ZA200805054B - Method and device for efficient frame erasure concealment in speech codes - Google Patents

Method and device for efficient frame erasure concealment in speech codes

Info

Publication number
ZA200805054B
ZA200805054B ZA200805054A ZA200805054A ZA200805054B ZA 200805054 B ZA200805054 B ZA 200805054B ZA 200805054 A ZA200805054 A ZA 200805054A ZA 200805054 A ZA200805054 A ZA 200805054A ZA 200805054 B ZA200805054 B ZA 200805054B
Authority
ZA
South Africa
Prior art keywords
frame erasure
erasure concealment
efficient frame
speech codes
speech
Prior art date
Application number
ZA200805054A
Other languages
English (en)
Inventor
Vaillancourt Tommy
Jelinek Milan
Gournay Philippe
Salami Redwan
Original Assignee
Voiceage 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38217654&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA200805054(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Voiceage Corp filed Critical Voiceage Corp
Publication of ZA200805054B publication Critical patent/ZA200805054B/xx

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/005Correction of errors induced by the transmission channel, if related to the coding algorithm
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
ZA200805054A 2005-12-28 2008-06-10 Method and device for efficient frame erasure concealment in speech codes ZA200805054B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75418705P 2005-12-28 2005-12-28

Publications (1)

Publication Number Publication Date
ZA200805054B true ZA200805054B (en) 2009-03-25

Family

ID=38217654

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200805054A ZA200805054B (en) 2005-12-28 2008-06-10 Method and device for efficient frame erasure concealment in speech codes

Country Status (16)

Country Link
US (1) US8255207B2 (ko)
EP (1) EP1979895B1 (ko)
JP (1) JP5149198B2 (ko)
KR (1) KR20080080235A (ko)
CN (1) CN101379551A (ko)
AU (1) AU2006331305A1 (ko)
BR (1) BRPI0620838A2 (ko)
CA (1) CA2628510C (ko)
DK (1) DK1979895T3 (ko)
ES (1) ES2434947T3 (ko)
NO (1) NO20083167L (ko)
PL (1) PL1979895T3 (ko)
PT (1) PT1979895E (ko)
RU (1) RU2419891C2 (ko)
WO (1) WO2007073604A1 (ko)
ZA (1) ZA200805054B (ko)

Families Citing this family (98)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8370138B2 (en) * 2006-03-17 2013-02-05 Panasonic Corporation Scalable encoding device and scalable encoding method including quality improvement of a decoded signal
US9159333B2 (en) * 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
BRPI0718423B1 (pt) * 2006-10-20 2020-03-10 France Telecom Método para sintetizar um sinal de áudio digital, dispositivo de síntese de sinal de áudio digital, dispositivo para receber um sinal de áudio digital, e memória de um dispositivo de síntese de sinal de áudio digital
KR101292771B1 (ko) * 2006-11-24 2013-08-16 삼성전자주식회사 오디오 신호의 오류은폐방법 및 장치
KR100862662B1 (ko) * 2006-11-28 2008-10-10 삼성전자주식회사 프레임 오류 은닉 방법 및 장치, 이를 이용한 오디오 신호복호화 방법 및 장치
KR101414341B1 (ko) * 2007-03-02 2014-07-22 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 부호화 장치 및 부호화 방법
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
JP5618826B2 (ja) * 2007-06-14 2014-11-05 ヴォイスエイジ・コーポレーション Itu.t勧告g.711と相互運用可能なpcmコーデックにおいてフレーム消失を補償する装置および方法
CN101325537B (zh) * 2007-06-15 2012-04-04 华为技术有限公司 一种丢帧隐藏的方法和设备
US8386246B2 (en) * 2007-06-27 2013-02-26 Broadcom Corporation Low-complexity frame erasure concealment
US8185388B2 (en) * 2007-07-30 2012-05-22 Huawei Technologies Co., Ltd. Apparatus for improving packet loss, frame erasure, or jitter concealment
JP2009063928A (ja) * 2007-09-07 2009-03-26 Fujitsu Ltd 補間方法、情報処理装置
KR101235830B1 (ko) * 2007-12-06 2013-02-21 한국전자통신연구원 음성코덱의 품질향상장치 및 그 방법
KR100998396B1 (ko) * 2008-03-20 2010-12-03 광주과학기술원 프레임 손실 은닉 방법, 프레임 손실 은닉 장치 및 음성송수신 장치
CN102057424B (zh) * 2008-06-13 2015-06-17 诺基亚公司 用于经编码的音频数据的错误隐藏的方法和装置
WO2010000303A1 (en) * 2008-06-30 2010-01-07 Nokia Corporation Speech decoder with error concealment
DE102008042579B4 (de) 2008-10-02 2020-07-23 Robert Bosch Gmbh Verfahren zur Fehlerverdeckung bei fehlerhafter Übertragung von Sprachdaten
US8625539B2 (en) * 2008-10-08 2014-01-07 Blackberry Limited Method and system for supplemental channel request messages in a wireless network
US8706479B2 (en) * 2008-11-14 2014-04-22 Broadcom Corporation Packet loss concealment for sub-band codecs
KR20110001130A (ko) * 2009-06-29 2011-01-06 삼성전자주식회사 가중 선형 예측 변환을 이용한 오디오 신호 부호화 및 복호화 장치 및 그 방법
CN101958119B (zh) * 2009-07-16 2012-02-29 中兴通讯股份有限公司 一种改进的离散余弦变换域音频丢帧补偿器和补偿方法
US8670990B2 (en) * 2009-08-03 2014-03-11 Broadcom Corporation Dynamic time scale modification for reduced bit rate audio coding
US8447619B2 (en) * 2009-10-22 2013-05-21 Broadcom Corporation User attribute distribution for network/peer assisted speech coding
US20110196673A1 (en) * 2010-02-11 2011-08-11 Qualcomm Incorporated Concealing lost packets in a sub-band coding decoder
KR101826331B1 (ko) 2010-09-15 2018-03-22 삼성전자주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
WO2012044067A1 (ko) * 2010-09-28 2012-04-05 한국전자통신연구원 적응 코드북 업데이트를 이용한 오디오 신호 디코딩 방법 및 장치
KR20120032444A (ko) 2010-09-28 2012-04-05 한국전자통신연구원 적응 코드북 업데이트를 이용한 오디오 신호 디코딩 방법 및 장치
WO2012044066A1 (ko) * 2010-09-28 2012-04-05 한국전자통신연구원 쉐이핑 함수를 이용한 오디오 신호 디코딩 방법 및 장치
US8868432B2 (en) * 2010-10-15 2014-10-21 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
US8924200B2 (en) * 2010-10-15 2014-12-30 Motorola Mobility Llc Audio signal bandwidth extension in CELP-based speech coder
US9026813B2 (en) 2010-11-22 2015-05-05 Qualcomm Incorporated Establishing a power charging association on a powerline network
US9767822B2 (en) * 2011-02-07 2017-09-19 Qualcomm Incorporated Devices for encoding and decoding a watermarked signal
PL2550653T3 (pl) 2011-02-14 2014-09-30 Fraunhofer Ges Forschung Reprezentacja sygnału informacyjnego z użyciem transformacji zakładkowej
MY159444A (en) 2011-02-14 2017-01-13 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V Encoding and decoding of pulse positions of tracks of an audio signal
CN103534754B (zh) 2011-02-14 2015-09-30 弗兰霍菲尔运输应用研究公司 在不活动阶段期间利用噪声合成的音频编解码器
AR085218A1 (es) 2011-02-14 2013-09-18 Fraunhofer Ges Forschung Aparato y metodo para ocultamiento de error en voz unificada con bajo retardo y codificacion de audio
AR085221A1 (es) 2011-02-14 2013-09-18 Fraunhofer Ges Forschung Aparato y metodo para codificar y decodificar una señal de audio utilizando una porcion alineada anticipada
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.
SG192748A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
TR201903388T4 (tr) 2011-02-14 2019-04-22 Fraunhofer Ges Forschung Bir ses sinyalinin parçalarının darbe konumlarının şifrelenmesi ve çözülmesi.
CA2827266C (en) 2011-02-14 2017-02-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
RU2585999C2 (ru) * 2011-02-14 2016-06-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Генерирование шума в аудиокодеках
FR2977969A1 (fr) * 2011-07-12 2013-01-18 France Telecom Adaptation de fenetres de ponderation d'analyse ou de synthese pour un codage ou decodage par transformee
US9021278B2 (en) * 2011-08-10 2015-04-28 Qualcomm Incorporated Network association of communication devices based on attenuation information
RU2611973C2 (ru) * 2011-10-19 2017-03-01 Конинклейке Филипс Н.В. Ослабление шума в сигнале
LT2774145T (lt) * 2011-11-03 2020-09-25 Voiceage Evs Llc Nekalbinio turinio gerinimas mažos spartos celp dekoderiui
WO2013076801A1 (ja) * 2011-11-22 2013-05-30 パイオニア株式会社 音声信号補正装置及び音声信号補正方法
US8909539B2 (en) * 2011-12-07 2014-12-09 Gwangju Institute Of Science And Technology Method and device for extending bandwidth of speech signal
WO2013096900A1 (en) * 2011-12-21 2013-06-27 Huawei Technologies Co., Ltd. Very short pitch detection and coding
US9047863B2 (en) 2012-01-12 2015-06-02 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for criticality threshold control
WO2014004708A1 (en) * 2012-06-28 2014-01-03 Dolby Laboratories Licensing Corporation Call quality estimation by lost packet classification
CN103714821A (zh) 2012-09-28 2014-04-09 杜比实验室特许公司 基于位置的混合域数据包丢失隐藏
CN103888630A (zh) * 2012-12-20 2014-06-25 杜比实验室特许公司 用于控制声学回声消除的方法和音频处理装置
CN104995673B (zh) * 2013-02-13 2016-10-12 瑞典爱立信有限公司 帧错误隐藏
US9842598B2 (en) 2013-02-21 2017-12-12 Qualcomm Incorporated Systems and methods for mitigating potential frame instability
KR102148407B1 (ko) * 2013-02-27 2020-08-27 한국전자통신연구원 소스 필터를 이용한 주파수 스펙트럼 처리 장치 및 방법
HUE054780T2 (hu) 2013-03-04 2021-09-28 Voiceage Evs Llc Kvantálási zaj csökkentésére szolgáló eszköz és módszer idõtartomány dekóderben
US9437203B2 (en) * 2013-03-07 2016-09-06 QoSound, Inc. Error concealment for speech decoder
FR3004876A1 (fr) * 2013-04-18 2014-10-24 France Telecom Correction de perte de trame par injection de bruit pondere.
JP6305694B2 (ja) * 2013-05-31 2018-04-04 クラリオン株式会社 信号処理装置及び信号処理方法
RU2639949C2 (ru) 2013-06-05 2017-12-25 Эл Джи Электроникс Инк. Способ и устройство для передачи информации о состоянии канала в системе беспроводной связи
WO2014202784A1 (en) 2013-06-21 2014-12-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for improved signal fade out for switched audio coding systems during error concealment
MX352099B (es) 2013-06-21 2017-11-08 Fraunhofer Ges Forschung Método y aparato para obtener coeficientes de espectro para un cuadro de reemplazo de una señal de audio, decodificador de audio, receptor de audio y sistema para transmitir señales de audio.
SG11201510463WA (en) * 2013-06-21 2016-01-28 Fraunhofer Ges Forschung Apparatus and method for improved concealment of the adaptive codebook in acelp-like concealment employing improved pitch lag estimation
MX352092B (es) 2013-06-21 2017-11-08 Fraunhofer Ges Forschung Aparato y método para mejorar el ocultamiento del libro de códigos adaptativo en la ocultación similar a acelp empleando una resincronización de pulsos mejorada.
CN108364657B (zh) * 2013-07-16 2020-10-30 超清编解码有限公司 处理丢失帧的方法和解码器
EP2830056A1 (en) 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding or decoding an audio signal with intelligent gap filling in the spectral domain
US9570093B2 (en) * 2013-09-09 2017-02-14 Huawei Technologies Co., Ltd. Unvoiced/voiced decision for speech processing
PT3063760T (pt) 2013-10-31 2018-03-22 Fraunhofer Ges Forschung Descodificador áudio e método para fornecer uma informação de áudio descodificada utilizando uma ocultação de erro baseada num sinal de excitação no domínio de tempo
SG10201609186UA (en) 2013-10-31 2016-12-29 Fraunhofer Ges Forschung Audio Decoder And Method For Providing A Decoded Audio Information Using An Error Concealment Modifying A Time Domain Excitation Signal
US9437211B1 (en) * 2013-11-18 2016-09-06 QoSound, Inc. Adaptive delay for enhanced speech processing
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
CN107369455B (zh) 2014-03-21 2020-12-15 华为技术有限公司 语音频码流的解码方法及装置
FR3020732A1 (fr) * 2014-04-30 2015-11-06 Orange Correction de perte de trame perfectionnee avec information de voisement
CN106683681B (zh) * 2014-06-25 2020-09-25 华为技术有限公司 处理丢失帧的方法和装置
TR201901612T4 (tr) 2014-07-28 2019-02-21 Ericsson Telefon Ab L M Piramit vektör niceleyici şekil araması.
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
CN107004417B (zh) 2014-12-09 2021-05-07 杜比国际公司 Mdct域错误掩盖
DE102016101023A1 (de) * 2015-01-22 2016-07-28 Sennheiser Electronic Gmbh & Co. Kg Digitales Drahtlos-Audioübertragungssystem
EP3057097B1 (en) * 2015-02-11 2017-09-27 Nxp B.V. Time zero convergence single microphone noise reduction
US9830921B2 (en) * 2015-08-17 2017-11-28 Qualcomm Incorporated High-band target signal control
EA034371B1 (ru) 2015-08-25 2020-01-31 Долби Лэборетериз Лайсенсинг Корпорейшн Аудиодекодер и способ декодирования
US9894687B2 (en) 2015-11-20 2018-02-13 Hughes Network Systems, Llc Methods and apparatuses for providing random access communication
WO2017129270A1 (en) * 2016-01-29 2017-08-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for improving a transition from a concealed audio signal portion to a succeeding audio signal portion of an audio signal
WO2017129665A1 (en) * 2016-01-29 2017-08-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for improving a transition from a concealed audio signal portion to a succeeding audio signal portion of an audio signal
CN108011686B (zh) * 2016-10-31 2020-07-14 腾讯科技(深圳)有限公司 信息编码帧丢失恢复方法和装置
BR112019024284A2 (pt) 2017-05-18 2020-06-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dispositivo de rede para gerenciar uma chamada entre terminais de usuário
CN109496333A (zh) * 2017-06-26 2019-03-19 华为技术有限公司 一种丢帧补偿方法及设备
EP3483886A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Selecting pitch lag
EP3483880A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Temporal noise shaping
EP3483884A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Signal filtering
EP3483879A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Analysis/synthesis windowing function for modulated lapped transformation
WO2019091576A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits
EP3483878A1 (en) * 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio decoder supporting a set of different loss concealment tools
WO2019091573A1 (en) 2017-11-10 2019-05-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters
EP3483882A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Controlling bandwidth in encoders and/or decoders
EP3483883A1 (en) 2017-11-10 2019-05-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding and decoding with selective postfiltering
CN111064547A (zh) * 2019-12-30 2020-04-24 华南理工大学 一种基于自适应频率选择的抗干扰隐蔽信道通信方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4539684A (en) * 1983-01-07 1985-09-03 Motorola, Inc. Automatic frame synchronization recovery utilizing a sequential decoder
US5701392A (en) 1990-02-23 1997-12-23 Universite De Sherbrooke Depth-first algebraic-codebook search for fast coding of speech
US5754976A (en) 1990-02-23 1998-05-19 Universite De Sherbrooke Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech
CA2010830C (en) 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
AU2276995A (en) * 1994-04-08 1995-10-30 Echelon Corporation Method and apparatus for robust communications based upon angular modulation
US5732389A (en) 1995-06-07 1998-03-24 Lucent Technologies Inc. Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures
US6680987B1 (en) * 1999-08-10 2004-01-20 Hughes Electronics Corporation Fading communications channel estimation and compensation
US6757654B1 (en) 2000-05-11 2004-06-29 Telefonaktiebolaget Lm Ericsson Forward error correction in speech coding
US20030103582A1 (en) * 2001-12-04 2003-06-05 Linsky Stuart T. Selective reed-solomon error correction decoders in digital communication systems
JP3946087B2 (ja) * 2002-05-23 2007-07-18 三菱電機株式会社 通信システム、受信機および通信方法
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
US7215705B2 (en) * 2003-03-17 2007-05-08 Intel Corporation Reducing phase noise in phase-encoded communications signals

Also Published As

Publication number Publication date
WO2007073604A1 (en) 2007-07-05
EP1979895A4 (en) 2009-11-11
BRPI0620838A2 (pt) 2011-11-29
ES2434947T3 (es) 2013-12-18
US8255207B2 (en) 2012-08-28
KR20080080235A (ko) 2008-09-02
NO20083167L (no) 2008-09-26
RU2008130674A (ru) 2010-02-10
PT1979895E (pt) 2013-11-19
RU2419891C2 (ru) 2011-05-27
CA2628510A1 (en) 2007-07-05
CA2628510C (en) 2015-02-24
JP2009522588A (ja) 2009-06-11
WO2007073604A8 (en) 2007-12-21
DK1979895T3 (da) 2013-11-18
EP1979895B1 (en) 2013-10-09
US20110125505A1 (en) 2011-05-26
PL1979895T3 (pl) 2014-01-31
AU2006331305A1 (en) 2007-07-05
JP5149198B2 (ja) 2013-02-20
EP1979895A1 (en) 2008-10-15
CN101379551A (zh) 2009-03-04

Similar Documents

Publication Publication Date Title
ZA200805054B (en) Method and device for efficient frame erasure concealment in speech codes
IL217301A0 (en) Decoding method and decoding apparatus
PT1509903T (pt) Método e dispositivo para a eficiente dissimulação do apagamento de tramas em codificadores-descodificadores de voz baseados em predição linear
EP1764673A4 (en) WINDOW PAGE DISPLAY METHOD, WINDOW PAGE DISPLAY DEVICE, AND PROGRAM
EP2026330A4 (en) DEVICE AND METHOD FOR HIDDING LOST FRAME
EP1923945A4 (en) DEVICE AND METHOD FOR ESTIMATING PERFORMANCE DEGRADATION
EP1744251A4 (en) LOG-IN SYSTEM AND PROCEDURE
GB0525055D0 (en) Method and apparatus for labelling speech
EP1876716A4 (en) DECODING DEVICE AND DECODING METHOD
GB2418820B (en) Decoding apparatus and decoding method
GB0501688D0 (en) Method and apparatus
EP1728271A4 (en) LASER RADIATION PROCESS AND LASER RADIATION DEVICE
EP1903687A4 (en) DATA DECODING METHOD AND DATA DECODING DEVICE USING THE SAME
GB0506186D0 (en) Apparatus and method
GB0526501D0 (en) Method and Apparatus
GB0522971D0 (en) Apparatus and method
GB0611868D0 (en) Method and apparatus
GB0605136D0 (en) Apparatus and method
EP1894305A4 (en) DECODING METHOD AND DEVICE
GB2438094B (en) Apparatus and method
GB0513613D0 (en) Apparatus and method
GB0508695D0 (en) Apparatus and method
GB0419465D0 (en) Method and apparatus for programming and reading codes
GB0517531D0 (en) Method and apparatus
GB0509526D0 (en) Method and apparatus