ATE302991T1 - Verfahren zur signalgesteuerten schaltung zwischen verschiedenen audiokodierungssystemen - Google Patents

Verfahren zur signalgesteuerten schaltung zwischen verschiedenen audiokodierungssystemen

Info

Publication number
ATE302991T1
ATE302991T1 AT99100790T AT99100790T ATE302991T1 AT E302991 T1 ATE302991 T1 AT E302991T1 AT 99100790 T AT99100790 T AT 99100790T AT 99100790 T AT99100790 T AT 99100790T AT E302991 T1 ATE302991 T1 AT E302991T1
Authority
AT
Austria
Prior art keywords
speech
signal
signals
audio
coding
Prior art date
Application number
AT99100790T
Other languages
English (en)
Inventor
Ralf Kirchherr
Joachim Stegmann
Original Assignee
Deutsche Telekom Ag
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 Deutsche Telekom Ag filed Critical Deutsche Telekom Ag
Application granted granted Critical
Publication of ATE302991T1 publication Critical patent/ATE302991T1/de

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
    • G10L19/04—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
    • G10L19/16—Vocoder architecture
    • G10L19/18—Vocoders using multiple modes
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78—Detection of presence or absence of voice signals
    • G10L25/81—Detection of presence or absence of voice signals for discriminating voice from music

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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Stereo-Broadcasting Methods (AREA)
AT99100790T 1998-01-22 1999-01-18 Verfahren zur signalgesteuerten schaltung zwischen verschiedenen audiokodierungssystemen ATE302991T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7211698P 1998-01-22 1998-01-22

Publications (1)

Publication Number Publication Date
ATE302991T1 true ATE302991T1 (de) 2005-09-15

Family

ID=22105686

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99100790T ATE302991T1 (de) 1998-01-22 1999-01-18 Verfahren zur signalgesteuerten schaltung zwischen verschiedenen audiokodierungssystemen

Country Status (5)

Country Link
US (1) US20030009325A1 (de)
EP (1) EP0932141B1 (de)
AT (1) ATE302991T1 (de)
DE (1) DE69926821T2 (de)
ES (1) ES2247741T3 (de)

Families Citing this family (146)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6640209B1 (en) 1999-02-26 2003-10-28 Qualcomm Incorporated Closed-loop multimode mixed-domain linear prediction (MDLP) speech coder
SE522356C2 (sv) * 1999-07-09 2004-02-03 Ericsson Telefon Ab L M Transmission av komprimerad information med realtidskrav i ett paketorienterat informationsnät
US6633841B1 (en) * 1999-07-29 2003-10-14 Mindspeed Technologies, Inc. Voice activity detection speech coding to accommodate music signals
JP3586398B2 (ja) * 1999-11-29 2004-11-10 松下電器産業株式会社 ディジタル信号処理装置、及びディジタル信号処理方法
US7110947B2 (en) * 1999-12-10 2006-09-19 At&T Corp. Frame erasure concealment technique for a bitstream-based feature extractor
ES2269112T3 (es) * 2000-02-29 2007-04-01 Qualcomm Incorporated Codificador de voz multimodal en bucle cerrado de dominio mixto.
WO2002023530A2 (en) * 2000-09-11 2002-03-21 Matsushita Electric Industrial Co., Ltd. Quantization of spectral sequences for audio signal coding
US8374218B2 (en) 2000-12-05 2013-02-12 Google Inc. Combining signals with a shuffled-hadamard function
US8385470B2 (en) * 2000-12-05 2013-02-26 Google Inc. Coding a signal with a shuffled-Hadamard function
US7545849B1 (en) 2003-03-28 2009-06-09 Google Inc. Signal spectrum spreading and combining system and method
US6829289B1 (en) * 2000-12-05 2004-12-07 Gossett And Gunter, Inc. Application of a pseudo-randomly shuffled hadamard function in a wireless CDMA system
US6982945B1 (en) 2001-01-26 2006-01-03 Google, Inc. Baseband direct sequence spread spectrum transceiver
US6694293B2 (en) * 2001-02-13 2004-02-17 Mindspeed Technologies, Inc. Speech coding system with a music classifier
US20040204935A1 (en) * 2001-02-21 2004-10-14 Krishnasamy Anandakumar Adaptive voice playout in VOP
EP1235203B1 (de) * 2001-02-27 2009-08-12 Texas Instruments Incorporated Verschleierungsverfahren bei Verlust von Sprachrahmen und Dekoder dafér
KR100434275B1 (ko) * 2001-07-23 2004-06-05 엘지전자 주식회사 패킷 변환 장치 및 그를 이용한 패킷 변환 방법
US7453921B1 (en) * 2001-12-11 2008-11-18 Google Inc. LPC filter for removing periodic and quasi-periodic interference from spread spectrum signals
US7302387B2 (en) * 2002-06-04 2007-11-27 Texas Instruments Incorporated Modification of fixed codebook search in G.729 Annex E audio coding
EP1383113A1 (de) * 2002-07-17 2004-01-21 STMicroelectronics N.V. Verfahren und Vorrichtung für Breitbandsprachkodierung geeignet zur Kontrolle von Kurzzeit- und Langzeitverzerrungen
US7352833B2 (en) 2002-11-18 2008-04-01 Google Inc. Method and system for temporal autocorrelation filtering
AU2003208517A1 (en) * 2003-03-11 2004-09-30 Nokia Corporation Switching between coding schemes
US20050004793A1 (en) * 2003-07-03 2005-01-06 Pasi Ojala Signal adaptation for higher band coding in a codec utilizing band split coding
FI118834B (fi) * 2004-02-23 2008-03-31 Nokia Corp Audiosignaalien luokittelu
FI118835B (fi) 2004-02-23 2008-03-31 Nokia Corp Koodausmallin valinta
GB0408856D0 (en) 2004-04-21 2004-05-26 Nokia Corp Signal encoding
US7739120B2 (en) 2004-05-17 2010-06-15 Nokia Corporation Selection of coding models for encoding an audio signal
MXPA06012578A (es) * 2004-05-17 2006-12-15 Nokia Corp Codificacion de audio con distintos modelos de codificacion.
CA2566368A1 (en) * 2004-05-17 2005-11-24 Nokia Corporation Audio encoding with different coding frame lengths
KR100854534B1 (ko) * 2004-05-19 2008-08-26 노키아 코포레이션 오디오 코더 모드들 간의 스위칭 지원
US7751804B2 (en) * 2004-07-23 2010-07-06 Wideorbit, Inc. Dynamic creation, selection, and scheduling of radio frequency communications
US20060224381A1 (en) * 2005-04-04 2006-10-05 Nokia Corporation Detecting speech frames belonging to a low energy sequence
DE102005019863A1 (de) * 2005-04-28 2006-11-02 Siemens Ag Verfahren und Vorrichtung zur Geräuschunterdrückung
JP2008542816A (ja) * 2005-05-26 2008-11-27 エルジー エレクトロニクス インコーポレイティド オーディオ信号の符号化及び復号化方法
AU2006266579B2 (en) * 2005-06-30 2009-10-22 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
AU2006266655B2 (en) 2005-06-30 2009-08-20 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
JP2009500656A (ja) * 2005-06-30 2009-01-08 エルジー エレクトロニクス インコーポレイティド オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
FR2888699A1 (fr) * 2005-07-13 2007-01-19 France Telecom Dispositif de codage/decodage hierachique
JP4859925B2 (ja) * 2005-08-30 2012-01-25 エルジー エレクトロニクス インコーポレイティド オーディオ信号デコーディング方法及びその装置
KR101169280B1 (ko) * 2005-08-30 2012-08-02 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
US7761303B2 (en) * 2005-08-30 2010-07-20 Lg Electronics Inc. Slot position coding of TTT syntax of spatial audio coding application
US7751485B2 (en) * 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
US7672379B2 (en) * 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
US7646319B2 (en) * 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
EP1946062A4 (de) * 2005-10-05 2009-09-09 Lg Electronics Inc Verfahren und vorrichtung zur signalverarbeitung und codierungs- und decodierungsverfahren und vorrichtung dafür
US8068569B2 (en) * 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
US7696907B2 (en) * 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
KR100857121B1 (ko) * 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US20070092086A1 (en) * 2005-10-24 2007-04-26 Pang Hee S Removing time delays in signal paths
US7805297B2 (en) * 2005-11-23 2010-09-28 Broadcom Corporation Classification-based frame loss concealment for audio signals
EP1989703A4 (de) * 2006-01-18 2012-03-14 Lg Electronics Inc Vorrichtung und verfahren zum codieren und decodieren eines signals
KR20070077652A (ko) * 2006-01-24 2007-07-27 삼성전자주식회사 적응적 시간/주파수 기반 부호화 모드 결정 장치 및 이를위한 부호화 모드 결정 방법
KR101393298B1 (ko) * 2006-07-08 2014-05-12 삼성전자주식회사 적응적 부호화/복호화 방법 및 장치
US7987089B2 (en) * 2006-07-31 2011-07-26 Qualcomm Incorporated Systems and methods for modifying a zero pad region of a windowed frame of an audio signal
US8015000B2 (en) * 2006-08-03 2011-09-06 Broadcom Corporation Classification-based frame loss concealment for audio signals
US7907579B2 (en) * 2006-08-15 2011-03-15 Cisco Technology, Inc. WiFi geolocation from carrier-managed system geolocation of a dual mode device
US8346546B2 (en) * 2006-08-15 2013-01-01 Broadcom Corporation Packet loss concealment based on forced waveform alignment after packet loss
US7461106B2 (en) 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
KR101186133B1 (ko) * 2006-10-10 2012-09-27 퀄컴 인코포레이티드 오디오 신호들을 인코딩 및 디코딩하는 방법 및 장치
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
KR100964402B1 (ko) * 2006-12-14 2010-06-17 삼성전자주식회사 오디오 신호의 부호화 모드 결정 방법 및 장치와 이를 이용한 오디오 신호의 부호화/복호화 방법 및 장치
CN101025918B (zh) * 2007-01-19 2011-06-29 清华大学 一种语音/音乐双模编解码无缝切换方法
CN101641968B (zh) * 2007-03-07 2015-01-21 Gn瑞声达A/S 用于缓解耳鸣的声音富集
US9653088B2 (en) * 2007-06-13 2017-05-16 Qualcomm Incorporated Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding
US8576096B2 (en) 2007-10-11 2013-11-05 Motorola Mobility Llc Apparatus and method for low complexity combinatorial coding of signals
US8566107B2 (en) * 2007-10-15 2013-10-22 Lg Electronics Inc. Multi-mode method and an apparatus for processing a signal
US8209190B2 (en) 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
EP2242047B1 (de) * 2008-01-09 2017-03-15 LG Electronics Inc. Verfahren und vorrichtung zur identifizierung von rahmentypen
AU2009220321B2 (en) * 2008-03-03 2011-09-22 Intellectual Discovery Co., Ltd. Method and apparatus for processing audio signal
CA2717584C (en) * 2008-03-04 2015-05-12 Lg Electronics Inc. Method and apparatus for processing an audio signal
US20090234642A1 (en) * 2008-03-13 2009-09-17 Motorola, Inc. Method and Apparatus for Low Complexity Combinatorial Coding of Signals
US7889103B2 (en) * 2008-03-13 2011-02-15 Motorola Mobility, Inc. Method and apparatus for low complexity combinatorial coding of signals
US8639519B2 (en) 2008-04-09 2014-01-28 Motorola Mobility Llc Method and apparatus for selective signal coding based on core encoder performance
US8195452B2 (en) * 2008-06-12 2012-06-05 Nokia Corporation High-quality encoding at low-bit rates
US8380523B2 (en) * 2008-07-07 2013-02-19 Lg Electronics Inc. Method and an apparatus for processing an audio signal
MX2011000369A (es) * 2008-07-11 2011-07-29 Ten Forschung Ev Fraunhofer Codificador y decodificador de audio para codificar marcos de señales de audio muestreadas.
MY152252A (en) * 2008-07-11 2014-09-15 Fraunhofer Ges Forschung Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme
EP3002751A1 (de) * 2008-07-11 2016-04-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer und -decodierer zur codierung und decodierung von audioproben
EP2144230A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen
PL3002750T3 (pl) * 2008-07-11 2018-06-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Koder i dekoder audio do kodowania i dekodowania próbek audio
ES2654433T3 (es) 2008-07-11 2018-02-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificador de señal de audio, método para codificar una señal de audio y programa informático
CA2730200C (en) * 2008-07-11 2016-09-27 Max Neuendorf An apparatus and a method for generating bandwidth extension output data
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
KR101261677B1 (ko) 2008-07-14 2013-05-06 광운대학교 산학협력단 음성/음악 통합 신호의 부호화/복호화 장치
KR101381513B1 (ko) * 2008-07-14 2014-04-07 광운대학교 산학협력단 음성/음악 통합 신호의 부호화/복호화 장치
WO2010032992A2 (ko) * 2008-09-18 2010-03-25 한국전자통신연구원 Mdct기반의 코너와 이종의 코더간 변환에서의 인코딩 장치 및 디코딩 장치
TWI419148B (zh) * 2008-10-08 2013-12-11 Fraunhofer Ges Forschung 多解析度切換音訊編碼／解碼方案
FR2936898A1 (fr) * 2008-10-08 2010-04-09 France Telecom Codage a echantillonnage critique avec codeur predictif
KR101649376B1 (ko) * 2008-10-13 2016-08-31 한국전자통신연구원 Ｍｄｃｔ 기반 음성/오디오 통합 부호화기의 ｌｐｃ 잔차신호 부호화/복호화 장치
US20100114568A1 (en) * 2008-10-24 2010-05-06 Lg Electronics Inc. Apparatus for processing an audio signal and method thereof
WO2010053287A2 (en) * 2008-11-04 2010-05-14 Lg Electronics Inc. An apparatus for processing an audio signal and method thereof
KR101259120B1 (ko) * 2008-11-04 2013-04-26 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
US8706479B2 (en) * 2008-11-14 2014-04-22 Broadcom Corporation Packet loss concealment for sub-band codecs
US8140342B2 (en) 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
US8219408B2 (en) 2008-12-29 2012-07-10 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8200496B2 (en) 2008-12-29 2012-06-12 Motorola Mobility, Inc. Audio signal decoder and method for producing a scaled reconstructed audio signal
US8175888B2 (en) 2008-12-29 2012-05-08 Motorola Mobility, Inc. Enhanced layered gain factor balancing within a multiple-channel audio coding system
CN101609677B (zh) * 2009-03-13 2012-01-04 华为技术有限公司 一种预处理方法、装置及编码设备
KR101410312B1 (ko) 2009-07-27 2014-06-27 연세대학교 산학협력단 오디오 신호 처리 방법 및 장치
CA2862715C (en) 2009-10-20 2017-10-17 Ralf Geiger Multi-mode audio codec and celp coding adapted therefore
CN102081927B (zh) * 2009-11-27 2012-07-18 中兴通讯股份有限公司 一种可分层音频编码、解码方法及系统
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
US8423355B2 (en) 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
CN102893330B (zh) * 2010-05-11 2015-04-15 瑞典爱立信有限公司 用于处理音频信号的方法和装置
FR2961937A1 (fr) * 2010-06-29 2011-12-30 France Telecom Codage/decodage predictif lineaire adaptatif
EP4372742A2 (de) * 2010-07-08 2024-05-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codierer mit vorwärts-aliasing-unterdrückung
JP6100164B2 (ja) * 2010-10-06 2017-03-22 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ オーディオ信号を処理し、音声音響統合符号化方式（ｕｓａｃ）のためにより高い時間粒度を供給するための装置および方法
EP2658281A1 (de) * 2010-12-20 2013-10-30 Nikon Corporation Audiosteuerungsvorrichtung und bilderfassungsvorrichtung
FR2969805A1 (fr) * 2010-12-23 2012-06-29 France Telecom Codage bas retard alternant codage predictif et codage par transformee
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
BR112013020324B8 (pt) 2011-02-14 2022-02-08 Fraunhofer Ges Forschung Aparelho e método para supressão de erro em fala unificada de baixo atraso e codificação de áudio
MY160265A (en) * 2011-02-14 2017-02-28 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V Apparatus and Method for Encoding and Decoding an Audio Signal Using an Aligned Look-Ahead Portion
PT2676270T (pt) 2011-02-14 2017-05-02 Fraunhofer Ges Forschung Codificação de uma parte de um sinal de áudio utilizando uma deteção de transiente e um resultado de qualidade
PL2676268T3 (pl) 2011-02-14 2015-05-29 Fraunhofer Ges Forschung Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej
JP5969513B2 (ja) 2011-02-14 2016-08-17 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 不活性相の間のノイズ合成を用いるオーディオコーデック
KR101424372B1 (ko) 2011-02-14 2014-08-01 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 랩핑 변환을 이용한 정보 신호 표현
PT3239978T (pt) 2011-02-14 2019-04-02 Fraunhofer Ges Forschung Codificação e descodificação de posições de pulso de faixas de um sinal de áudio
AR085794A1 (es) 2011-02-14 2013-10-30 Fraunhofer Ges Forschung Prediccion lineal basada en esquema de codificacion utilizando conformacion de ruido de dominio espectral
CN105225669B (zh) * 2011-03-04 2018-12-21 瑞典爱立信有限公司 音频编码中的后量化增益校正
NO2669468T3 (de) * 2011-05-11 2018-06-02
US9037456B2 (en) * 2011-07-26 2015-05-19 Google Technology Holdings LLC Method and apparatus for audio coding and decoding
KR20140064969A (ko) 2011-09-23 2014-05-28 디지맥 코포레이션 콘텍스트―기반 스마트폰 센서 로직
US9043201B2 (en) * 2012-01-03 2015-05-26 Google Technology Holdings LLC Method and apparatus for processing audio frames to transition between different codecs
CN103198834B (zh) * 2012-01-04 2016-12-14 中国移动通信集团公司 一种音频信号处理方法、装置及终端
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
EP2830062B1 (de) * 2012-03-21 2019-11-20 Samsung Electronics Co., Ltd. Verfahren und vorrichtung für hochfrequente codierung/decodierung zur bandbreitenerweiterung
US9053699B2 (en) * 2012-07-10 2015-06-09 Google Technology Holdings LLC Apparatus and method for audio frame loss recovery
WO2014030928A1 (ko) * 2012-08-21 2014-02-27 엘지전자 주식회사 오디오 신호 부호화 방법 및 오디오 신호 복호화 방법 그리고 이를 이용하는 장치
US9589570B2 (en) * 2012-09-18 2017-03-07 Huawei Technologies Co., Ltd. Audio classification based on perceptual quality for low or medium bit rates
US9129600B2 (en) 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
US9123328B2 (en) 2012-09-26 2015-09-01 Google Technology Holdings LLC Apparatus and method for audio frame loss recovery
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
KR102446441B1 (ko) * 2012-11-13 2022-09-22 삼성전자주식회사 부호화 모드 결정방법 및 장치, 오디오 부호화방법 및 장치와, 오디오 복호화방법 및 장치
KR102148407B1 (ko) * 2013-02-27 2020-08-27 한국전자통신연구원 소스 필터를 이용한 주파수 스펙트럼 처리 장치 및 방법
CA2916150C (en) 2013-06-21 2019-06-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method realizing improved concepts for tcx ltp
CN106409313B (zh) 2013-08-06 2021-04-20 华为技术有限公司 一种音频信号分类方法和装置
CN107452391B (zh) * 2014-04-29 2020-08-25 华为技术有限公司 音频编码方法及相关装置
FR3020732A1 (fr) * 2014-04-30 2015-11-06 Orange Correction de perte de trame perfectionnee avec information de voisement
CN105336338B (zh) 2014-06-24 2017-04-12 华为技术有限公司 音频编码方法和装置
EP2980797A1 (de) * 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecodierer, Verfahren und Computerprogramm mit Zero-Input-Response zur Erzeugung eines sanften Übergangs
CN106448688B (zh) * 2014-07-28 2019-11-05 华为技术有限公司 音频编码方法及相关装置
FR3024581A1 (fr) * 2014-07-29 2016-02-05 Orange Determination d'un budget de codage d'une trame de transition lpd/fd
CN111259919B (zh) * 2018-11-30 2024-01-23 杭州海康威视数字技术股份有限公司 一种视频分类方法、装置及设备、存储介质
EP3751567B1 (de) 2019-06-10 2022-01-26 Axis AB Verfahren, computerprogramm, codierer und überwachungsvorrichtung
NO20201393A1 (en) * 2020-12-18 2022-06-20 Pexip AS Method and system for real time audio in multi-point video conferencing

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5751903A (en) * 1994-12-19 1998-05-12 Hughes Electronics Low rate multi-mode CELP codec that encodes line SPECTRAL frequencies utilizing an offset

Also Published As

Publication number Publication date
ES2247741T3 (es) 2006-03-01
DE69926821D1 (de) 2005-09-29
EP0932141B1 (de) 2005-08-24
EP0932141A2 (de) 1999-07-28
EP0932141A3 (de) 1999-12-29
US20030009325A1 (en) 2003-01-09
DE69926821T2 (de) 2007-12-06

Similar Documents

Publication Publication Date Title
DE69926821D1 (de) Verfahren zur signalgesteuerten Schaltung zwischen verschiedenen Audiokodierungssystemen
ATE202232T1 (de) Verfahren zur sprachkodierung
AU7035298A (en) Method for signalling a noise substitution during audio signal coding
ATE183864T1 (de) Verfahren und vorrichtung zur skalierbaren codierung von audiosignalen
DE69032624T2 (de) Formatierung eines kodierten Signals für Kodierer und Dekodierer eines Audiosystems hoher Qualität
EP1164578A3 (de) Verfahren und Vorrichtung zur Sprachkodierung und -dekodierung
ES2141720T3 (es) Metodo y dispositivo para codificacion y descodificacion de habla.
BR9602835B1 (pt) processo e aparelho para reproduzir um sinal de voz, e, processo para transmitir o mesmo.
DE602004023240D1 (de) Kodierung und Dekodierung von Mehrkanaltonsignalen basierend auf einer Haupt- und Nebensignal Darstellung
SE9800776D0 (sv) Audio coding method and apparatus
DE69429499D1 (de) Verfahren und vorrichtung zum kodieren oder dekodieren von signalen und aufzeichnungsmedium
CA2194419A1 (en) Perceptual noise shaping in the time domain via lpc prediction in the frequency domain
BR9408413A (pt) Sistema de reconhecimento de voz
DE69333786D1 (de) Verfahren zum Kodieren und Dekodieren von Audiodaten
DK0514949T3 (da) Adaptiv bitallokering for audiokoder og -dekoder
SE9500452D0 (sv) Method and apparatus in coding digital information
BR9403927A (pt) Processo e aparelho para codificar e/ou decodificar sons de fundo em um condificador e/ou decodificador de voz baseado em quadros digitais
DE69425226D1 (de) Sprachdekoder zur Erzeugung von Hintergrundgeräuschen
CA2315324A1 (en) Speech signal decoding method and apparatus
WO2002023532A3 (en) System of dynamic pulse position tracks for pulse-like excitation in speech coding
IL145992A0 (en) Method for the encoding of prosody for a speech encoder working at very low bit rates
DE69431489T2 (de) Adaptive fehlerkontrolle für adpcm sprachkodierer
WO1999022561A3 (en) A method and apparatus for audio representation of speech that has been encoded according to the lpc principle, through adding noise to constituent signals therein
FR2737360B1 (fr) Procedes de codage et de decodage de signaux audiofrequence, codeur et decodeur pour la mise en oeuvre de tels procedes

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 0932141

Country of ref document: EP