DE3688600D1 - Musikinstrument mit digitalem filter mit programmierten variablen koeffizienten. - Google Patents

Musikinstrument mit digitalem filter mit programmierten variablen koeffizienten.

Info

Publication number
DE3688600D1
DE3688600D1 DE8686104258T DE3688600T DE3688600D1 DE 3688600 D1 DE3688600 D1 DE 3688600D1 DE 8686104258 T DE8686104258 T DE 8686104258T DE 3688600 T DE3688600 T DE 3688600T DE 3688600 D1 DE3688600 D1 DE 3688600D1
Authority
DE
Germany
Prior art keywords
digital filter
music instrument
variable coefficients
programmed variable
programmed
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
DE8686104258T
Other languages
English (en)
Other versions
DE3688600T2 (de
Inventor
Masahiro Kakishita
Hiroshi Katsumoto
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.)
CHARACTER RUN LTD., TORTOLA, VG
Original Assignee
Akai Electric 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
Priority claimed from JP6477385A external-priority patent/JPS61222313A/ja
Priority claimed from JP60130521A external-priority patent/JPS61286899A/ja
Application filed by Akai Electric Co Ltd filed Critical Akai Electric Co Ltd
Application granted granted Critical
Publication of DE3688600D1 publication Critical patent/DE3688600D1/de
Publication of DE3688600T2 publication Critical patent/DE3688600T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0294—Variable filters; Programmable filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/04—Recursive filters
    • 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Electrophonic Musical Instruments (AREA)
DE86104258T 1985-03-27 1986-03-27 Musikinstrument mit digitalem Filter mit programmierten variablen Koeffizienten. Expired - Fee Related DE3688600T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6477385A JPS61222313A (ja) 1985-03-27 1985-03-27 時変デイジタルフイルタ
JP60130521A JPS61286899A (ja) 1985-06-14 1985-06-14 電子楽器

Publications (2)

Publication Number Publication Date
DE3688600D1 true DE3688600D1 (de) 1993-07-29
DE3688600T2 DE3688600T2 (de) 1993-10-07

Family

ID=26405883

Family Applications (1)

Application Number Title Priority Date Filing Date
DE86104258T Expired - Fee Related DE3688600T2 (de) 1985-03-27 1986-03-27 Musikinstrument mit digitalem Filter mit programmierten variablen Koeffizienten.

Country Status (3)

Country Link
US (1) US4829463A (de)
EP (1) EP0198293B1 (de)
DE (1) DE3688600T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4931973A (en) * 1986-07-30 1990-06-05 Asghar Safdar M Method of generating updated transversal filter coefficients
US4907484A (en) * 1986-11-02 1990-03-13 Yamaha Corporation Tone signal processing device using a digital filter
US4947363A (en) * 1988-12-12 1990-08-07 Motorola, Inc. Pipelined processor for implementing the least-mean-squares algorithm
US5371317A (en) * 1989-04-20 1994-12-06 Yamaha Corporation Musical tone synthesizing apparatus with sound hole simulation
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
JP2751470B2 (ja) * 1989-10-11 1998-05-18 ヤマハ株式会社 電子楽器のフィルタ装置
US5255215A (en) * 1989-11-07 1993-10-19 Casio Computer Co., Ltd. Digital filter system with changeable cutoff frequency
US5140541A (en) * 1989-11-07 1992-08-18 Casio Computer Co., Ltd. Digital filter system with changeable cutoff frequency
US5342990A (en) * 1990-01-05 1994-08-30 E-Mu Systems, Inc. Digital sampling instrument employing cache-memory
JP2508340B2 (ja) * 1990-02-14 1996-06-19 ヤマハ株式会社 楽音波形信号形成装置
US6693951B1 (en) * 1990-06-25 2004-02-17 Qualcomm Incorporated System and method for generating signal waveforms in a CDMA cellular telephone system
US5659569A (en) * 1990-06-25 1997-08-19 Qualcomm Incorporated Data burst randomizer
JP3177978B2 (ja) * 1990-07-18 2001-06-18 カシオ計算機株式会社 デジタルフィルタの係数設定方法
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
JP2504314B2 (ja) * 1990-09-07 1996-06-05 ヤマハ株式会社 楽音合成装置
DE69020568D1 (de) * 1990-10-30 1995-08-03 Ibm Selbsttrainierendes adaptives Entzerrungsverfahren und -vorrichtung.
JP2779983B2 (ja) * 1991-07-29 1998-07-23 株式会社河合楽器製作所 電子楽器
US5252819A (en) * 1991-11-13 1993-10-12 The Boeing Company Scanning sensor processing apparatus and method for providing correction of output signal distortion
WO1993011647A1 (en) * 1991-11-28 1993-06-10 Kabushiki Kaisha Kenwood Device for correcting frequency characteristic of sound field
JP2892205B2 (ja) * 1991-11-28 1999-05-17 株式会社ケンウッド 伝送周波数特性補正装置
US5392315A (en) * 1992-08-26 1995-02-21 Zenith Eletronics Corporation FIR filter coefficient updating system
JP3693367B2 (ja) * 1994-07-28 2005-09-07 富士通株式会社 積和演算器
US20060282261A1 (en) * 2005-06-13 2006-12-14 Andrej Petef Sample rate control in pitching audio systems
US20070230355A1 (en) * 2006-03-30 2007-10-04 Advantest Corporation Test apparatus and test method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2488756B1 (fr) * 1980-08-12 1988-10-21 Matra Perfectionnements apportes aux filtres numeriques, et application de tels filtres numeriques a la demodulation
US4433604A (en) * 1981-09-22 1984-02-28 Texas Instruments Incorporated Frequency domain digital encoding technique for musical signals
US4475228A (en) * 1981-11-27 1984-10-02 Bally Manufacturing Corporation Programmable sound circuit for electronic games
JPS59231082A (ja) * 1983-06-14 1984-12-25 Kanebo Ltd ４−クロロ−４−メチル−５−メチレン−１，３−ジオキソラン−２−オン
US4703447A (en) * 1985-04-05 1987-10-27 The Grass Valley Group, Inc. Mixer controlled variable passband finite impulse response filter

Also Published As

Publication number Publication date
EP0198293A2 (de) 1986-10-22
DE3688600T2 (de) 1993-10-07
EP0198293B1 (de) 1993-06-23
EP0198293A3 (en) 1989-02-08
US4829463A (en) 1989-05-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: CHARACTER RUN LTD., TORTOLA, VG

8328 Change in the person/name/address of the agent

Free format text: STREHL, SCHUEBEL-HOPF & PARTNER, 80538 MUENCHEN

8339 Ceased/non-payment of the annual fee