FR2739991B1 - Dispositif de filtrage numerique - Google Patents

Dispositif de filtrage numerique

Info

Publication number
FR2739991B1
FR2739991B1 FR9612432A FR9612432A FR2739991B1 FR 2739991 B1 FR2739991 B1 FR 2739991B1 FR 9612432 A FR9612432 A FR 9612432A FR 9612432 A FR9612432 A FR 9612432A FR 2739991 B1 FR2739991 B1 FR 2739991B1
Authority
FR
France
Prior art keywords
filtering device
digital filtering
digital
filtering
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
FR9612432A
Other languages
English (en)
Other versions
FR2739991A1 (fr
Inventor
Naomasa Ishibata
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.)
Ricoh Co Ltd
Original Assignee
Ricoh 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of FR2739991A1 publication Critical patent/FR2739991A1/fr
Application granted granted Critical
Publication of FR2739991B1 publication Critical patent/FR2739991B1/fr
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
    • H03H17/0223—Computation saving measures; Accelerating measures
    • H03H17/0227—Measures concerning the coefficients
    • H03H17/023—Measures concerning the coefficients reducing the wordlength, the possible values of coefficients
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Computing Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Complex Calculations (AREA)
  • Filters That Use Time-Delay Elements (AREA)
FR9612432A 1995-10-13 1996-10-11 Dispositif de filtrage numerique Expired - Fee Related FR2739991B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7265831A JPH09116387A (ja) 1995-10-13 1995-10-13 デジタルフィルタ

Publications (2)

Publication Number Publication Date
FR2739991A1 FR2739991A1 (fr) 1997-04-18
FR2739991B1 true FR2739991B1 (fr) 2001-11-30

Family

ID=17422667

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9612432A Expired - Fee Related FR2739991B1 (fr) 1995-10-13 1996-10-11 Dispositif de filtrage numerique

Country Status (4)

Country Link
US (1) US5798954A (fr)
JP (1) JPH09116387A (fr)
CN (1) CN1099071C (fr)
FR (1) FR2739991B1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19738226C1 (de) * 1997-09-02 1999-02-04 Telefunken Microelectron Digitale, durchstimmbare Filteranordnung
US6112218A (en) * 1998-03-30 2000-08-29 Texas Instruments Incorporated Digital filter with efficient quantization circuitry
US6711599B2 (en) 1999-12-03 2004-03-23 Texas Instruments Incorporated Limit-cycle-absent allpass filter lattice structure
JP2001250115A (ja) * 2000-03-03 2001-09-14 Sony Computer Entertainment Inc ディジタルフィルタ
FR2808139B1 (fr) * 2000-04-25 2003-01-03 Saint Louis Inst Procede de filtrage a large dynamique pour filtre numerique recursif implante dans un processeur de signal dsp travaillant avec des nombres entiers
US7986932B1 (en) 2002-11-19 2011-07-26 National Semiconductor Corporation Fixed point FIR filter with adaptive truncation and clipping and wireless mobile station using same
US8321489B2 (en) 2006-09-15 2012-11-27 National Semiconductor Corporation Software reconfigurable digital phase lock loop architecture
DE102012216897B4 (de) * 2012-09-20 2014-09-11 Siemens Aktiengesellschaft Methoden zur Minimierung eines Truncation- Fehlers bei einem MRT
JP6015386B2 (ja) * 2012-11-29 2016-10-26 富士通株式会社 歪補償装置及び歪補償方法
CN104218918A (zh) * 2013-05-30 2014-12-17 无锡华润矽科微电子有限公司 实现asic音频处理功能的直流滤波电路

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2027303C3 (de) * 1970-06-03 1975-09-04 Siemens Ag, 1000 Berlin Und 8000 Muenchen Filter mit frequenzabhängigen Übertragungseigenschaften für elektrische Analogsignale
US4321685A (en) * 1978-11-20 1982-03-23 Masao Kasuga Circuit for reducing the limit cycle in a digital filter
JPS5571316A (en) * 1978-11-24 1980-05-29 Hitachi Ltd Recursive digital filter
US4213187A (en) * 1978-12-14 1980-07-15 Bell Telephone Laboratories, Incorporated Digital filters with control of limit cycles
US4356559A (en) * 1980-08-01 1982-10-26 Bell Telephone Laboratories, Incorporated Logic arrangement for recursive digital filter
EP0266004B1 (fr) * 1986-10-27 1994-01-12 Koninklijke Philips Electronics N.V. Filtre numérique non récursif avec des coefficients de multiplication du type puissance-deux
US4791597A (en) * 1986-10-27 1988-12-13 North American Philips Corporation Multiplierless FIR digital filter with two to the Nth power coefficients
JPS63224408A (ja) * 1987-03-13 1988-09-19 Fuji Xerox Co Ltd デイジタルフイルタシステム
JPH01145699A (ja) * 1987-12-02 1989-06-07 Nippon Precision Circuits Kk 音声信号再生回路
JP2957183B2 (ja) * 1988-07-29 1999-10-04 日本電気株式会社 巡回型ディジタルフィルタ
JPH0537299A (ja) * 1991-04-12 1993-02-12 Sony Corp 巡回形デイジタルフイルタ
JPH05219475A (ja) * 1992-01-31 1993-08-27 Sony Corp エンファシス回路
JP3297880B2 (ja) * 1992-03-18 2002-07-02 テキサス インスツルメンツ インコーポレイテツド Ｉｉｒディジタル・フィルタ
US5287299A (en) * 1992-05-26 1994-02-15 Monolith Technologies Corporation Method and apparatus for implementing a digital filter employing coefficients expressed as sums of 2 to an integer power
US5339264A (en) * 1992-07-27 1994-08-16 Tektronix, Inc. Symmetric transposed FIR digital filter
US5477479A (en) * 1993-03-08 1995-12-19 Nkk Corporation Multiplying system having multi-stages for processing a digital signal based on the Booth's algorithm
US5499375A (en) * 1993-06-03 1996-03-12 Texas Instruments Incorporated Feedback register configuration for a synchronous vector processor employing delayed and non-delayed algorithms

Also Published As

Publication number Publication date
FR2739991A1 (fr) 1997-04-18
US5798954A (en) 1998-08-25
CN1158515A (zh) 1997-09-03
JPH09116387A (ja) 1997-05-02
CN1099071C (zh) 2003-01-15

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20100630