ATE357772T1 - Aufwartsabtaster-, abtastrateumsetzungs- und abtastfrequenzerniedrigungsstufen enthaltendes zeitdiskretes filter - Google Patents

Aufwartsabtaster-, abtastrateumsetzungs- und abtastfrequenzerniedrigungsstufen enthaltendes zeitdiskretes filter

Info

Publication number
ATE357772T1
ATE357772T1 AT02779800T AT02779800T ATE357772T1 AT E357772 T1 ATE357772 T1 AT E357772T1 AT 02779800 T AT02779800 T AT 02779800T AT 02779800 T AT02779800 T AT 02779800T AT E357772 T1 ATE357772 T1 AT E357772T1
Authority
AT
Austria
Prior art keywords
sampler
sampling
sampling frequency
rate conversion
discrete
Prior art date
Application number
AT02779800T
Other languages
English (en)
Inventor
Den Enden Adrianus W M Van
Marc V Arends
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE357772T1 publication Critical patent/ATE357772T1/de

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
    • H03H17/04—Recursive 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
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0273—Polyphase filters
    • H03H17/0275—Polyphase filters comprising non-recursive filters
    • H03H17/0276—Polyphase filters comprising non-recursive filters having two phases
    • 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
    • H03H17/0416—Recursive filters with input-sampling frequency and output-delivery frequency which differ, e.g. extrapolation; Anti-aliasing
    • H03H17/0427—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
    • H03H17/0438—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
    • H03H17/045—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
    • 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
    • H03H17/065—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 integer
    • H03H17/0657—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 integer where the output-delivery frequency is higher than the input sampling frequency, i.e. interpolation
    • 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
    • H03H17/065—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 integer
    • H03H17/0664—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 integer where the output-delivery frequency is lower than the input sampling frequency, i.e. decimation
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0283—Filters characterised by the filter structure
    • H03H17/0286—Combinations of filter structures
    • H03H17/0288—Recursive, 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)
  • Networks Using Active Elements (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Color Television Systems (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
AT02779800T 2001-11-19 2002-10-24 Aufwartsabtaster-, abtastrateumsetzungs- und abtastfrequenzerniedrigungsstufen enthaltendes zeitdiskretes filter ATE357772T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01204416 2001-11-19

Publications (1)

Publication Number Publication Date
ATE357772T1 true ATE357772T1 (de) 2007-04-15

Family

ID=8181261

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02779800T ATE357772T1 (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
DE602006010246D1 (de) 2006-01-26 2009-12-17 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
WO2008117131A1 (en) * 2007-03-28 2008-10-02 Nokia Corporation An 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
ES2834301T3 (es) * 2016-05-31 2021-06-17 Octo Telematics Spa Método y aparato para conversión de tasa de muestreo de un flujo de muestras
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 (8)

* 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
US6014682A (en) * 1997-05-30 2000-01-11 International Business Machines Corporation Methods and apparatus for variable-rate down-sampling filters for discrete-time sampled systems using a fixed sampling rate
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
WO1999038257A2 (en) 1998-01-26 1999-07-29 Koninklijke Philips Electronics N.V. Time discrete filter
US6487573B1 (en) * 1999-03-26 2002-11-26 Texas Instruments Incorporated Multi-rate digital filter for audio sample-rate conversion
JP2002543651A (ja) * 1999-04-22 2002-12-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ サンプルレート変換器
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
AU2002343133A1 (en) 2003-06-10
JP2005510164A (ja) 2005-04-14
DE60219064T2 (de) 2007-12-13
KR20040058297A (ko) 2004-07-03
WO2003044950A1 (en) 2003-05-30
EP1449298A1 (de) 2004-08-25
CN1589524A (zh) 2005-03-02
DE60219064D1 (de) 2007-05-03
US7376690B2 (en) 2008-05-20
US20040260737A1 (en) 2004-12-23
EP1449298B1 (de) 2007-03-21
CN100477521C (zh) 2009-04-08

Similar Documents

Publication Publication Date Title
DE60219064D1 (de) Aufwartsabtaster-, abtastrateumsetzungs- und abtastfrequenzerniedrigungsstufen enthaltendes zeitdiskretes filter
EP2217004B1 (de) Verfahren und System zur Dynamikbereichssteuerung in einem System zur Audioverarbeitung
US9378751B2 (en) Method and system for digital gain processing in a hardware audio CODEC for audio transmission
US8405532B1 (en) Asynchronous sample rate converter
SE0001079L (sv) Förfarande och anordning för omvandling av samplingsfrekvens
US20120263321A1 (en) Method and System for Audio Level Detection and Control
US20100056050A1 (en) Method and system for audio feedback processing in an audio codec
WO2000065713A3 (en) Sample rate converter
US20100057471A1 (en) Method and system for processing audio signals via separate input and output processing paths
CN101609676A (zh) 一种处理音频信号的方法及系统
US6473475B1 (en) Sample rate converter using polynomial interpolation
US20100057228A1 (en) Method and system for processing high quality audio in a hardware audio codec for audio transmission
US20050278044A1 (en) Method and system for codec with polyringer
US20090315688A1 (en) Method and system for processing audio signals for handset vibration
JPH07235861A (ja) 加重平均を使用したサンプリング周波数変換方法
JP2010068033A (ja) Ｆｍ送信回路及びオーバーサンプリング処理回路
US20100057475A1 (en) Method and system for digital gain control in an audio codec
US8306245B2 (en) Multi-mode audio amplifiers
US8326640B2 (en) Method and system for multi-band amplitude estimation and gain control in an audio CODEC
US7612696B2 (en) Method and system for decimating a pulse width modulated (PWM) signal
SE0301277D0 (sv) Envelope elimination and restoration device
KR100479204B1 (ko) 음성 신호의 잡음 제거 장치 및 방법
KR20040046505A (ko) 휴대폰의 소음 제거 장치
US7205914B1 (en) System and method for efficient upsampled signal processing
KR100188983B1 (ko) 소음레벨에 따라 자동으로 음량이 조절되는 스피커음량조절회로

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties