357045A (en) * 1991-10-24 1994-10-18 Nec Corporation Repetitive PCM data developing device
US5248845A (en) * 1992-03-20 1993-09-28 E-Mu Systems, Inc. Digital sampling instrument
US5416264A (en) * 1992-07-27 1995-05-16 Yamaha Corporation Waveform-forming device having memory storing non-compressed/compressed waveform samples
US5665927A (en) * 1993-06-30 1997-09-09 Casio Computer Co., Ltd. Method and apparatus for inputting musical data without requiring selection of a displayed icon
US5544251A (en) * 1994-01-14 1996-08-06 Intel Corporation Process and apparatus for pseudo-SIMD processing of image data
US5639978A (en) * 1994-10-14 1997-06-17 Kabushiki Kaisha Kawai Gakki Seisakusho Musical tone signal generating apparatus for electronic musical instrument
JPH08129386A (ja) * 1994-10-31 1996-05-21 Yamaha Corp 電子楽器
US6272465B1 (en) 1994-11-02 2001-08-07 Legerity, Inc. Monolithic PC audio circuit
US6246774B1 (en) 1994-11-02 2001-06-12 Advanced Micro Devices, Inc. Wavetable audio synthesizer with multiple volume components and two modes of stereo positioning
US6047073A (en) * 1994-11-02 2000-04-04 Advanced Micro Devices, Inc. Digital wavetable audio synthesizer with delay-based effects processing
US5742695A (en) * 1994-11-02 1998-04-21 Advanced Micro Devices, Inc. Wavetable audio synthesizer with waveform volume control for eliminating zipper noise
US5883324A (en) * 1994-12-14 1999-03-16 Kabushiki Kaisha Kawai Gakki Seisakusho Signal generating apparatus and signal generating method
DE69623866T2 (de) * 1995-06-19 2003-05-28 Yamaha Corp Verfahren und Vorrichtung zur Bildung einer Tonwellenform durch kombinierte Verwendung von verschiedenen Auflösungen der Abtastwerte der Wellenformen
US5753841A (en) * 1995-08-17 1998-05-19 Advanced Micro Devices, Inc. PC audio system with wavetable cache
US5847304A (en) * 1995-08-17 1998-12-08 Advanced Micro Devices, Inc. PC audio system with frequency compensated wavetable data
US5998725A (en) * 1996-07-23 1999-12-07 Yamaha Corporation Musical sound synthesizer and storage medium therefor
US5872727A (en) * 1996-11-19 1999-02-16 Industrial Technology Research Institute Pitch shift method with conserved timbre
KR100532988B1 (ko) * 1998-12-03 2006-02-28 엘지전자 주식회사 핸드 피씨의 음성재생기
FI19992510A (fi) * 1999-11-24 2001-05-25 Nokia Mobile Phones Ltd Elektroniikkalaite ja menetelmä elektroniikkalaitteessa
JP4012682B2 (ja) * 2000-12-04 2007-11-21 ヤマハ株式会社 音源システム

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4133241A (en) * 1975-05-27 1979-01-09 Nippon Gakki Seizo Kabushiki Kaisha Electronic musical instrument utilizing recursive algorithm
JPS52121313A (en) * 1976-04-06 1977-10-12 Nippon Gakki Seizo Kk Electronic musical instrument
GB2066005A (en) * 1979-12-21 1981-07-01 Philips Electronic Associated A tone generator for producing a tone signal from a digital signal
US4661915A (en) * 1981-08-03 1987-04-28 Texas Instruments Incorporated Allophone vocoder
US4731847A (en) * 1982-04-26 1988-03-15 Texas Instruments Incorporated Electronic apparatus for simulating singing of song
US4518950A (en) * 1982-10-22 1985-05-21 At&T Bell Laboratories Digital code converter
JPS59168492A (ja) * 1983-03-16 1984-09-22 ヤマハ株式会社 楽音波形発生装置
JPS59188697A (ja) * 1983-04-11 1984-10-26 ヤマハ株式会社 楽音発生装置
JPS59212382A (ja) 1983-05-13 1984-12-01 神鋼電機株式会社 釣上電磁石の制御装置
JPS59212383A (ja) * 1983-05-13 1984-12-01 神鋼電機株式会社 釣上電磁石の制御装置
JPS6031189A (ja) * 1983-07-30 1985-02-16 カシオ計算機株式会社 楽音発生装置
JPS6055398A (ja) 1983-09-07 1985-03-30 ヤマハ株式会社 電子楽器における波形形成方法
JPS60119672A (ja) * 1983-12-02 1985-06-27 Victor Co Of Japan Ltd 楽器音符号の読出装置
US4633749A (en) * 1984-01-12 1987-01-06 Nippon Gakki Seizo Kabushiki Kaisha Tone signal generation device for an electronic musical instrument
JPS6145298A (ja) * 1984-08-09 1986-03-05 カシオ計算機株式会社 電子楽器
US4781096A (en) * 1984-10-09 1988-11-01 Nippon Gakki Seizo Kabushiki Kaisha Musical tone generating apparatus
CA1249061A (en) * 1984-12-25 1989-01-17 Takashi Mochizuki Method and apparatus for encoding/decoding image signal
JPH0631986B2 (ja) * 1985-10-15 1994-04-27 ヤマハ株式会社 楽音発生装置

Also Published As

Publication number Publication date
DE3752090T2 (de) 1998-02-19
EP0241922A2 (de) 1987-10-21
HK1002146A1 (en) 1998-07-31
EP0548046A2 (de) 1993-06-23
US4916996A (en) 1990-04-17
DE3752098D1 (de) 1997-09-04
DE3750828D1 (de) 1995-01-19
EP0548046A3 (en) 1993-08-25
EP0241922B1 (de) 1994-12-07
DE3752090D1 (de) 1997-08-14
EP0548045A2 (de) 1993-06-23
EP0241922A3 (en) 1989-12-06
EP0548046B1 (de) 1997-07-09
DE3752098T2 (de) 1998-02-19
EP0548045B1 (de) 1997-07-30
EP0548045A3 (en) 1993-08-25

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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