FR2485841B1 - Procede et dispositif de traitement de signaux numeriques - Google Patents

Procede et dispositif de traitement de signaux numeriques

Info

Publication number
FR2485841B1
FR2485841B1 FR8112502A FR8112502A FR2485841B1 FR 2485841 B1 FR2485841 B1 FR 2485841B1 FR 8112502 A FR8112502 A FR 8112502A FR 8112502 A FR8112502 A FR 8112502A FR 2485841 B1 FR2485841 B1 FR 2485841B1
Authority
FR
France
Prior art keywords
digital signals
processing digital
processing
signals
digital
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
FR8112502A
Other languages
English (en)
Other versions
FR2485841A1 (fr
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 FR2485841A1 publication Critical patent/FR2485841A1/fr
Application granted granted Critical
Publication of FR2485841B1 publication Critical patent/FR2485841B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056—Systems characterized by the type of code used
    • H04L1/0057—Block codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
FR8112502A 1980-06-30 1981-06-25 Procede et dispositif de traitement de signaux numeriques Expired FR2485841B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/163,971 US4375581A (en) 1980-06-30 1980-06-30 Digital transmission error reduction

Publications (2)

Publication Number Publication Date
FR2485841A1 FR2485841A1 (fr) 1981-12-31
FR2485841B1 true FR2485841B1 (fr) 1985-11-08

Family

ID=22592421

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8112502A Expired FR2485841B1 (fr) 1980-06-30 1981-06-25 Procede et dispositif de traitement de signaux numeriques

Country Status (2)

Country Link
US (1) US4375581A (fr)
FR (1) FR2485841B1 (fr)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5051991A (en) * 1984-10-17 1991-09-24 Ericsson Ge Mobile Communications Inc. Method and apparatus for efficient digital time delay compensation in compressed bandwidth signal processing
US4799189A (en) * 1985-07-26 1989-01-17 Motorola, Inc. Resynthesized digital radio frequency memory
JP2597987B2 (ja) * 1986-02-08 1997-04-09 ソニー株式会社 ブロツク化伝送信号のデコード装置
US4799683A (en) * 1986-09-16 1989-01-24 Tekbilt, Inc. Interactive video game of chance and player controlled subsystem therefor
US4831624A (en) * 1987-06-04 1989-05-16 Motorola, Inc. Error detection method for sub-band coding
US4802171A (en) * 1987-06-04 1989-01-31 Motorola, Inc. Method for error correction in digitally encoded speech
US5363384A (en) * 1988-10-24 1994-11-08 Matsushita Electric Industrial, Co., Ltd. Audio signal demodulation circuit
US5014276A (en) * 1989-02-06 1991-05-07 Scientific Atlanta, Inc. Convolutional encoder and sequential decoder with parallel architecture and block coding properties
JP3102015B2 (ja) * 1990-05-28 2000-10-23 日本電気株式会社 音声復号化方法
US5426652A (en) * 1991-01-08 1995-06-20 The Dsp Group Inc. Data reception technique
US5222080A (en) * 1991-03-20 1993-06-22 U S West Advanced Technologies, Inc. Method and apparatus for signal reconstruction
EP0551705A3 (en) * 1992-01-15 1993-08-18 Ericsson Ge Mobile Communications Inc. Method for subbandcoding using synthetic filler signals for non transmitted subbands
US5384793A (en) * 1992-01-28 1995-01-24 Ericsson Ge Mobile Communications Inc. Fading and random pattern error protection method for dynamic bit allocation sub-band coding
US5365525A (en) * 1992-11-27 1994-11-15 Motorola, Inc. Method for reducing bandwidth of a wireline communication path
DE4427351C1 (de) * 1994-08-02 1996-03-28 Siemens Ag Signalverarbeitungsverfahren und -anordnung für blockweise codierte Sprachsignale eines Nachrichtensystems
US5550543A (en) * 1994-10-14 1996-08-27 Lucent Technologies Inc. Frame erasure or packet loss compensation method
US5710781A (en) * 1995-06-02 1998-01-20 Ericsson Inc. Enhanced fading and random pattern error protection for dynamic bit allocation sub-band coding
US6445717B1 (en) 1998-05-01 2002-09-03 Niwot Networks, Inc. System for recovering lost information in a data stream
KR100413039B1 (ko) * 2002-01-16 2003-12-31 어뮤즈텍(주) 피치보정방법 및 그 장치
JP2006033356A (ja) * 2004-07-15 2006-02-02 Renesas Technology Corp 音声データ処理装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1051196A (fr) * 1963-04-30
US3404373A (en) * 1965-02-18 1968-10-01 Rca Corp System for automatic correction of burst errors
US3444516A (en) * 1966-08-25 1969-05-13 Bell Telephone Labor Inc Error correcting communication system
US3544963A (en) * 1968-12-27 1970-12-01 Bell Telephone Labor Inc Random and burst error-correcting arrangement
US3568147A (en) * 1969-03-04 1971-03-02 North American Rockwell Transient filter system
US3638182A (en) * 1970-01-02 1972-01-25 Bell Telephone Labor Inc Random and burst error-correcting arrangement with guard space error correction
US4054863A (en) * 1976-11-29 1977-10-18 Bell Telephone Laboratories, Incorporated Error detection and correction system
JPS5380105A (en) * 1976-12-24 1978-07-15 Sony Corp Digital signal transmission method
US4100377A (en) * 1977-04-28 1978-07-11 Bell Telephone Laboratories, Incorporated Packet transmission of speech
JPS6052509B2 (ja) * 1977-05-16 1985-11-19 ソニー株式会社 デジタル信号伝送方法
US4145683A (en) * 1977-11-02 1979-03-20 Minnesota Mining And Manufacturing Company Single track audio-digital recorder and circuit for use therein having error correction
CH637510A5 (de) * 1978-10-27 1983-07-29 Ibm Verfahren und anordnung zur uebertragung von sprachsignalen sowie anwendung des verfahrens.

Also Published As

Publication number Publication date
FR2485841A1 (fr) 1981-12-31
US4375581A (en) 1983-03-01

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Legal Events

Date Code Title Description
ST Notification of lapse