DE69428987D1 - Digital/Digital-Abtastratenumsetzer - Google Patents
Digital/Digital-AbtastratenumsetzerInfo
- 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
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)
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) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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)
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 |
-
1994
- 1994-07-25 EP EP94111557A patent/EP0695032B1/de not_active Expired - Lifetime
- 1994-07-25 DE DE69428987T patent/DE69428987T2/de not_active Expired - Fee Related
- 1994-12-23 US US08/362,912 patent/US5621404A/en not_active Expired - Fee Related
-
1995
- 1995-07-12 JP JP7176224A patent/JPH0846484A/ja active Pending
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 |