DE3689305D1 - Tonsignalsbehandlungsvorrichtung. - Google Patents

Tonsignalsbehandlungsvorrichtung.

Info

Publication number
DE3689305D1
DE3689305D1 DE86116328T DE3689305T DE3689305D1 DE 3689305 D1 DE3689305 D1 DE 3689305D1 DE 86116328 T DE86116328 T DE 86116328T DE 3689305 T DE3689305 T DE 3689305T DE 3689305 D1 DE3689305 D1 DE 3689305D1
Authority
DE
Germany
Prior art keywords
processing device
signal processing
sound signal
sound
signal
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
DE86116328T
Other languages
English (en)
Other versions
DE3689305T2 (de
Inventor
Hideo Suzuki
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 JP60267542A external-priority patent/JPS62127899A/ja
Priority claimed from JP60271659A external-priority patent/JPS62131297A/ja
Priority claimed from JP61117522A external-priority patent/JP2668676B2/ja
Priority claimed from JP61121315A external-priority patent/JPH0644702B2/ja
Priority claimed from JP61155067A external-priority patent/JPH0636149B2/ja
Priority claimed from JP61155066A external-priority patent/JPS62129895A/ja
Application filed by Yamaha Corp filed Critical Yamaha Corp
Publication of DE3689305D1 publication Critical patent/DE3689305D1/de
Application granted granted Critical
Publication of DE3689305T2 publication Critical patent/DE3689305T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G10H7/002—Instruments in which the tones are synthesised from a data store, e.g. computer organs using a common processing for different operations or calculations, and a set of microinstructions (programme) to control the sequence thereof
    • 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
    • G10H2250/041—Delay lines applied to musical processing
    • G10H2250/046—Delay lines applied to musical processing with intermediate taps
    • 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
    • G10H2250/471—General musical sound synthesis principles, i.e. sound category-independent synthesis methods
    • G10H2250/481—Formant synthesis, i.e. simulating the human speech production mechanism by exciting formant resonators, e.g. mimicking vocal tract filtering as in LPC synthesis vocoders, wherein musical instruments may be used as excitation signal to the time-varying filter estimated from a singer's speech
    • G10H2250/501—Formant frequency shifting, sliding formants
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S84/00—Music
    • Y10S84/09—Filtering

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrophonic Musical Instruments (AREA)
DE86116328T 1985-11-29 1986-11-25 Tonsignalsbehandlungsvorrichtung. Expired - Fee Related DE3689305T2 (de)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP60267542A JPS62127899A (ja) 1985-11-29 1985-11-29 デイジタルフイルタを用いた楽音信号処理装置
JP60271659A JPS62131297A (ja) 1985-12-04 1985-12-04 電子楽器
JP61117522A JP2668676B2 (ja) 1986-05-23 1986-05-23 フィルタパラメータ供給装置
JP61121315A JPH0644702B2 (ja) 1986-05-28 1986-05-28 デイジタルフイルタ装置
JP61155067A JPH0636149B2 (ja) 1986-07-03 1986-07-03 デイジタルフイルタ装置
JP61155066A JPS62129895A (ja) 1986-07-03 1986-07-03 電子楽器のディジタルフィルタ装置

Publications (2)

Publication Number Publication Date
DE3689305D1 true DE3689305D1 (de) 1993-12-23
DE3689305T2 DE3689305T2 (de) 1994-04-28

Family

ID=27552503

Family Applications (1)

Application Number Title Priority Date Filing Date
DE86116328T Expired - Fee Related DE3689305T2 (de) 1985-11-29 1986-11-25 Tonsignalsbehandlungsvorrichtung.

Country Status (5)

Country Link
US (1) US4841828A (de)
EP (1) EP0229926B1 (de)
DE (1) DE3689305T2 (de)
HK (1) HK134295A (de)
SG (1) SG6795G (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2610139B2 (ja) * 1987-09-05 1997-05-14 ヤマハ株式会社 楽音発生装置
JP2970907B2 (ja) * 1988-04-13 1999-11-02 株式会社ナムコ Ｐｃｍにおけるアナログ信号合成装置
DE3943797B4 (de) * 1988-11-19 2004-11-18 Sony Computer Entertainment Inc. Vorrichtung zum Verarbeiten von Quelltondaten
JPH0769701B2 (ja) * 1989-05-09 1995-07-31 ヤマハ株式会社 楽音波形信号形成装置
JPH03220912A (ja) * 1990-01-26 1991-09-30 Matsushita Electric Ind Co Ltd 信号切り換え装置
US5218155A (en) * 1990-03-30 1993-06-08 Kabushiki Kaisha Kawai Gakki Seisakusho Tone signal processing apparatus for PCM waveform interpolation and filtering
JP2643553B2 (ja) * 1990-07-24 1997-08-20 ヤマハ株式会社 楽音信号処理装置
JP2623942B2 (ja) * 1990-09-05 1997-06-25 ヤマハ株式会社 楽音信号発生装置
US5421342A (en) * 1991-01-18 1995-06-06 Mortara Instrument, Inc. Filter apparatus and method for reducing signal noise using multiple signals obtained from a single source
EP0722162B1 (de) * 1995-01-13 2001-12-05 Yamaha Corporation Vorrichtung zur Verarbeitung eines digitales Klangsignals
US6427158B1 (en) * 2000-12-14 2002-07-30 Texas Instruments Incorporated FIR decimation filter and method
US7738613B1 (en) 2003-03-21 2010-06-15 D2Audio Corporation Streaming multi-channel audio as packetized data or parallel data with a separate input frame sync
US7908306B1 (en) * 2003-03-21 2011-03-15 D2Audio Corp SRC with multiple sets of filter coefficients in memory and a high order coefficient interpolator
US7474722B1 (en) 2003-03-21 2009-01-06 D2Audio Corporation Systems and methods for sample rate conversion using multiple rate estimate counters
US7929718B1 (en) 2003-05-12 2011-04-19 D2Audio Corporation Systems and methods for switching and mixing signals in a multi-channel amplifier
DE102004028694B3 (de) * 2004-06-14 2005-12-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Umsetzen eines Informationssignals in eine Spektraldarstellung mit variabler Auflösung
CN101411063B (zh) * 2006-03-28 2011-11-23 艾利森电话股份有限公司 滤波器自适应频率分辨率
EP2577883A4 (de) * 2010-05-28 2015-07-15 Optis Cellular Technology Llc Verfahren, vorrichtung und system zur antennenkalibrierung

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52121313A (en) * 1976-04-06 1977-10-12 Nippon Gakki Seizo Kk Electronic musical instrument
US4185529A (en) * 1976-12-02 1980-01-29 Kabushiki Kaisha Kawai Gakki Seisakusho Electronic musical instrument
JPS55144296A (en) * 1979-04-27 1980-11-11 Nippon Musical Instruments Mfg Electronic musical instrument
JPS57176096A (en) * 1981-04-23 1982-10-29 Nippon Musical Instruments Mfg Electronic musical instrument
US4433604A (en) * 1981-09-22 1984-02-28 Texas Instruments Incorporated Frequency domain digital encoding technique for musical signals
JPS58111096A (ja) * 1981-12-25 1983-07-01 ヤマハ株式会社 電子楽器のデイジタルフイルタ装置
JPS58142396A (ja) * 1982-02-18 1983-08-24 ヤマハ株式会社 楽音発生装置
US4554858A (en) * 1982-08-13 1985-11-26 Nippon Gakki Seizo Kabushiki Kaisha Digital filter for an electronic musical instrument
JPS5944096A (ja) * 1982-09-06 1984-03-12 ヤマハ株式会社 電子楽器のデイジタルフイルタ装置
JPS6052895A (ja) * 1983-09-02 1985-03-26 ヤマハ株式会社 楽音信号発生装置
US4633749A (en) * 1984-01-12 1987-01-06 Nippon Gakki Seizo Kabushiki Kaisha Tone signal generation device for an electronic musical instrument
JPS6190514A (ja) * 1984-10-11 1986-05-08 Nippon Gakki Seizo Kk 楽音信号処理装置
JPH0642149B2 (ja) * 1985-04-08 1994-06-01 株式会社河合楽器製作所 電子楽器

Also Published As

Publication number Publication date
SG6795G (en) 1995-06-16
US4841828A (en) 1989-06-27
EP0229926A2 (de) 1987-07-29
EP0229926A3 (en) 1989-11-15
DE3689305T2 (de) 1994-04-28
HK134295A (en) 1995-09-01
EP0229926B1 (de) 1993-11-18

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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