ES545163A0 - Una configuracion de un procesador de senal - Google Patents

Una configuracion de un procesador de senal

Info

Publication number
ES545163A0
ES545163A0 ES545163A ES545163A ES545163A0 ES 545163 A0 ES545163 A0 ES 545163A0 ES 545163 A ES545163 A ES 545163A ES 545163 A ES545163 A ES 545163A ES 545163 A0 ES545163 A0 ES 545163A0
Authority
ES
Spain
Prior art keywords
configuration
signal processor
processor
signal
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.)
Granted
Application number
ES545163A
Other languages
English (en)
Other versions
ES8701439A1 (es
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
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 Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES545163A0 publication Critical patent/ES545163A0/es
Publication of ES8701439A1 publication Critical patent/ES8701439A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2220/00—Indexing scheme relating to structures of digital filters
    • H03H2220/06—Systolic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H04B3/238—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers using initial training sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Complex Calculations (AREA)
ES85545163A 1984-07-13 1985-07-12 Una configuracion de un procesador de senal Expired ES8701439A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP84201049A EP0167677B1 (en) 1984-07-13 1984-07-13 Signal processing arrangement

Publications (2)

Publication Number Publication Date
ES545163A0 true ES545163A0 (es) 1986-10-01
ES8701439A1 ES8701439A1 (es) 1986-10-01

Family

ID=8192460

Family Applications (1)

Application Number Title Priority Date Filing Date
ES85545163A Expired ES8701439A1 (es) 1984-07-13 1985-07-12 Una configuracion de un procesador de senal

Country Status (6)

Country Link
US (1) US4803648A (es)
EP (1) EP0167677B1 (es)
JP (1) JPS6145622A (es)
AU (1) AU577127B2 (es)
BE (1) BE902895A (es)
ES (1) ES8701439A1 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4982354A (en) * 1987-05-28 1991-01-01 Mitsubishi Denki Kabushiki Kaisha Digital finite impulse response filter and method
GB8719307D0 (en) * 1987-08-14 1987-09-23 Gen Electric Co Plc Echo canceller
US5386472A (en) * 1990-08-10 1995-01-31 General Motors Corporation Active noise control system
JPH08125591A (ja) * 1994-10-20 1996-05-17 Fujitsu Ltd エコーキャンセラシステム
US6430287B1 (en) 1997-03-25 2002-08-06 Level One Communications, Inc. Combined parallel adaptive equalizer/echo canceller
US20020021693A1 (en) * 1998-05-01 2002-02-21 At&T Corp. Sharing of voice-switched network and internet resources for intelligent session processing
US6563802B2 (en) * 1998-06-22 2003-05-13 Intel Corporation Echo cancellation with dynamic latency adjustment
KR102883344B1 (ko) 2020-07-31 2025-11-07 삼성전자주식회사 딥러닝 연산 수행 방법 및 장치

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2272544B1 (es) * 1974-05-24 1977-03-11 Cit Alcatel
US4369499A (en) * 1980-09-18 1983-01-18 Codex Corporation Linear phase digital filter
US4386430A (en) * 1980-10-23 1983-05-31 International Telephone And Telegraph Corporation Automatic equalizer for synthesizing recursive filters
US4425483A (en) * 1981-10-13 1984-01-10 Northern Telecom Limited Echo cancellation using transversal filters
GB2111354B (en) * 1981-11-19 1985-06-19 Standard Telephones Cables Ltd Echo canceller
US4493048A (en) * 1982-02-26 1985-01-08 Carnegie-Mellon University Systolic array apparatuses for matrix computations
EP0090904B1 (de) * 1982-04-03 1985-08-21 Deutsche ITT Industries GmbH Schaltungsanordnung für seriell arbeitende Digitalfilter
FR2528643A1 (fr) * 1982-06-14 1983-12-16 Trt Telecom Radio Electr Procede destine a reduire le temps de convergence d'un annuleur d'echo et dispositif utilise pour mettre en oeuvre ce procede
US4588255A (en) * 1982-06-21 1986-05-13 The Board Of Trustees Of The Leland Stanford Junior University Optical guided wave signal processor for matrix-vector multiplication and filtering
US4507725A (en) * 1982-07-01 1985-03-26 Rca Corporation Digital filter overflow sensor
US4582963A (en) * 1982-07-29 1986-04-15 Rockwell International Corporation Echo cancelling using adaptive bulk delay and filter
US4621172A (en) * 1982-12-22 1986-11-04 Nec Corporation Fast convergence method and system for echo canceller
FR2540314A1 (fr) * 1983-01-31 1984-08-03 Trt Telecom Radio Electr Procede d'initialisation des coefficients de filtres dans un dispositif d'annulation d'echos proche et lointain et dispositif de mise en oeuvre de ce procede
US4574166A (en) * 1983-02-04 1986-03-04 At&T Bell Laboratories Tandem adaptive filter arrangement
FR2541837A1 (fr) * 1983-02-25 1984-08-31 Trt Telecom Radio Electr Procede de reduction du temps de convergence d'un annuleur d'echo et dispositif pour mettre en oeuvre ce procede
US4591669A (en) * 1984-09-26 1986-05-27 At&T Bell Laboratories Adaptive filter update gain normalization
US4773034A (en) * 1985-05-09 1988-09-20 American Telephone And Telegraph Company Adaptive equalizer utilizing a plurality of multiplier-accumulator devices
US4683496A (en) * 1985-08-23 1987-07-28 The Analytic Sciences Corporation System for and method of enhancing images using multiband information

Also Published As

Publication number Publication date
US4803648A (en) 1989-02-07
EP0167677B1 (en) 1989-03-08
AU4427385A (en) 1986-01-16
EP0167677A1 (en) 1986-01-15
AU577127B2 (en) 1988-09-15
JPS6145622A (ja) 1986-03-05
BE902895A (nl) 1986-01-15
ES8701439A1 (es) 1986-10-01

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