DE60219064D1 - Aufwartsabtaster-, abtastrateumsetzungs- und abtastfrequenzerniedrigungsstufen enthaltendes zeitdiskretes filter - Google Patents

Aufwartsabtaster-, abtastrateumsetzungs- und abtastfrequenzerniedrigungsstufen enthaltendes zeitdiskretes filter

Info

Publication number
DE60219064D1
DE60219064D1 DE60219064T DE60219064T DE60219064D1 DE 60219064 D1 DE60219064 D1 DE 60219064D1 DE 60219064 T DE60219064 T DE 60219064T DE 60219064 T DE60219064 T DE 60219064T DE 60219064 D1 DE60219064 D1 DE 60219064D1
Authority
DE
Germany
Prior art keywords
sampling
sampler
time discrete
frequency levels
containing time
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 - Lifetime
Application number
DE60219064T
Other languages
English (en)
Other versions
DE60219064T2 (de
Inventor
Den Enden Adrianus W Van
Marc V Arends
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.)
NXP BV
Original Assignee
Koninklijke Philips Electronics NV
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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Application granted granted Critical
Publication of DE60219064D1 publication Critical patent/DE60219064D1/de
Publication of DE60219064T2 publication Critical patent/DE60219064T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/04Recursive filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0248Filters characterised by a particular frequency response or filtering method
    • H03H17/0264Filter sets with mutual related characteristics
    • H03H17/0273Polyphase filters
    • H03H17/0275Polyphase filters comprising non-recursive filters
    • H03H17/0276Polyphase filters comprising non-recursive filters having two phases
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/04Recursive filters
    • H03H17/0416Recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0427Recursive 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
    • H03H17/0438Recursive 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 integer
    • H03H17/045Recursive 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 integer where the output-delivery frequency is lower than the input sampling frequency, i.e. decimation
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/06Non-recursive filters
    • H03H17/0621Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635Non-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
    • H03H17/065Non-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 integer
    • H03H17/0657Non-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 integer where the output-delivery frequency is higher than the input sampling frequency, i.e. interpolation
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/06Non-recursive filters
    • H03H17/0621Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635Non-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
    • H03H17/065Non-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 integer
    • H03H17/0664Non-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 integer where the output-delivery frequency is lower than the input sampling frequency, i.e. decimation
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/06Non-recursive filters
    • H03H17/0621Non-recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0635Non-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
    • H03H17/0685Non-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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0283Filters characterised by the filter structure
    • H03H17/0286Combinations of filter structures
    • H03H17/0288Recursive, non-recursive, ladder, lattice structures

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Networks Using Active Elements (AREA)
  • Color Television Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE60219064T 2001-11-19 2002-10-24 Aufwartsabtaster-, abtastrateumsetzungs- und abtastfrequenzerniedrigungsstufen enthaltendes zeitdiskretes filter Expired - Lifetime DE60219064T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP01204416 2001-11-19
EP01204416 2001-11-19
PCT/IB2002/004478 WO2003044950A1 (en) 2001-11-19 2002-10-24 Time discrete filter comprising upsampling, sampling rate conversion and downsampling stages

Publications (2)

Publication Number Publication Date
DE60219064D1 true DE60219064D1 (de) 2007-05-03
DE60219064T2 DE60219064T2 (de) 2007-12-13

Family

ID=8181261

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60219064T Expired - Lifetime DE60219064T2 (de) 2001-11-19 2002-10-24 Aufwartsabtaster-, abtastrateumsetzungs- und abtastfrequenzerniedrigungsstufen enthaltendes zeitdiskretes filter

Country Status (9)

Country Link
US (1) US7376690B2 (de)
EP (1) EP1449298B1 (de)
JP (1) JP2005510164A (de)
KR (1) KR20040058297A (de)
CN (1) CN100477521C (de)
AT (1) ATE357772T1 (de)
AU (1) AU2002343133A1 (de)
DE (1) DE60219064T2 (de)
WO (1) WO2003044950A1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100519776B1 (ko) * 2003-11-24 2005-10-07 삼성전자주식회사 영상 신호의 해상도 변환 방법 및 장치
JP2007067646A (ja) * 2005-08-30 2007-03-15 Oki Electric Ind Co Ltd サンプリングレート変換方法及びその回路
EP1977549B1 (de) 2006-01-26 2009-11-04 Infra-Com Ltd. Jitterarme taktrückgewinnung aus einem über ein drahtloses medium übertragenen digitalen basisband-datensignal
GB0620819D0 (en) * 2006-10-20 2006-11-29 Calrec Audio Ltd Digital signal processing
JP4386079B2 (ja) * 2007-01-22 2009-12-16 ヤマハ株式会社 サンプリング周波数変換装置
US20100091829A1 (en) * 2007-03-28 2010-04-15 Nokia Corporation Optimised architecture for a downsampling fir filter
KR20100042817A (ko) * 2008-10-17 2010-04-27 삼성전자주식회사 다단계 채널 필터를 가지는 무선 통신 시스템의 송수신 장치
DE102009008092B4 (de) * 2009-02-09 2014-10-30 Atlas Elektronik Gmbh Verfahren und Vorrichtung zum Kompensieren von Abtastratenschwankungen
US8781430B2 (en) * 2009-06-29 2014-07-15 Qualcomm Incorporated Receiver filtering devices, systems, and methods
CN101944364B (zh) * 2009-07-09 2012-06-06 展讯通信(上海)有限公司 音频处理方法及音频系统
CN101729041A (zh) * 2009-11-25 2010-06-09 北京天碁科技有限公司 一种多速率处理中的滤波实现方法及装置
EP2730026B1 (de) 2011-05-05 2020-09-30 Cerence Operating Company Filterung mit geringer verzögerung
JP6107994B1 (ja) * 2016-03-08 2017-04-05 Nttエレクトロニクス株式会社 データ処理装置、データ処理方法及び通信装置
CN105811920B (zh) * 2016-03-09 2019-01-29 哈尔滨工程大学 一种frm窄过渡带滤波器组结构
US10805183B2 (en) * 2016-05-31 2020-10-13 Octo Telematics S.P.A. Method and apparatus for sampling rate conversion of a stream of samples
EP3672070A1 (de) * 2018-12-19 2020-06-24 Nxp B.V. Kommunikationsvorrichtung und verfahren zum betrieb einer kommunikationsvorrichtung
EP3716479A1 (de) 2019-03-26 2020-09-30 Bang & Olufsen A/S Verfahren zur abtastratenumsetzung
CN114501012B (zh) * 2021-12-31 2024-06-11 浙江大华技术股份有限公司 图像滤波、编解码方法以及相关设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5717617A (en) * 1993-04-16 1998-02-10 Harris Corporation Rate change filter and method
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
EP0970563B1 (de) 1998-01-26 2006-06-14 Koninklijke Philips Electronics N.V. Zeitdiskretes filter
US6487573B1 (en) * 1999-03-26 2002-11-26 Texas Instruments Incorporated Multi-rate digital filter for audio sample-rate conversion
WO2000065713A2 (en) 1999-04-22 2000-11-02 Koninklijke Philips Electronics N.V. Sample rate converter
US6674815B2 (en) * 1999-06-16 2004-01-06 Ericsson, Inc Method for symbol-spaced estimation and/or tracking of a fractionally-spaced fading radio channel
DE19940926A1 (de) 1999-08-27 2001-03-01 Bosch Gmbh Robert Filtereinrichtung mit Kernfilter, Dezimator und Interpolator

Also Published As

Publication number Publication date
KR20040058297A (ko) 2004-07-03
US20040260737A1 (en) 2004-12-23
EP1449298B1 (de) 2007-03-21
DE60219064T2 (de) 2007-12-13
CN100477521C (zh) 2009-04-08
JP2005510164A (ja) 2005-04-14
US7376690B2 (en) 2008-05-20
WO2003044950A1 (en) 2003-05-30
ATE357772T1 (de) 2007-04-15
EP1449298A1 (de) 2004-08-25
CN1589524A (zh) 2005-03-02
AU2002343133A1 (en) 2003-06-10

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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: NXP B.V., EINDHOVEN, NL

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

Representative=s name: EISENFUEHR, SPEISER & PARTNER, 10178 BERLIN