CA2021618A1 - Methode pour proteger les codeurs multi-impulsion contre les pertes de bits et les erreurs aleatoires sur les bits - Google Patents

Methode pour proteger les codeurs multi-impulsion contre les pertes de bits et les erreurs aleatoires sur les bits

Info

Publication number
CA2021618A1
CA2021618A1 CA2021618A CA2021618A CA2021618A1 CA 2021618 A1 CA2021618 A1 CA 2021618A1 CA 2021618 A CA2021618 A CA 2021618A CA 2021618 A CA2021618 A CA 2021618A CA 2021618 A1 CA2021618 A1 CA 2021618A1
Authority
CA
Canada
Prior art keywords
fading
errors
pattern bit
bit errors
random pattern
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
CA2021618A
Other languages
English (en)
Other versions
CA2021618C (fr
Inventor
Richard Louis Zinser
Steven Robert Koch
Raymond Leo Toy
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of CA2021618A1 publication Critical patent/CA2021618A1/fr
Application granted granted Critical
Publication of CA2021618C publication Critical patent/CA2021618C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04L1/0045—Arrangements at the receiver end
    • H04L1/0054—Maximum-likelihood or sequential decoding, e.g. Viterbi, Fano, ZJ algorithms
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/23—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using convolutional codes, e.g. unit memory codes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/35—Unequal or adaptive error protection, e.g. by providing a different level of protection according to significance of source information or by adapting the coding according to the change of transmission channel characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/66—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for reducing bandwidth of signals; for improving efficiency of transmission
    • 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
    • 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
    • H04L1/0064—Concatenated codes
    • H04L1/0065—Serial concatenated codes
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • 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
    • H04L1/20—Arrangements for detecting or preventing errors in the information received using signal quality detector
    • H04L1/201—Frame classification, e.g. bad, good or erased
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • 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
    • H04L2001/0098—Unequal error protection

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Artificial Intelligence (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
CA002021618A 1989-11-24 1990-07-19 Methode pour proteger les codeurs multi-impulsion contre les pertes de bits et les erreurs aleatoires sur les bits Expired - Fee Related CA2021618C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US441,022 1989-11-24
US07/441,022 US5073940A (en) 1989-11-24 1989-11-24 Method for protecting multi-pulse coders from fading and random pattern bit errors

Publications (2)

Publication Number Publication Date
CA2021618A1 true CA2021618A1 (fr) 1991-05-25
CA2021618C CA2021618C (fr) 2000-12-26

Family

ID=23751175

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002021618A Expired - Fee Related CA2021618C (fr) 1989-11-24 1990-07-19 Methode pour proteger les codeurs multi-impulsion contre les pertes de bits et les erreurs aleatoires sur les bits

Country Status (5)

Country Link
US (1) US5073940A (fr)
JP (1) JPH03175830A (fr)
CA (1) CA2021618C (fr)
GB (1) GB2238933B (fr)
HK (1) HK82794A (fr)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI84866C (fi) * 1990-03-12 1992-01-27 Nokia Mobile Phones Ltd Foerbaettring av en viterbi-algoritm.
US5138661A (en) * 1990-11-13 1992-08-11 General Electric Company Linear predictive codeword excited speech synthesizer
US5247579A (en) * 1990-12-05 1993-09-21 Digital Voice Systems, Inc. Methods for speech transmission
WO1992015987A1 (fr) * 1991-03-08 1992-09-17 Motorola, Inc. Procede et systeme de substitution de paquets vocaux
US5680508A (en) * 1991-05-03 1997-10-21 Itt Corporation Enhancement of speech coding in background noise for low-rate speech coder
US5349589A (en) * 1991-07-01 1994-09-20 Ericsson Ge Mobile Communications Inc. Generalized viterbi algorithm with tail-biting
WO1993004546A1 (fr) * 1991-08-23 1993-03-04 Kabushiki Kaisha Toshiba Systeme d'informations et de communications radio mettant en ×uvre un systeme de transmission a porteuses multiples et a etalement du spectre
WO1993005502A1 (fr) * 1991-09-05 1993-03-18 Motorola, Inc. Systeme de protection contre les erreurs destine a des codeurs de signaux vocaux multimodes
DE4137609C2 (de) * 1991-11-15 1998-04-16 Bosch Gmbh Robert Kombiniertes Sprach- und Kanaldecodierverfahren
JPH05199124A (ja) * 1992-01-21 1993-08-06 Nec Corp 音声通信方式
WO1994000915A1 (fr) * 1992-06-22 1994-01-06 Oki Electric Industry Co., Ltd. Compteur d'erreurs sur les bits et son mode operatoire, et dispositif d'identification de signaux et son mode operatoire
JP3238198B2 (ja) * 1992-06-26 2001-12-10 株式会社日立製作所 スイッチングシステムおよび情報蓄積装置
US5255343A (en) * 1992-06-26 1993-10-19 Northern Telecom Limited Method for detecting and masking bad frames in coded speech signals
JPH0661950A (ja) * 1992-08-13 1994-03-04 Nec Corp 音声符号復号装置
US5459784A (en) * 1992-09-28 1995-10-17 Comsat Corporation Dual-tone multifrequency (DTMF) signalling transparency for low-data-rate vocoders
US5426425A (en) 1992-10-07 1995-06-20 Wescom, Inc. Intelligent locator system with multiple bits represented in each pulse
JP3343965B2 (ja) * 1992-10-31 2002-11-11 ソニー株式会社 音声符号化方法及び復号化方法
JP2746033B2 (ja) * 1992-12-24 1998-04-28 日本電気株式会社 音声復号化装置
US5497383A (en) * 1993-01-22 1996-03-05 Motorola, Inc. Error detector circuit for receiver operative to receive discretely-encoded signals
CA2113941A1 (fr) * 1993-01-25 1994-07-26 Andrew J. Macdonald Decodeur et methode de decodage a correction des erreurs pour recepteur de systeme de communication cellulaire numerique
DE69421306T2 (de) * 1993-02-19 2000-04-13 Nec Corp Verfahren und Gerät für Kodage zur Fehlerkontrolle in einem digitalen Datenkommunikationssystem
FI96248C (fi) * 1993-05-06 1996-05-27 Nokia Mobile Phones Ltd Menetelmä pitkän aikavälin synteesisuodattimen toteuttamiseksi sekä synteesisuodatin puhekoodereihin
JPH06334697A (ja) * 1993-05-20 1994-12-02 Matsushita Electric Ind Co Ltd 誤り検出方法
US5659659A (en) * 1993-07-26 1997-08-19 Alaris, Inc. Speech compressor using trellis encoding and linear prediction
GB2281179B (en) * 1993-08-18 1998-03-11 Roke Manor Research Apparatus for use in equipment providing a digital radio link between a fixed and a mobile radio unit
FI98164C (fi) * 1994-01-24 1997-04-25 Nokia Mobile Phones Ltd Puhekooderin parametrien käsittely tietoliikennejärjestelmän vastaanottimessa
JPH07283740A (ja) * 1994-04-05 1995-10-27 Sony Corp 送信装置、受信装置、および伝送システム
US5602961A (en) * 1994-05-31 1997-02-11 Alaris, Inc. Method and apparatus for speech compression using multi-mode code excited linear predictive coding
US5717723A (en) * 1994-08-17 1998-02-10 Roke Manor Research Limited Apparatus for use in equipment providing a digital radio link between a fixed radio unit and a mobile radio unit
US5499254A (en) * 1994-08-31 1996-03-12 Nec Corporation Apparatus for error-correct decoding in a digital data communications system
FI944345A (fi) * 1994-09-19 1996-03-20 Nokia Telecommunications Oy Menetelmä virheellisten puhekehysten tunnistamiseksi puhetta välittävän tietoliikennejärjestelmän vastaanottimessa, sekä tietoliikennejärjestelmän vastaanotin
FR2729247A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
FR2729244B1 (fr) * 1995-01-06 1997-03-28 Matra Communication Procede de codage de parole a analyse par synthese
FR2729246A1 (fr) * 1995-01-06 1996-07-12 Matra Communication Procede de codage de parole a analyse par synthese
FI950917A (fi) * 1995-02-28 1996-08-29 Nokia Telecommunications Oy Puhekoodausparametrien käsittely tietoliikennejärjestelmässä
JP3394119B2 (ja) * 1995-10-17 2003-04-07 沖電気工業株式会社 誤り訂正符号化装置、誤り訂正復号化装置及び通信システム
US5797121A (en) * 1995-12-26 1998-08-18 Motorola, Inc. Method and apparatus for implementing vector quantization of speech parameters
JP2838994B2 (ja) * 1995-12-27 1998-12-16 日本電気株式会社 データ信号受信装置
US6035007A (en) * 1996-03-12 2000-03-07 Ericsson Inc. Effective bypass of error control decoder in a digital radio system
GB2311699B (en) * 1996-03-29 2000-09-20 Nokia Mobile Phones Ltd Method and apparatus for digital communication
US6170073B1 (en) * 1996-03-29 2001-01-02 Nokia Mobile Phones (Uk) Limited Method and apparatus for error detection in digital communications
JP3340618B2 (ja) * 1996-04-19 2002-11-05 松下電器産業株式会社 誤り検出方法
JPH09312620A (ja) * 1996-05-23 1997-12-02 Nec Corp 音声データ補間処理装置
US6233289B1 (en) * 1996-07-17 2001-05-15 Seagate Technolgy, Inc. High rate trellis code for partial response channels
FR2751813B1 (fr) * 1996-07-29 1999-01-08 Alcatel Mobile Comm France Procede et dispositif d'estimation de la nature acceptable ou non acceptable de blocs d'information recus via un systeme de transmission utilisant un codage par blocs
KR100213876B1 (ko) * 1996-10-04 1999-08-02 윤종용 비터비 복호기를 이용한 비트 오율 측정 장치
KR19980025793A (ko) * 1996-10-05 1998-07-15 구자홍 음성데이타 보정방법 및 장치
US5832443A (en) * 1997-02-25 1998-11-03 Alaris, Inc. Method and apparatus for adaptive audio compression and decompression
FI112894B (fi) * 1997-04-10 2004-01-30 Nokia Corp Menetelmä kehysvirhetodennäköisyyden pienentämiseksi tietokehysmuotoisessa tiedonsiirrossa
US6252911B1 (en) * 1997-06-11 2001-06-26 Texas Instruments Incorporated Trellis shaping for PCM modems
AU7655298A (en) * 1997-07-02 1999-01-25 Alcatel Alsthom Compagnie Generale D'electricite Device for transmitting a coded adpcm voice signal
FR2769445B1 (fr) * 1997-10-02 2000-01-14 Matra Communication Dispositif d'emission de signaux numeriques de parole sur un canal de transmission de donnees
JPH11122120A (ja) * 1997-10-17 1999-04-30 Sony Corp 符号化方法及び装置、並びに復号化方法及び装置
US6810377B1 (en) * 1998-06-19 2004-10-26 Comsat Corporation Lost frame recovery techniques for parametric, LPC-based speech coding systems
US6445408B1 (en) 1998-07-22 2002-09-03 D. Scott Watkins Headrest and seat video imaging apparatus
GB2343777B (en) * 1998-11-13 2003-07-02 Motorola Ltd Mitigating errors in a distributed speech recognition process
US7092881B1 (en) * 1999-07-26 2006-08-15 Lucent Technologies Inc. Parametric speech codec for representing synthetic speech in the presence of background noise
JP2001109489A (ja) * 1999-08-03 2001-04-20 Canon Inc 音声情報処理方法、装置および記憶媒体
US6643818B1 (en) 1999-11-19 2003-11-04 International Business Machines Corporation Storing and using the history of data transmission errors to assure data integrity
US7478042B2 (en) * 2000-11-30 2009-01-13 Panasonic Corporation Speech decoder that detects stationary noise signal regions
US6996522B2 (en) * 2001-03-13 2006-02-07 Industrial Technology Research Institute Celp-Based speech coding for fine grain scalability by altering sub-frame pitch-pulse
US7398451B2 (en) * 2001-08-09 2008-07-08 Adaptive Networks, Inc. Error correction process and mechanism
US20060041693A1 (en) * 2004-05-27 2006-02-23 Stmicroelectronics S.R.L. Asynchronous decoupler
KR100900438B1 (ko) * 2006-04-25 2009-06-01 삼성전자주식회사 음성 패킷 복구 장치 및 방법
WO2008007698A1 (fr) * 2006-07-12 2008-01-17 Panasonic Corporation Procédé de compensation des pertes de blocs, appareil de codage audio et appareil de décodage audio
US20110026581A1 (en) * 2007-10-16 2011-02-03 Nokia Corporation Scalable Coding with Partial Eror Protection
WO2011044898A1 (fr) * 2009-10-15 2011-04-21 Widex A/S Prothèse auditive à codec audio et procédé
US8793557B2 (en) 2011-05-19 2014-07-29 Cambrige Silicon Radio Limited Method and apparatus for real-time multidimensional adaptation of an audio coding system
US8819523B2 (en) * 2011-05-19 2014-08-26 Cambridge Silicon Radio Limited Adaptive controller for a configurable audio coding system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59153346A (ja) * 1983-02-21 1984-09-01 Nec Corp 音声符号化・復号化装置
IT1179803B (it) * 1984-10-30 1987-09-16 Cselt Centro Studi Lab Telecom Metodo e dispositivo per la correzione di errori causati da rumore di tipo impulsivo su segnali vocali codificati con bassa velocita di ci fra e trasmessi su canali di comunicazione radio
US4622670A (en) * 1984-12-10 1986-11-11 At&T Bell Laboratories Error-correction coding for multilevel transmission system
ATE50429T1 (de) * 1985-06-14 1990-02-15 Philips Nv System zum uebertragen von worten, gesichert bei einer kombination eines blockcodes und eines rekurrenten kodes, uebertragungsgeraet zur verwendung in solchem system und empfaengergeraet zur verwendung in solchem system.

Also Published As

Publication number Publication date
GB2238933A (en) 1991-06-12
CA2021618C (fr) 2000-12-26
HK82794A (en) 1994-08-26
GB9025313D0 (en) 1991-01-02
US5073940A (en) 1991-12-17
GB2238933B (en) 1994-04-27
JPH03175830A (ja) 1991-07-30

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