ES451825A1 - Perfeccionamientos en aparatos elabodadores de senales para modificar la frecuencia de muestreo digital. - Google Patents

Perfeccionamientos en aparatos elabodadores de senales para modificar la frecuencia de muestreo digital.

Info

Publication number
ES451825A1
ES451825A1 ES451825A ES451825A ES451825A1 ES 451825 A1 ES451825 A1 ES 451825A1 ES 451825 A ES451825 A ES 451825A ES 451825 A ES451825 A ES 451825A ES 451825 A1 ES451825 A1 ES 451825A1
Authority
ES
Spain
Prior art keywords
increasing
coefficients
interpolation
sampling frequency
digital sampling
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
Application number
ES451825A
Other languages
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of ES451825A1 publication Critical patent/ES451825A1/es
Expired 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
    • H03H17/06—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)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Complex Calculations (AREA)
ES451825A 1975-09-24 1976-09-24 Perfeccionamientos en aparatos elabodadores de senales para modificar la frecuencia de muestreo digital. Expired ES451825A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/616,283 US4020332A (en) 1975-09-24 1975-09-24 Interpolation-decimation circuit for increasing or decreasing digital sampling frequency

Publications (1)

Publication Number Publication Date
ES451825A1 true ES451825A1 (es) 1977-12-16

Family

ID=24468775

Family Applications (1)

Application Number Title Priority Date Filing Date
ES451825A Expired ES451825A1 (es) 1975-09-24 1976-09-24 Perfeccionamientos en aparatos elabodadores de senales para modificar la frecuencia de muestreo digital.

Country Status (10)

Country Link
US (1) US4020332A (es)
JP (1) JPS5240012A (es)
AU (1) AU1797776A (es)
BE (1) BE846447A (es)
DE (1) DE2642139A1 (es)
ES (1) ES451825A1 (es)
FR (1) FR2326079A1 (es)
IL (1) IL50523A0 (es)
NL (1) NL7610530A (es)
SE (1) SE7610420L (es)

Families Citing this family (126)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS601345B2 (ja) * 1978-02-14 1985-01-14 キヤノン株式会社 像表示装置
JPS603354B2 (ja) * 1978-02-13 1985-01-28 キヤノン株式会社 像表示装置
US4106053A (en) * 1977-08-01 1978-08-08 Rca Corporation Digital sampling rate conversion of color TV signal
JPS5928359B2 (ja) * 1978-02-15 1984-07-12 キヤノン株式会社 像表示装置
US4335275A (en) * 1978-04-28 1982-06-15 Texas Instruments Incorporated Synchronous method and apparatus for speech synthesis circuit
JPS6040672B2 (ja) * 1978-05-24 1985-09-12 日本電池株式会社 密閉形鉛蓄電池の製造方法
US4245541A (en) * 1979-06-01 1981-01-20 Kawai Musical Instrument Mfg. Co., Ltd. Apparatus for reducing noise in digital to analog conversion
NL7905332A (nl) * 1979-07-09 1981-01-13 Philips Nv Decimerend, lineair phase, digital fir filter.
US4256003A (en) * 1979-07-19 1981-03-17 Kawai Musical Instrument Mfg. Co., Ltd. Note frequency generator for an electronic musical instrument
US4302631A (en) * 1979-11-28 1981-11-24 International Telephone And Telegraph Corporation Decimator apparatus for decreasing the word rate of a digital signal of the type employed in digital telephone systems
US4270026A (en) * 1979-11-28 1981-05-26 International Telephone And Telegraph Corporation Interpolator apparatus for increasing the word rate of a digital signal of the type employed in digital telephone systems
US4270027A (en) * 1979-11-28 1981-05-26 International Telephone And Telegraph Corporation Telephone subscriber line unit with sigma-delta digital to analog converter
JPS56119909A (en) * 1980-02-22 1981-09-19 Victor Co Of Japan Ltd Reproducing device for speed variable digital signal
BR8009085A (pt) * 1980-06-18 1982-05-11 Ericsson Telefon Ab L M Aparelho de circuito de processamento de audio para linha de assinante
US4333156A (en) * 1980-06-23 1982-06-01 Bell Telephone Laboratories, Incorporated Broadband cyclotomic tone detector
US4361875A (en) * 1980-06-23 1982-11-30 Bell Telephone Laboratories, Incorporated Multiple tone detector and locator
FR2495857B1 (fr) * 1980-08-27 1987-11-27 Petit Jean Filtre numerique recursif de surechantillonnage en arithmetique distribuee
JPS6046899B2 (ja) * 1980-09-26 1985-10-18 日本電気株式会社 反響消去装置
LU82861A1 (fr) * 1980-10-16 1982-05-10 Oreal Nouvelles nitro-paraphenylenediamines,leur procede de preparation et leur utilisation en teinture des fibres keratiniques
EP0052847B1 (de) * 1980-11-26 1985-07-17 WILLI STUDER AG Fabrik für elektronische Apparate Verfahren und Schaltungsanordnung zur Umsetzung der Abtastfrequenz einer Abtastfolge unter Umgehung der Konversion in ein kontinuierliches Signal
US4383011A (en) * 1980-12-29 1983-05-10 The Gates Rubber Company Multicell recombining lead-acid battery
US4389538A (en) * 1981-01-12 1983-06-21 Rockwell International Corporation Multiplexer for single-octave data processor
US4468708A (en) * 1981-10-30 1984-08-28 Ampex Corporation Combined data rate reduction system
US4610026A (en) * 1982-04-30 1986-09-02 Hitachi, Ltd. Method of and apparatus for enlarging/reducing two-dimensional images
NL8202687A (nl) * 1982-07-05 1984-02-01 Philips Nv Decimerende filterinrichting.
US4528639A (en) * 1982-10-29 1985-07-09 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method of and apparatus for generating an inerstitial point in a data stream having an even number of data points
JPS59219042A (ja) * 1983-05-26 1984-12-10 Nf Kairo Sekkei Block:Kk デイジタルアナログ変換方法
JP2653775B2 (ja) * 1983-06-23 1997-09-17 ソニー株式会社 サンプリングレート変換装置
FR2548851B1 (fr) * 1983-07-07 1986-11-14 Electricite De France Procede et installation d'analyse et de restitution de signal a echantillonnage et interpolation
US4612625A (en) * 1983-10-12 1986-09-16 Wavetek Rockland Scientific, Inc. Decimator employing finite impulse response digital filters
US4648177A (en) * 1983-10-21 1987-03-10 Gates Energy Products, Inc. Method for producing a sealed lead-acid cell
US4754485A (en) * 1983-12-12 1988-06-28 Digital Equipment Corporation Digital processor for use in a text to speech system
NL8400073A (nl) * 1984-01-10 1985-08-01 Philips Nv Interpolerende filterinrichting met niet-rationale verhouding tussen de ingangs- en uitgangsbemonsterfrequentie.
JPS60249243A (ja) * 1984-05-24 1985-12-09 Furukawa Battery Co Ltd:The 密閉型鉛蓄電池の製造法
US4694413A (en) * 1984-07-19 1987-09-15 Rca Corporation Compact-structure input-weighted multitap digital filters
GB8421378D0 (en) * 1984-08-23 1984-09-26 British Broadcasting Corp Variable speed replay
US4588979A (en) * 1984-10-05 1986-05-13 Dbx, Inc. Analog-to-digital converter
JPS6190514A (ja) * 1984-10-11 1986-05-08 Nippon Gakki Seizo Kk 楽音信号処理装置
US4675863A (en) 1985-03-20 1987-06-23 International Mobile Machines Corp. Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
NL8503478A (nl) * 1985-12-18 1987-07-16 Philips Nv Coefficienten generator met fase vergrendelde lus voor een filterinrichting met niet-rationele verhouding tussen ingangs- en uitgangsbemonsterfrequentie.
US4819190A (en) * 1986-06-18 1989-04-04 The United States Of America As Represented By The Secretary Of The Navy Video line processor
JPH0754432B2 (ja) * 1986-12-30 1995-06-07 ヤマハ株式会社 楽音信号発生装置
US4835723A (en) * 1987-04-03 1989-05-30 Tektronix, Inc. Phase coordinated multistage digital filter
EP0289285A3 (en) * 1987-04-30 1989-11-29 Oki Electric Industry Company, Limited Linear predictive coding analysing apparatus and bandlimited circuit therefor
JPS6447117A (en) * 1987-08-17 1989-02-21 Yokogawa Electric Corp Digital signal phase correction device
JP2600236B2 (ja) * 1987-12-29 1997-04-16 ソニー株式会社 サンプリング周波数変換回路
US4866647A (en) * 1988-02-04 1989-09-12 American Telephone And Telegraph Company Continuously variable digital delay circuit
US5359696A (en) * 1988-06-28 1994-10-25 Motorola Inc. Digital speech coder having improved sub-sample resolution long-term predictor
US5473555A (en) * 1988-08-18 1995-12-05 Hewlett-Packard Company Method and apparatus for enhancing frequency domain analysis
US5235534A (en) * 1988-08-18 1993-08-10 Hewlett-Packard Company Method and apparatus for interpolating between data samples
EP0356597B1 (en) * 1988-08-30 1994-03-30 International Business Machines Corporation Improvement to digital filter sampling rate conversion method and device
JP3268360B2 (ja) * 1989-09-01 2002-03-25 モトローラ・インコーポレイテッド 改良されたロングターム予測器を有するデジタル音声コーダ
US4994801A (en) * 1989-10-30 1991-02-19 Advanced Micro Devices, Inc. Apparatus adaptable for use in effecting communications between an analog device and a digital device
US4996528A (en) * 1989-10-30 1991-02-26 Advanced Micro Devices, Inc. Apparatus having shared modular architecture for decimation and interpolation
US5043932A (en) * 1989-10-30 1991-08-27 Advanced Micro Devices, Inc. Apparatus having modular interpolation architecture
US5068813A (en) * 1989-11-07 1991-11-26 Mts Systems Corporation Phased digital filtering in multichannel environment
US5342990A (en) * 1990-01-05 1994-08-30 E-Mu Systems, Inc. Digital sampling instrument employing cache-memory
JPH10294646A (ja) * 1990-02-16 1998-11-04 Sony Corp サンプリングレート変換装置
US5355328A (en) * 1991-09-27 1994-10-11 Northshore Laboratories, Inc. Resampling apparatus suitable for resizing a video image
GB9205614D0 (en) * 1992-03-14 1992-04-29 Innovision Ltd Sample rate converter suitable for converting between digital video formats
US5475628A (en) * 1992-09-30 1995-12-12 Analog Devices, Inc. Asynchronous digital sample rate converter
US5832436A (en) * 1992-12-11 1998-11-03 Industrial Technology Research Institute System architecture and method for linear interpolation implementation
US5446271A (en) * 1993-08-06 1995-08-29 Spectra-Physics Scanning Systems, Inc. Omnidirectional scanning method and apparatus
US5546383A (en) 1993-09-30 1996-08-13 Cooley; David M. Modularly clustered radiotelephone system
US5517529A (en) * 1993-10-18 1996-05-14 Westinghouse Electric Corp. UHF/L-Band monolithic direct digital receiver
DE69424754T2 (de) * 1993-12-08 2001-01-25 Nokia Mobile Phones Ltd Verfahren zur Umsetzung der Abtastfrequenz
US5648777A (en) * 1993-12-16 1997-07-15 Lucent Technologies Inc. Data converter with FIFO
EP0690566B1 (en) * 1994-06-30 2001-10-04 STMicroelectronics S.r.l. Filtering method and digital over sampler filter with a finite impulse response having a simplified control unit
US5598353A (en) * 1994-08-15 1997-01-28 Apple Computer, Inc. Method and apparatus for combining a multiple-bit digital audio signal with a single-bit digital audio signal
SG97784A1 (en) * 1994-12-02 2003-08-20 Sony Corp Method of and apparatus for interpolating digital signal, and apparatus for and method of recording and/or playing back recording medium
JP3037582B2 (ja) * 1995-04-12 2000-04-24 シャープ株式会社 デジタルデータのバッファリング装置
US5638010A (en) * 1995-06-07 1997-06-10 Analog Devices, Inc. Digitally controlled oscillator for a phase-locked loop providing a residue signal for use in continuously variable interpolation and decimation filters
US5719571A (en) * 1995-09-22 1998-02-17 Sony Corporation Sampling rate converting method and apparatus
US5661479A (en) * 1995-09-22 1997-08-26 United Microelectronic Corporation Oversampling modulation in a D/A converter using a combination of feedforward/feedback coefficients and shift registers
FR2740284B1 (fr) * 1995-10-19 1997-11-21 Alcatel Espace Procede de filtrage numerique large bande et filtre mettant en oeuvre le procede
US5808691A (en) * 1995-12-12 1998-09-15 Cirrus Logic, Inc. Digital carrier synthesis synchronized to a reference signal that is asynchronous with respect to a digital sampling clock
US5758138A (en) * 1995-12-22 1998-05-26 Hankinson; Robert J. Method and system for reducing numeric counting levels in resampling control circuitry
US5880980A (en) * 1996-09-30 1999-03-09 Rockwell International Corporation Distributed decimation sample rate conversion
US6134569A (en) * 1997-01-30 2000-10-17 Sharp Laboratories Of America, Inc. Polyphase interpolator/decimator using continuous-valued, discrete-time signal processing
US5818888A (en) * 1997-02-26 1998-10-06 Ericsson, Inc. Sample rate converter
US5892694A (en) * 1997-05-01 1999-04-06 Vlsi Technology, Inc. Sample rate conversion between asynchronous digital systems
US5872480A (en) * 1997-09-23 1999-02-16 Industrial Technology Research Institute Programmable down-sampler having plural decimators and modulator using same
US6313765B1 (en) * 1997-10-10 2001-11-06 L-3 Communications Corporation Method for sample rate conversion of digital data
US6359878B1 (en) 1998-07-20 2002-03-19 Wirless Facilities, Inc. Non-data-aided maximum likelihood based feedforward timing synchronization method
US6654432B1 (en) 1998-06-08 2003-11-25 Wireless Facilities, Inc. Joint maximum likelihood frame and timing estimation for a digital receiver
US6339434B1 (en) 1997-11-24 2002-01-15 Pixelworks Image scaling circuit for fixed pixed resolution display
US6903733B1 (en) 1997-11-24 2005-06-07 Pixelworks, Inc. Ultra-high bandwidth multi-port memory system for image scaling applications
US6427157B1 (en) 1998-07-31 2002-07-30 Texas Instruments Incorporated Fir filter structure with time- varying coefficients and filtering method for digital data scaling
US6057789A (en) * 1998-10-29 2000-05-02 Neomagic Corp. Re-synchronization of independently-clocked audio streams by dynamically switching among 3 ratios for sampling-rate-conversion
US6430235B1 (en) 1998-11-05 2002-08-06 Wireless Facilities, Inc. Non-data-aided feedforward timing synchronization method
US6853385B1 (en) * 1999-11-09 2005-02-08 Broadcom Corporation Video, audio and graphics decode, composite and display system
US6661422B1 (en) 1998-11-09 2003-12-09 Broadcom Corporation Video and graphics system with MPEG specific data transfer commands
US6573905B1 (en) * 1999-11-09 2003-06-03 Broadcom Corporation Video and graphics system with parallel processing of graphics windows
US6768774B1 (en) * 1998-11-09 2004-07-27 Broadcom Corporation Video and graphics system with video scaling
US7982740B2 (en) 1998-11-09 2011-07-19 Broadcom Corporation Low resolution graphics mode support using window descriptors
US6798420B1 (en) 1998-11-09 2004-09-28 Broadcom Corporation Video and graphics system with a single-port RAM
US6636222B1 (en) * 1999-11-09 2003-10-21 Broadcom Corporation Video and graphics system with an MPEG video decoder for concurrent multi-row decoding
US6570579B1 (en) * 1998-11-09 2003-05-27 Broadcom Corporation Graphics display system
US7446774B1 (en) 1998-11-09 2008-11-04 Broadcom Corporation Video and graphics system with an integrated system bridge controller
JP2000149439A (ja) * 1998-11-12 2000-05-30 Matsushita Electric Ind Co Ltd 多チャンネル音声再生装置
US6252919B1 (en) 1998-12-17 2001-06-26 Neomagic Corp. Re-synchronization of independently-clocked audio streams by fading-in with a fractional sample over multiple periods for sample-rate conversion
US6337999B1 (en) * 1998-12-18 2002-01-08 Orban, Inc. Oversampled differential clipper
US6487573B1 (en) 1999-03-26 2002-11-26 Texas Instruments Incorporated Multi-rate digital filter for audio sample-rate conversion
EP1076415A1 (en) * 1999-08-11 2001-02-14 Deutsche Thomson-Brandt Gmbh Method and apparatus for sampling frequency conversion
US7280878B1 (en) 1999-10-27 2007-10-09 Creative Technology Ltd Sample rate converter having distributed filtering
US9668011B2 (en) 2001-02-05 2017-05-30 Avago Technologies General Ip (Singapore) Pte. Ltd. Single chip set-top box system
US8913667B2 (en) * 1999-11-09 2014-12-16 Broadcom Corporation Video decoding system having a programmable variable-length decoder
US6975324B1 (en) 1999-11-09 2005-12-13 Broadcom Corporation Video and graphics system with a video transport processor
US6538656B1 (en) 1999-11-09 2003-03-25 Broadcom Corporation Video and graphics system with a data transport processor
US7199837B2 (en) * 2001-11-13 2007-04-03 Ati Technologies, Inc. System for improved ratiometric expansion and method thereof
US7120546B2 (en) * 2003-04-23 2006-10-10 Texas Instruments Incorporated Integrated spectrum analyzer for tuners
US7667710B2 (en) 2003-04-25 2010-02-23 Broadcom Corporation Graphics display system with line buffer control scheme
US6847313B2 (en) * 2003-06-30 2005-01-25 Intel Corporation Rational sample rate conversion
US8063916B2 (en) * 2003-10-22 2011-11-22 Broadcom Corporation Graphics layer reduction for video composition
CN101040437B (zh) * 2004-10-13 2010-05-12 联发科技股份有限公司 用于通信系统的滤波器以及滤波方法
US7477323B2 (en) * 2005-11-07 2009-01-13 Kolorific, Inc. Method and system for digital image magnification and reduction
US7528745B2 (en) * 2006-02-15 2009-05-05 Qualcomm Incorporated Digital domain sampling rate converter
JP2008021119A (ja) * 2006-07-13 2008-01-31 Neuro Solution Corp デジタルフィルタおよびこれを用いた画像処理装置
US9098435B1 (en) 2006-09-28 2015-08-04 L-3 Communciations Corp. Finite impulse response filter with parallel input
DE102008053295B4 (de) * 2008-10-27 2010-10-07 Atmel Automotive Gmbh Verfahren zur Ratenerhöhung und Verfahren zur Ratenreduzierung
KR20100062667A (ko) * 2008-12-02 2010-06-10 한국전자통신연구원 코덱 플랫폼 장치
KR20120090510A (ko) * 2011-02-08 2012-08-17 삼성전자주식회사 통신시스템에서 샘플링 레이트가 변환된 신호를 생성하는 방법 및 장치
US8358229B2 (en) * 2011-02-28 2013-01-22 Infineon Technologies Ag Method for use in a sigma-delta analog to digital converter, sigma-delta analog to digital converters and systems comprising a sigma-delta analog to digital converter
DE102013002087B4 (de) * 2012-02-24 2020-01-30 Infineon Technologies Ag Verfahren und System zum Ausgleichen einer Verzögerungsabweichung zwischen einem ersten Messkanal und einem zweiten Messkanal
WO2015038578A2 (en) * 2013-09-12 2015-03-19 Dolby Laboratories Licensing Corporation System aspects of an audio codec
CN111083941A (zh) * 2018-08-21 2020-04-28 康姆索利德有限责任公司 模数转换器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3829670A (en) * 1972-04-10 1974-08-13 Massachusetts Inst Technology Digital filter to realize efficiently the filtering required when multiplying or dividing the sampling rate of a digital signal by a composite integer
US3872290A (en) * 1973-09-24 1975-03-18 Sperry Rand Corp Finite impulse response digital filter with reduced storage

Also Published As

Publication number Publication date
AU1797776A (en) 1978-04-06
US4020332A (en) 1977-04-26
BE846447A (fr) 1977-01-17
FR2326079A1 (fr) 1977-04-22
SE7610420L (sv) 1977-03-25
IL50523A0 (en) 1976-11-30
NL7610530A (nl) 1977-03-28
JPS5240012A (en) 1977-03-28
DE2642139A1 (de) 1977-04-07

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