DE60038913D1 - Fehlererkennung und Fehlerverdeckung für kodierte Sprachdaten - Google Patents

Fehlererkennung und Fehlerverdeckung für kodierte Sprachdaten

Info

Publication number
DE60038913D1
DE60038913D1 DE60038913T DE60038913T DE60038913D1 DE 60038913 D1 DE60038913 D1 DE 60038913D1 DE 60038913 T DE60038913 T DE 60038913T DE 60038913 T DE60038913 T DE 60038913T DE 60038913 D1 DE60038913 D1 DE 60038913D1
Authority
DE
Germany
Prior art keywords
error
voice data
coded voice
error detection
concealment
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 - Lifetime
Application number
DE60038913T
Other languages
English (en)
Inventor
Yuuji Maeda
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE60038913D1 publication Critical patent/DE60038913D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/89—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving methods or arrangements for detection of transmission errors at the decoder
    • 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
    • H04L1/0059—Convolutional codes
    • 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
    • H03M13/23—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
    • 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
    • H04L1/0041—Arrangements at the transmitter end
    • 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
    • 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
    • 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
    • H04L1/0061—Error detection 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
    • H04L1/007—Unequal error protection
    • 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
    • H04L1/0078—Avoidance of errors by organising the transmitted data in a format specifically designed to deal with errors, e.g. location
    • H04L1/0079—Formats for control data
    • H04L1/0082—Formats for control data fields explicitly indicating existence of error in data being transmitted, e.g. so that downstream stations can avoid decoding erroneous packet; relays
    • 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)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Artificial Intelligence (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Communication Control (AREA)
DE60038913T 1999-06-17 2000-06-15 Fehlererkennung und Fehlerverdeckung für kodierte Sprachdaten Expired - Lifetime DE60038913D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17057499A JP4218134B2 (ja) 1999-06-17 1999-06-17 復号装置及び方法、並びにプログラム提供媒体

Publications (1)

Publication Number Publication Date
DE60038913D1 true DE60038913D1 (de) 2008-06-26

Family

ID=15907371

Family Applications (2)

Application Number Title Priority Date Filing Date
DE60026660T Expired - Lifetime DE60026660T2 (de) 1999-06-17 2000-06-15 Fehlererkennung und Fehlerverdeckung für kodierte Sprachdaten
DE60038913T Expired - Lifetime DE60038913D1 (de) 1999-06-17 2000-06-15 Fehlererkennung und Fehlerverdeckung für kodierte Sprachdaten

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE60026660T Expired - Lifetime DE60026660T2 (de) 1999-06-17 2000-06-15 Fehlererkennung und Fehlerverdeckung für kodierte Sprachdaten

Country Status (7)

Country Link
US (1) US6658378B1 (de)
EP (2) EP1596364B1 (de)
JP (1) JP4218134B2 (de)
KR (1) KR100718712B1 (de)
CN (2) CN100512022C (de)
DE (2) DE60026660T2 (de)
TW (1) TW466843B (de)

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US6681203B1 (en) * 1999-02-26 2004-01-20 Lucent Technologies Inc. Coupled error code protection for multi-mode vocoders
RU2003125267A (ru) * 2001-01-17 2005-02-27 Конинклейке Филипс Электроникс Н.В. (Nl) Способ защиты передачи потока данных без потерь и устройство для его осуществления
JP4711099B2 (ja) * 2001-06-26 2011-06-29 ソニー株式会社 送信装置および送信方法、送受信装置および送受信方法、並びにプログラムおよび記録媒体
KR100467326B1 (ko) * 2002-12-09 2005-01-24 학교법인연세대학교 추가 비트 할당 기법을 이용한 음성 부호화 및 복호화를위한 송수신기
US8359197B2 (en) * 2003-04-01 2013-01-22 Digital Voice Systems, Inc. Half-rate vocoder
US7778826B2 (en) * 2005-01-13 2010-08-17 Intel Corporation Beamforming codebook generation system and associated methods
US7475103B2 (en) * 2005-03-17 2009-01-06 Qualcomm Incorporated Efficient check node message transform approximation for LDPC decoder
CN101199005B (zh) * 2005-06-17 2011-11-09 松下电器产业株式会社 后置滤波器、解码装置以及后置滤波处理方法
KR101244310B1 (ko) * 2006-06-21 2013-03-18 삼성전자주식회사 광대역 부호화 및 복호화 방법 및 장치
DE602006015376D1 (de) * 2006-12-07 2010-08-19 Akg Acoustics Gmbh Vorrichtung zur ausblendung von signalausfällen für eine mehrkanalanordnung
CN101232347B (zh) * 2007-01-23 2011-01-12 联芯科技有限公司 语音传输的方法及amr系统
CN101141644B (zh) * 2007-10-17 2010-12-08 清华大学 编码集成系统和方法与解码集成系统和方法
US20090287489A1 (en) * 2008-05-15 2009-11-19 Palm, Inc. Speech processing for plurality of users
MX2011000375A (es) * 2008-07-11 2011-05-19 Fraunhofer Ges Forschung Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada.
WO2010103854A2 (ja) * 2009-03-13 2010-09-16 パナソニック株式会社 音声符号化装置、音声復号装置、音声符号化方法及び音声復号方法
TWI392373B (zh) * 2009-09-04 2013-04-01 Nat Univ Chung Cheng The Method of Reverse Conversion and Sub - sampling of Low Computational Complexity
US9117458B2 (en) * 2009-11-12 2015-08-25 Lg Electronics Inc. Apparatus for processing an audio signal and method thereof
JP5850216B2 (ja) 2010-04-13 2016-02-03 ソニー株式会社 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム
CN102325224B (zh) * 2011-09-16 2014-01-22 成都摩宝网络科技有限公司 音频数据传输系统、传输方法及其应用
CN103138880B (zh) * 2011-11-30 2016-03-16 北京东方广视科技股份有限公司 编解码方法和设备
US9105270B2 (en) * 2013-02-08 2015-08-11 Asustek Computer Inc. Method and apparatus for audio signal enhancement in reverberant environment
TWI557724B (zh) * 2013-09-27 2016-11-11 杜比實驗室特許公司 用於將 n 聲道音頻節目編碼之方法、用於恢復 n 聲道音頻節目的 m 個聲道之方法、被配置成將 n 聲道音頻節目編碼之音頻編碼器及被配置成執行 n 聲道音頻節目的恢復之解碼器
CN105849801B (zh) 2013-12-27 2020-02-14 索尼公司 解码设备和方法以及程序
EP2922056A1 (de) 2014-03-19 2015-09-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung, Verfahren und zugehöriges Computerprogramm zur Erzeugung eines Fehlerverschleierungssignals unter Verwendung von Leistungskompensation
EP2922054A1 (de) 2014-03-19 2015-09-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung, Verfahren und zugehöriges Computerprogramm zur Erzeugung eines Fehlerverschleierungssignals unter Verwendung einer adaptiven Rauschschätzung
EP2922055A1 (de) 2014-03-19 2015-09-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung, Verfahren und zugehöriges Computerprogramm zur Erzeugung eines Fehlerverschleierungssignals mit einzelnen Ersatz-LPC-Repräsentationen für individuelle Codebuchinformationen
DE102015113020B4 (de) * 2015-08-07 2023-10-05 Digital Endoscopy Gmbh Endoskopkopf
US10361717B2 (en) * 2016-06-17 2019-07-23 Huawei Technologies Co., Ltd. Apparatus and methods for error detection coding
US10880062B2 (en) * 2017-06-29 2020-12-29 Qualcomm Incorporated Providing protection for information delivered in demodulation reference signals (DMRS)
CN110190857B (zh) * 2019-04-28 2023-04-11 深圳大学 一种crc辅助校验极化码译码方法和智能终端
CN114915380B (zh) * 2022-07-19 2022-09-30 中国科学院宁波材料技术与工程研究所 基于can总线的低成本高实时自动纠错通讯系统及方法

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US5255343A (en) * 1992-06-26 1993-10-19 Northern Telecom Limited Method for detecting and masking bad frames in coded speech signals
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
WO1995001633A1 (fr) * 1993-06-30 1995-01-12 Sony Corporation Procede et appareil de codage de signaux numeriques, procede et appareil de decodage des signaux codes, et support d'enregistrement des signaux codes
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Also Published As

Publication number Publication date
TW466843B (en) 2001-12-01
EP1061503A3 (de) 2003-05-14
DE60026660T2 (de) 2006-12-07
CN1604483A (zh) 2005-04-06
CN100512022C (zh) 2009-07-08
DE60026660D1 (de) 2006-05-11
KR100718712B1 (ko) 2007-05-15
JP2000357999A (ja) 2000-12-26
CN1283007A (zh) 2001-02-07
JP4218134B2 (ja) 2009-02-04
KR20010007417A (ko) 2001-01-26
EP1596364A1 (de) 2005-11-16
EP1061503A2 (de) 2000-12-20
US6658378B1 (en) 2003-12-02
EP1596364B1 (de) 2008-05-14
EP1061503B1 (de) 2006-03-15
CN1201288C (zh) 2005-05-11

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Legal Events

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