DE69428987D1 - Digital/Digital-Abtastratenumsetzer - Google Patents

Digital/Digital-Abtastratenumsetzer

Info

Publication number
DE69428987D1
DE69428987D1 DE69428987T DE69428987T DE69428987D1 DE 69428987 D1 DE69428987 D1 DE 69428987D1 DE 69428987 T DE69428987 T DE 69428987T DE 69428987 T DE69428987 T DE 69428987T DE 69428987 D1 DE69428987 D1 DE 69428987D1
Authority
DE
Germany
Prior art keywords
digital
sample rate
rate converter
digital sample
converter
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
DE69428987T
Other languages
English (en)
Other versions
DE69428987T2 (de
Inventor
Dr Rainer Heiss
Markus Schu
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Publication of DE69428987D1 publication Critical patent/DE69428987D1/de
Application granted granted Critical
Publication of DE69428987T2 publication Critical patent/DE69428987T2/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
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/028—Polynomial 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
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/0642—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being arbitrary or irrational
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters
    • H03H17/0621—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies
    • H03H17/0685—Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing characterized by the ratio between the input-sampling and output-delivery frequencies the ratio being rational

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Image Processing (AREA)
DE69428987T 1994-07-25 1994-07-25 Digital/Digital-Abtastratenumsetzer Expired - Fee Related DE69428987T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94111557A EP0695032B1 (de) 1994-07-25 1994-07-25 Digital/Digital-Abtastratenumsetzer

Publications (2)

Publication Number Publication Date
DE69428987D1 true DE69428987D1 (de) 2001-12-13
DE69428987T2 DE69428987T2 (de) 2002-04-04

Family

ID=8216146

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69428987T Expired - Fee Related DE69428987T2 (de) 1994-07-25 1994-07-25 Digital/Digital-Abtastratenumsetzer

Country Status (4)

Country Link
US (1) US5621404A (de)
EP (1) EP0695032B1 (de)
JP (1) JPH0846484A (de)
DE (1) DE69428987T2 (de)

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FI98584C (fi) * 1995-05-05 1997-07-10 Nokia Technology Gmbh Menetelmä ja piirijärjestely vastaanotetun signaalin käsittelemiseksi
DE19526332A1 (de) * 1995-07-19 1997-01-23 Sel Alcatel Ag Einrichtung und Verfahren zum Übertragen von digitalisierten Signalen
KR0178742B1 (ko) * 1995-10-21 1999-05-01 김광호 데이타압신을 위한 메모리제어신호 및 어드레스발생장치
US5768311A (en) * 1995-12-22 1998-06-16 Paradyne Corporation Interpolation system for fixed sample rate signal processing
KR0165512B1 (ko) * 1996-01-29 1999-03-20 김광호 면적영향 상관방법 및 이를 이용한 디지탈 영상신호에 대한 클럭레이트 변환방법 및 장치
US5818888A (en) * 1997-02-26 1998-10-06 Ericsson, Inc. Sample rate converter
WO1998041011A1 (en) * 1997-03-12 1998-09-17 Matsushita Electric Industrial Co., Ltd. Hdtv downconversion system
US5928313A (en) * 1997-05-05 1999-07-27 Apple Computer, Inc. Method and apparatus for sample rate conversion
JP3836947B2 (ja) * 1997-06-20 2006-10-25 パイオニア株式会社 サンプリングレート変換ユニット、サンプリングレート変換装置及びサンプリングレート変換方法
US5838600A (en) * 1997-08-18 1998-11-17 Thomson Consumer Electronics DC gain invariant filter implementation
US5903232A (en) * 1997-10-03 1999-05-11 Motorola Inc. Apparatus and method for sampling rate conversion with rational factors
JPH11239040A (ja) * 1997-12-20 1999-08-31 Matsushita Electric Ind Co Ltd ディジタルフィルタおよび通信装置
US6249766B1 (en) * 1998-03-10 2001-06-19 Siemens Corporate Research, Inc. Real-time down-sampling system for digital audio waveform data
WO1999056427A2 (en) * 1998-04-27 1999-11-04 Koninklijke Philips Electronics N.V. Sample rate converter using polynomial interpolation
DE19842421A1 (de) * 1998-09-16 1999-12-23 Siemens Ag Digitale Filterstruktur
US6408322B1 (en) 1999-02-17 2002-06-18 Thomson Licensing S.A. Apparatus and method for anchoring predetermined points of the impulse frequency response of a physically-realized filter
DE19919575C1 (de) * 1999-04-29 2001-01-11 Siemens Ag Kammfilteranordnung zur Dezimation einer Folge von digitalen Eingangswerten in eine Folge von digitalen Ausgangswerten um einen nicht ganzzahligen Faktor
DE10015700B4 (de) * 2000-03-27 2005-12-22 Signalion Gmbh Verfahren und Schaltungsanordnung zur Abtastratenwandlung digitaler Signale
DE10112275B4 (de) 2001-03-14 2005-01-20 Rohde & Schwarz Gmbh & Co. Kg Interpolator
US6531969B2 (en) * 2001-05-02 2003-03-11 Portalplayer, Inc. Resampling system and apparatus
FR2826816B1 (fr) * 2001-06-29 2003-09-26 St Microelectronics Sa Dispositif de conversion d'une sequence d'echantillons numeriques
US6396421B1 (en) * 2001-07-31 2002-05-28 Wind River Systems, Inc. Method and system for sampling rate conversion in digital audio applications
WO2003028213A1 (en) * 2001-09-28 2003-04-03 Stmicroelectronics Asia Pacific Pte Ltd. Non-uniform filter bank implementation
US7248189B2 (en) * 2002-11-06 2007-07-24 Edgewater Computer Systems, Inc. Programmable sample rate conversion engine for wideband systems
FR2849330A1 (fr) * 2002-12-18 2004-06-25 Koninkl Philips Electronics Nv Convertisseur numerique de frequence d'echantillonnage
JP4029744B2 (ja) * 2003-03-07 2008-01-09 株式会社デンソー データ通信システム及び乗員保護装置
CN100399703C (zh) * 2003-06-09 2008-07-02 瑞昱半导体股份有限公司 取样频率的转换装置与方法及其应用
US6870492B1 (en) * 2004-04-08 2005-03-22 Broadcom Corporation Method of near-unity fractional sampling rate alteration for high fidelity digital audio
US7378996B2 (en) 2004-08-30 2008-05-27 Matsushita Electric Industrial Co., Ltd. Sampling rate conversion calculating apparatus
JP4544090B2 (ja) * 2005-08-11 2010-09-15 富士電機リテイルシステムズ株式会社 時系列データの等長圧縮方法
CN101283520B (zh) 2005-10-03 2012-09-26 日本电气株式会社 包括均衡器的信号接收设备、终端设备及信号接收方法
US8446935B2 (en) * 2008-09-05 2013-05-21 Icera, Inc. Method and circuit for fractional rate pulse shaping
KR20120090510A (ko) * 2011-02-08 2012-08-17 삼성전자주식회사 통신시스템에서 샘플링 레이트가 변환된 신호를 생성하는 방법 및 장치
US8654821B2 (en) 2011-03-07 2014-02-18 Icera, Inc. Method and circuit for fractional rate pulse shaping
KR101240846B1 (ko) 2011-09-02 2013-03-11 삼성전기주식회사 디지털 신호 변환기 및 디지털 신호 변환 방법
WO2015038578A2 (en) * 2013-09-12 2015-03-19 Dolby Laboratories Licensing Corporation System aspects of an audio codec

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3126635A1 (de) * 1981-07-06 1983-01-20 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur wandlung der zeilenzahl
NL8400073A (nl) * 1984-01-10 1985-08-01 Philips Nv Interpolerende filterinrichting met niet-rationale verhouding tussen de ingangs- en uitgangsbemonsterfrequentie.
EP0356597B1 (de) * 1988-08-30 1994-03-30 International Business Machines Corporation Massnahmen zur Verbesserung des Verfahrens und Vorrichtung eines digitalen Frequenzumsetzungsfilters
JPH05283978A (ja) * 1992-03-31 1993-10-29 Sony Corp サンプリングレート変換装置
EP0719477A1 (de) * 1993-09-13 1996-07-03 Analog Devices, Inc. Analog-digital-wandlung mit nicht-uniformen abtastraten

Also Published As

Publication number Publication date
US5621404A (en) 1997-04-15
EP0695032B1 (de) 2001-11-07
JPH0846484A (ja) 1996-02-16
EP0695032A1 (de) 1996-01-31
DE69428987T2 (de) 2002-04-04

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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