[go: up one dir, main page]

PT2711925T - Correção de erro sem canal de retorno em codificação de voz - Google Patents

Correção de erro sem canal de retorno em codificação de voz

Info

Publication number
PT2711925T
PT2711925T PT131947475T PT13194747T PT2711925T PT 2711925 T PT2711925 T PT 2711925T PT 131947475 T PT131947475 T PT 131947475T PT 13194747 T PT13194747 T PT 13194747T PT 2711925 T PT2711925 T PT 2711925T
Authority
PT
Portugal
Prior art keywords
redundant
primary
synthesis model
encoded data
packets
Prior art date
Application number
PT131947475T
Other languages
English (en)
Inventor
Westerlund Magnus
Nohlgren Anders
Uvliden Anders
Svedberg Jonas
Sundqvist Jim
Original Assignee
ERICSSON TELEFON AB L M (publ)
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 ERICSSON TELEFON AB L M (publ) filed Critical ERICSSON TELEFON AB L M (publ)
Publication of PT2711925T publication Critical patent/PT2711925T/pt

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Telephonic Communication Services (AREA)
  • Detection And Correction Of Errors (AREA)
PT131947475T 2000-05-11 2001-05-10 Correção de erro sem canal de retorno em codificação de voz PT2711925T (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/569,312 US6757654B1 (en) 2000-05-11 2000-05-11 Forward error correction in speech coding

Publications (1)

Publication Number Publication Date
PT2711925T true PT2711925T (pt) 2017-09-05

Family

ID=24274909

Family Applications (1)

Application Number Title Priority Date Filing Date
PT131947475T PT2711925T (pt) 2000-05-11 2001-05-10 Correção de erro sem canal de retorno em codificação de voz

Country Status (10)

Country Link
US (1) US6757654B1 (pt)
EP (3) EP1281174B1 (pt)
JP (1) JP4931318B2 (pt)
CN (1) CN1441949A (pt)
AT (1) ATE414315T1 (pt)
AU (1) AU2001258973A1 (pt)
DE (1) DE60136537D1 (pt)
ES (1) ES2527697T3 (pt)
PT (1) PT2711925T (pt)
WO (1) WO2001086637A1 (pt)

Families Citing this family (141)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
US7117156B1 (en) * 1999-04-19 2006-10-03 At&T Corp. Method and apparatus for performing packet loss or frame erasure concealment
US7047190B1 (en) * 1999-04-19 2006-05-16 At&Tcorp. Method and apparatus for performing packet loss or frame erasure concealment
US7315815B1 (en) 1999-09-22 2008-01-01 Microsoft Corporation LPC-harmonic vocoder with superframe structure
US7013267B1 (en) * 2001-07-30 2006-03-14 Cisco Technology, Inc. Method and apparatus for reconstructing voice information
GB2380640A (en) * 2001-08-21 2003-04-09 Micron Technology Inc Data compression method
US7072291B1 (en) * 2001-08-23 2006-07-04 Cisco Technology, Inc. Devices, softwares and methods for redundantly encoding a data stream for network transmission with adjustable redundant-coding delay
US7379865B2 (en) * 2001-10-26 2008-05-27 At&T Corp. System and methods for concealing errors in data transmission
US6671518B2 (en) * 2001-11-19 2003-12-30 Motorola, Inc. Method and apparatus for transmitting voice information
US6934677B2 (en) 2001-12-14 2005-08-23 Microsoft Corporation Quantization matrices based on critical band pattern information for digital audio wherein quantization bands differ from critical bands
US7240001B2 (en) * 2001-12-14 2007-07-03 Microsoft Corporation Quality improvement techniques in an audio encoder
US20030163304A1 (en) * 2002-02-28 2003-08-28 Fisseha Mekuria Error concealment for voice transmission system
US7096180B2 (en) * 2002-05-15 2006-08-22 Intel Corporation Method and apparatuses for improving quality of digitally encoded speech in the presence of interference
CA2388439A1 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for efficient frame erasure concealment in linear predictive based speech codecs
AU2003251491A1 (en) * 2002-06-07 2003-12-22 Yahoo. Inc. Method and system for controling and monitoring a web-cast
US7103538B1 (en) * 2002-06-10 2006-09-05 Mindspeed Technologies, Inc. Fixed code book with embedded adaptive code book
US7299190B2 (en) * 2002-09-04 2007-11-20 Microsoft Corporation Quantization and inverse quantization for audio
JP4676140B2 (ja) * 2002-09-04 2011-04-27 マイクロソフト コーポレーション オーディオの量子化および逆量子化
US7502743B2 (en) * 2002-09-04 2009-03-10 Microsoft Corporation Multi-channel audio encoding and decoding with multi-channel transform selection
US7359979B2 (en) * 2002-09-30 2008-04-15 Avaya Technology Corp. Packet prioritization and associated bandwidth and buffer management techniques for audio over IP
US20040073428A1 (en) * 2002-10-10 2004-04-15 Igor Zlokarnik Apparatus, methods, and programming for speech synthesis via bit manipulations of compressed database
JP4287637B2 (ja) * 2002-10-17 2009-07-01 パナソニック株式会社 音声符号化装置、音声符号化方法及びプログラム
US7191384B2 (en) * 2002-10-17 2007-03-13 Qualcomm Incorporated Method and apparatus for transmitting and receiving a block of data in a communication system
KR20050097989A (ko) * 2003-02-06 2005-10-10 돌비 레버러토리즈 라이쎈싱 코오포레이션 연속 백업 오디오
US7085282B2 (en) * 2003-07-01 2006-08-01 Thomson Licensing Method and apparatus for providing forward error correction
KR100651712B1 (ko) * 2003-07-10 2006-11-30 학교법인연세대학교 광대역 음성 부호화기 및 그 방법과 광대역 음성 복호화기및 그 방법
US20050065787A1 (en) * 2003-09-23 2005-03-24 Jacek Stachurski Hybrid speech coding and system
EP1671424B1 (en) * 2003-10-08 2012-06-06 Digital Fountain, Inc. Fec-based reliability control protocols
US7729267B2 (en) * 2003-11-26 2010-06-01 Cisco Technology, Inc. Method and apparatus for analyzing a media path in a packet switched network
US7835916B2 (en) * 2003-12-19 2010-11-16 Telefonaktiebolaget Lm Ericsson (Publ) Channel signal concealment in multi-channel audio systems
FR2865310A1 (fr) * 2004-01-20 2005-07-22 France Telecom Procede de restauration de partiels d'un signal sonore
JP4712704B2 (ja) * 2004-02-09 2011-06-29 パナソニック株式会社 放送受信装置、放送受信方法、放送受信プログラム及び放送受信回路
US7668712B2 (en) * 2004-03-31 2010-02-23 Microsoft Corporation Audio encoding and decoding with intra frames and adaptive forward error correction
FR2869744A1 (fr) * 2004-04-29 2005-11-04 Thomson Licensing Sa Methode de transmission de paquets de donnees numeriques et appareil implementant la methode
JP4318119B2 (ja) * 2004-06-18 2009-08-19 国立大学法人京都大学 音響信号処理方法、音響信号処理装置、音響信号処理システム及びコンピュータプログラム
GB0416720D0 (en) * 2004-07-27 2004-09-01 British Telecomm Method and system for voice over IP streaming optimisation
JP4558734B2 (ja) * 2004-07-28 2010-10-06 パナソニック株式会社 信号復号化装置
JP4500137B2 (ja) * 2004-09-07 2010-07-14 日本放送協会 パリティ時差送信システム、送信装置、及び受信装置
US8966551B2 (en) 2007-11-01 2015-02-24 Cisco Technology, Inc. Locating points of interest using references to media frames within a packet flow
US9197857B2 (en) * 2004-09-24 2015-11-24 Cisco Technology, Inc. IP-based stream splicing with content-specific splice points
US7873515B2 (en) * 2004-11-23 2011-01-18 Stmicroelectronics Asia Pacific Pte. Ltd. System and method for error reconstruction of streaming audio information
US20060215683A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for voice quality enhancement
US20060217970A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for noise reduction
US20060217972A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for modifying an encoded signal
US20070160154A1 (en) * 2005-03-28 2007-07-12 Sukkar Rafid A Method and apparatus for injecting comfort noise in a communications signal
US20060217983A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for injecting comfort noise in a communications system
US20060217988A1 (en) * 2005-03-28 2006-09-28 Tellabs Operations, Inc. Method and apparatus for adaptive level control
SG163556A1 (en) * 2005-04-01 2010-08-30 Qualcomm Inc Systems, methods, and apparatus for wideband speech coding
PT1875463T (pt) * 2005-04-22 2019-01-24 Qualcomm Inc Sistemas, métodos e aparelho para nivelamento de fator de ganho
US7447983B2 (en) * 2005-05-13 2008-11-04 Verizon Services Corp. Systems and methods for decoding forward error correcting codes
US7831421B2 (en) * 2005-05-31 2010-11-09 Microsoft Corporation Robust decoder
US7707034B2 (en) * 2005-05-31 2010-04-27 Microsoft Corporation Audio codec post-filter
US7177804B2 (en) * 2005-05-31 2007-02-13 Microsoft Corporation Sub-band voice codec with multi-stage codebooks and redundant coding
JP4604851B2 (ja) * 2005-06-02 2011-01-05 ソニー株式会社 送信装置、受信装置、送信処理方法、受信処理方法、それらのプログラム
US7539612B2 (en) * 2005-07-15 2009-05-26 Microsoft Corporation Coding and decoding scale factor information
DE102005039621A1 (de) * 2005-08-19 2007-03-01 Micronas Gmbh Verfahren und Vorrichtung zur adaptiven Reduktion von Rausch- und Hintergrundsignalen in einem sprachverarbeitenden System
US20070174047A1 (en) * 2005-10-18 2007-07-26 Anderson Kyle D Method and apparatus for resynchronizing packetized audio streams
US8620644B2 (en) * 2005-10-26 2013-12-31 Qualcomm Incorporated Encoder-assisted frame loss concealment techniques for audio coding
US8255207B2 (en) * 2005-12-28 2012-08-28 Voiceage Corporation Method and device for efficient frame erasure concealment in speech codecs
US7457746B2 (en) * 2006-03-20 2008-11-25 Mindspeed Technologies, Inc. Pitch prediction for packet loss concealment
EP2040251B1 (en) * 2006-07-12 2019-10-09 III Holdings 12, LLC Audio decoding device and audio encoding device
JPWO2008007698A1 (ja) * 2006-07-12 2009-12-10 パナソニック株式会社 消失フレーム補償方法、音声符号化装置、および音声復号装置
US9872045B2 (en) 2006-10-16 2018-01-16 Conversant Wireless Licensing S.A R.L. Method, electronic device, system, computer program product and circuit assembly for reducing error in video coding
JP5123516B2 (ja) * 2006-10-30 2013-01-23 株式会社エヌ・ティ・ティ・ドコモ 復号装置、符号化装置、復号方法及び符号化方法
JP5013822B2 (ja) * 2006-11-09 2012-08-29 キヤノン株式会社 音声処理装置とその制御方法、及び、コンピュータプログラム
KR101291193B1 (ko) * 2006-11-30 2013-07-31 삼성전자주식회사 프레임 오류은닉방법
KR101153694B1 (ko) * 2006-12-11 2012-06-18 닛본 덴끼 가부시끼가이샤 미디어 송수신 방법, 미디어 송신 방법, 미디어 수신 방법, 미디어 송수신 장치, 미디어 송신 장치, 미디어 수신 장치, 게이트웨이 장치 및 미디어 서버
US7738383B2 (en) * 2006-12-21 2010-06-15 Cisco Technology, Inc. Traceroute using address request messages
US7706278B2 (en) * 2007-01-24 2010-04-27 Cisco Technology, Inc. Triggering flow analysis at intermediary devices
WO2008108080A1 (ja) * 2007-03-02 2008-09-12 Panasonic Corporation 音声符号化装置及び音声復号装置
WO2008108083A1 (ja) * 2007-03-02 2008-09-12 Panasonic Corporation 音声符号化装置および音声符号化方法
GB0705328D0 (en) 2007-03-20 2007-04-25 Skype Ltd Method of transmitting data in a communication system
EP1981170A1 (en) 2007-04-13 2008-10-15 Global IP Solutions (GIPS) AB Adaptive, scalable packet loss recovery
US8023419B2 (en) 2007-05-14 2011-09-20 Cisco Technology, Inc. Remote monitoring of real-time internet protocol media streams
US7936695B2 (en) * 2007-05-14 2011-05-03 Cisco Technology, Inc. Tunneling reports for real-time internet protocol media streams
MX2009013519A (es) 2007-06-11 2010-01-18 Fraunhofer Ges Forschung Codificador de audio para codificar una señal de audio que tiene una porcion similar a un impulso y una porcion estacionaria, metodos de codificacion, decodificador, metodo de decodificacion, y señal de audio codificada.
CN101325631B (zh) * 2007-06-14 2010-10-20 华为技术有限公司 一种估计基音周期的方法和装置
US7835406B2 (en) 2007-06-18 2010-11-16 Cisco Technology, Inc. Surrogate stream for monitoring realtime media
US8386246B2 (en) * 2007-06-27 2013-02-26 Broadcom Corporation Low-complexity frame erasure concealment
US7817546B2 (en) 2007-07-06 2010-10-19 Cisco Technology, Inc. Quasi RTP metrics for non-RTP media flows
KR101235830B1 (ko) * 2007-12-06 2013-02-21 한국전자통신연구원 음성코덱의 품질향상장치 및 그 방법
EP2242048B1 (en) 2008-01-09 2017-06-14 LG Electronics Inc. Method and apparatus for identifying frame type
KR100998396B1 (ko) * 2008-03-20 2010-12-03 광주과학기술원 프레임 손실 은닉 방법, 프레임 손실 은닉 장치 및 음성송수신 장치
CN101552008B (zh) * 2008-04-01 2011-11-16 华为技术有限公司 语音编码方法及装置、语音解码方法及装置
US8139655B2 (en) * 2008-06-09 2012-03-20 Sony Corporation System and method for effectively transferring electronic information
US8670573B2 (en) * 2008-07-07 2014-03-11 Robert Bosch Gmbh Low latency ultra wideband communications headset and operating method therefor
GB2466675B (en) 2009-01-06 2013-03-06 Skype Speech coding
GB2466673B (en) 2009-01-06 2012-11-07 Skype Quantization
GB2466669B (en) * 2009-01-06 2013-03-06 Skype Speech coding
GB2466674B (en) * 2009-01-06 2013-11-13 Skype Speech coding
GB2466672B (en) * 2009-01-06 2013-03-13 Skype Speech coding
GB2466670B (en) * 2009-01-06 2012-11-14 Skype Speech encoding
GB2466671B (en) * 2009-01-06 2013-03-27 Skype Speech encoding
JP5111430B2 (ja) * 2009-04-24 2013-01-09 パナソニック株式会社 音声符号化装置、音声復号化装置、及びこれらの方法
US8452606B2 (en) * 2009-09-29 2013-05-28 Skype Speech encoding using multiple bit rates
US8301982B2 (en) * 2009-11-18 2012-10-30 Cisco Technology, Inc. RTP-based loss recovery and quality monitoring for non-IP and raw-IP MPEG transport flows
US9812141B2 (en) 2010-01-08 2017-11-07 Nippon Telegraph And Telephone Corporation Encoding method, decoding method, encoder apparatus, decoder apparatus, and recording medium for processing pitch periods corresponding to time series signals
US8819714B2 (en) 2010-05-19 2014-08-26 Cisco Technology, Inc. Ratings and quality measurements for digital broadcast viewers
US9082416B2 (en) * 2010-09-16 2015-07-14 Qualcomm Incorporated Estimating a pitch lag
US8774010B2 (en) 2010-11-02 2014-07-08 Cisco Technology, Inc. System and method for providing proactive fault monitoring in a network environment
US8559341B2 (en) 2010-11-08 2013-10-15 Cisco Technology, Inc. System and method for providing a loop free topology in a network environment
WO2012110416A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoding and decoding of pulse positions of tracks of an audio signal
TWI483245B (zh) 2011-02-14 2015-05-01 Fraunhofer Ges Forschung 利用重疊變換之資訊信號表示技術
MX2013009344A (es) 2011-02-14 2013-10-01 Fraunhofer Ges Forschung Aparato y metodo para procesar una señal de audio decodificada en un dominio espectral.
JP5914527B2 (ja) 2011-02-14 2016-05-11 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン 過渡検出及び品質結果を使用してオーディオ信号の一部分を符号化する装置及び方法
TWI479478B (zh) 2011-02-14 2015-04-01 Fraunhofer Ges Forschung 用以使用對齊的預看部分將音訊信號解碼的裝置與方法
MX2013009303A (es) 2011-02-14 2013-09-13 Fraunhofer Ges Forschung Codec de audio utilizando sintesis de ruido durante fases inactivas.
CA2827000C (en) * 2011-02-14 2016-04-05 Jeremie Lecomte Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
TWI488176B (zh) 2011-02-14 2015-06-11 Fraunhofer Ges Forschung 音訊信號音軌脈衝位置之編碼與解碼技術
US8982733B2 (en) 2011-03-04 2015-03-17 Cisco Technology, Inc. System and method for managing topology changes in a network environment
US8670326B1 (en) 2011-03-31 2014-03-11 Cisco Technology, Inc. System and method for probing multiple paths in a network environment
US9026434B2 (en) * 2011-04-11 2015-05-05 Samsung Electronic Co., Ltd. Frame erasure concealment for a multi rate speech and audio codec
US8724517B1 (en) 2011-06-02 2014-05-13 Cisco Technology, Inc. System and method for managing network traffic disruption
US8830875B1 (en) 2011-06-15 2014-09-09 Cisco Technology, Inc. System and method for providing a loop free topology in a network environment
JP5328883B2 (ja) * 2011-12-02 2013-10-30 パナソニック株式会社 Ｃｅｌｐ型音声復号化装置およびｃｅｌｐ型音声復号化方法
US9275644B2 (en) * 2012-01-20 2016-03-01 Qualcomm Incorporated Devices for redundant frame coding and decoding
US8953612B2 (en) * 2012-03-07 2015-02-10 Cmmb Vision Usa Inc Efficient broadcasting via random linear packet combining
CN103516469B (zh) * 2012-06-25 2019-04-23 中兴通讯股份有限公司 语音帧的发送、接收装置及方法
US9450846B1 (en) 2012-10-17 2016-09-20 Cisco Technology, Inc. System and method for tracking packets in a network environment
AU2013345949B2 (en) 2012-11-15 2017-05-04 Ntt Docomo, Inc. Audio coding device, audio coding method, audio coding program, audio decoding device, audio decoding method, and audio decoding program
US9842598B2 (en) 2013-02-21 2017-12-12 Qualcomm Incorporated Systems and methods for mitigating potential frame instability
CA2915014C (en) * 2013-06-21 2020-03-31 Michael Schnabel Apparatus and method realizing a fading of an mdct spectrum to white noise prior to fdns application
US10614816B2 (en) * 2013-10-11 2020-04-07 Qualcomm Incorporated Systems and methods of communicating redundant frame information
BR122022008596B1 (pt) 2013-10-31 2023-01-31 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Decodificador de áudio e método para fornecer uma informação de áudio decodificada utilizando uma dissimulação de erro que modifica um sinal de excitação no domínio de tempo
ES2739477T3 (es) * 2013-10-31 2020-01-31 Fraunhofer Ges Forschung Decodificador de audio y método para proporcionar una información de audio decodificada usando un ocultamiento de errores en base a una señal de excitación de dominio de tiempo
CN104751849B (zh) * 2013-12-31 2017-04-19 华为技术有限公司 语音频码流的解码方法及装置
EP2922056A1 (en) 2014-03-19 2015-09-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and corresponding computer program for generating an error concealment signal using power compensation
EP2922054A1 (en) 2014-03-19 2015-09-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and corresponding computer program for generating an error concealment signal using an adaptive noise estimation
EP2922055A1 (en) * 2014-03-19 2015-09-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and corresponding computer program for generating an error concealment signal using individual replacement LPC representations for individual codebook information
CN107369454B (zh) * 2014-03-21 2020-10-27 华为技术有限公司 语音频码流的解码方法及装置
BR112016022466B1 (pt) 2014-04-17 2020-12-08 Voiceage Evs Llc método para codificar um sinal sonoro, método para decodificar um sinal sonoro, dispositivo para codificar um sinal sonoro e dispositivo para decodificar um sinal sonoro
PL3139382T3 (pl) 2014-05-01 2019-11-29 Nippon Telegraph & Telephone Urządzenie kodujące sygnał dźwiękowy, sposób kodowania sygnału dźwiękowego, program i nośnik rejestrujący
CN107112022B (zh) * 2014-07-28 2020-11-10 三星电子株式会社 用于时域数据包丢失隐藏的方法
TWI602172B (zh) 2014-08-27 2017-10-11 弗勞恩霍夫爾協會 使用參數以加強隱蔽之用於編碼及解碼音訊內容的編碼器、解碼器及方法
CN105741843B (zh) * 2014-12-10 2019-09-20 辰芯科技有限公司 一种基于延时抖动的丢包补偿方法及系统
GB201503828D0 (en) 2015-03-06 2015-04-22 Microsoft Technology Licensing Llc Redundancy scheme
US10504525B2 (en) * 2015-10-10 2019-12-10 Dolby Laboratories Licensing Corporation Adaptive forward error correction redundant payload generation
US10049681B2 (en) * 2015-10-29 2018-08-14 Qualcomm Incorporated Packet bearing signaling information indicative of whether to decode a primary coding or a redundant coding of the packet
US10049682B2 (en) * 2015-10-29 2018-08-14 Qualcomm Incorporated Packet bearing signaling information indicative of whether to decode a primary coding or a redundant coding of the packet
EP3624349B1 (en) * 2017-05-24 2023-06-14 Huawei Technologies Co., Ltd. Decoding method and device
CN109524015B (zh) * 2017-09-18 2022-04-15 杭州海康威视数字技术股份有限公司 音频编码方法、解码方法、装置及音频编解码系统

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1123955A (en) * 1978-03-30 1982-05-18 Tetsu Taguchi Speech analysis and synthesis apparatus
EP0203773B1 (en) * 1985-05-21 1992-07-15 Sony Corporation Apparatus for decoding error correcting code
US4802171A (en) * 1987-06-04 1989-01-31 Motorola, Inc. Method for error correction in digitally encoded speech
JPH0624348B2 (ja) * 1988-05-24 1994-03-30 日本電気株式会社 誤り訂正装置における同期検出方法およびその装置並びに該装置を用いる同期方法
JPH0292037A (ja) * 1988-09-28 1990-03-30 Fujitsu Ltd 音声符号切替方式
FR2674709A1 (fr) * 1991-03-29 1992-10-02 Philips Electronique Lab Decodeur multietages.
SE501340C2 (sv) * 1993-06-11 1995-01-23 Ericsson Telefon Ab L M Döljande av transmissionsfel i en talavkodare
EP0646866A3 (en) * 1993-09-30 1998-05-27 STMicroelectronics, Inc. Redundant line decoder master enable
JPH08263099A (ja) * 1995-03-23 1996-10-11 Toshiba Corp 符号化装置
US5717819A (en) * 1995-04-28 1998-02-10 Motorola, Inc. Methods and apparatus for encoding/decoding speech signals at low bit rates
JPH09182067A (ja) * 1995-10-27 1997-07-11 Toshiba Corp 画像符号化／復号化装置
US5701311A (en) * 1996-02-08 1997-12-23 Motorola, Inc. Redundant acknowledgements for packetized data in noisy links and method thereof
US5838267A (en) * 1996-10-09 1998-11-17 Ericsson, Inc. Method and apparatus for encoding and decoding digital information
US5870412A (en) * 1997-12-12 1999-02-09 3Com Corporation Forward error correction system for packet based real time media
JP3974712B2 (ja) * 1998-08-31 2007-09-12 富士通株式会社 ディジタル放送用送信・受信再生方法及びディジタル放送用送信・受信再生システム並びにディジタル放送用送信装置及びディジタル放送用受信再生装置
GB9820655D0 (en) 1998-09-22 1998-11-18 British Telecomm Packet transmission

Also Published As

Publication number Publication date
US6757654B1 (en) 2004-06-29
EP2017829A3 (en) 2009-08-26
EP1281174B1 (en) 2008-11-12
JP4931318B2 (ja) 2012-05-16
CN1441949A (zh) 2003-09-10
EP2017829A2 (en) 2009-01-21
WO2001086637A1 (en) 2001-11-15
ATE414315T1 (de) 2008-11-15
EP2711925A2 (en) 2014-03-26
AU2001258973A1 (en) 2001-11-20
EP1281174A1 (en) 2003-02-05
JP2003533916A (ja) 2003-11-11
DE60136537D1 (de) 2008-12-24
ES2527697T3 (es) 2015-01-28
EP2711925B1 (en) 2017-07-19
EP2017829B1 (en) 2014-10-29
EP2711925A3 (en) 2014-04-30

Similar Documents

Publication Publication Date Title
PT2711925T (pt) Correção de erro sem canal de retorno em codificação de voz
MY134481A (en) Method and apparatus for providing forward error correction
DE69805849D1 (de) Ein vorwärtsfehlerkorrektionssystem für packetbasierte echtzeitmedien
EP1355471A3 (en) Error resilient windows media audio coding
EP1396954A4 (en) ERROR CORRECTION MULTIPLEX DEVICE, ERROR CORRECTION DEMULTIPLEX DEVICE, OPTICAL TRANSMISSION SYSTEM USING THIS AND ERROR CORRECTION MULTIPLEX TRANSMISSION PROCESS
EP1579425A4 (en) METHOD AND DEVICE FOR HIDING PACKAGE LOSSES IN THE COMPRESSED AREA
SE0002016D0 (sv) Arrangement and method relating to communication of speech
WO2007126968A3 (en) System and method of correcting video data errors
EP1365558A3 (en) Reusable multi-protocol meta-architecture for voice-over-ip playback
AU2002304362A1 (en) Forward error correction coding in ethernet networks
CA2281353A1 (en) Method and apparatus for transmitting mpeg video over the internet
WO2004030433A3 (en) Multimedia streming in a network with a bottleneck link
AU2003251388A1 (en) Forward error correction method and system for reliable transmission of real time data over a packet based networks
CA2281211A1 (en) Method and apparatus for receiving mpeg video over the internet
MXPA03010874A (es) Codificaion jerarquica de bloques para un sistema de comunicaciones a base de paquetes.
AU2002330359A1 (en) Method for compressing a hierarchical tree, corresponding signal and method for decoding a signal.
AU2002235276A1 (en) Forward error correction (fec) for packetized data networks
WO2000059153A3 (en) Duty cycle corrector for a random number generator
US8514945B2 (en) IP stream tramsmitting/receiving system, IP stream receiving device and receiving process timing synchronization method used for the same
CA2244624A1 (en) Method and system for aligning natural and synthetic video to speech synthesis
EP1239624A3 (en) Method and system for frame synchronous forward error correction
CN108696491A (zh) 音频数据的发送处理方法与装置、接收处理方法与装置
AU2003250259A1 (en) Method and arrangement for encoding or decoding a sequence of digital data
CA2367055A1 (en) Video coding and decoding apparatus with error correction for handling arbitrary shaped blocks
WO2008021304A3 (en) Data encoder