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 (150)

* 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
ATE341074T1 (de) * 2000-02-29 2006-10-15 Qualcomm Inc Multimodaler mischbereich-sprachkodierer mit geschlossener regelschleife
AU2001284513A1 (en) * 2000-09-11 2002-03-26 Matsushita Electric Industrial Co., Ltd. Encoding apparatus and decoding apparatus
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
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
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
DE60233283D1 (de) * 2001-02-27 2009-09-24 Texas Instruments Inc Verschleierungsverfahren bei Verlust von Sprachrahmen und Dekoder dafer
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
WO2004082288A1 (en) * 2003-03-11 2004-09-23 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
FI118835B (fi) 2004-02-23 2008-03-31 Nokia Corp Koodausmallin valinta
FI118834B (fi) * 2004-02-23 2008-03-31 Nokia Corp Audiosignaalien luokittelu
GB0408856D0 (en) 2004-04-21 2004-05-26 Nokia Corp Signal encoding
ATE371926T1 (de) * 2004-05-17 2007-09-15 Nokia Corp Audiocodierung mit verschiedenen codierungsmodellen
JP2007538282A (ja) * 2004-05-17 2007-12-27 ノキア コーポレイション 各種の符号化フレーム長でのオーディオ符号化
US7739120B2 (en) 2004-05-17 2010-06-15 Nokia Corporation Selection of coding models for encoding an audio signal
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
JP5118022B2 (ja) * 2005-05-26 2013-01-16 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／復号化方法及び符号化／復号化装置
US8494667B2 (en) * 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8214221B2 (en) * 2005-06-30 2012-07-03 Lg Electronics Inc. Method and apparatus for decoding an audio signal and identifying information included in the audio signal
EP1913576A2 (de) 2005-06-30 2008-04-23 LG Electronics Inc. Vorrichtung zum codieren und decodieren eines audiosignals und verfahren dafür
FR2888699A1 (fr) * 2005-07-13 2007-01-19 France Telecom Dispositif de codage/decodage hierachique
US7788107B2 (en) * 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
US8577483B2 (en) * 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
CA2620627C (en) * 2005-08-30 2011-03-15 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
JP4568363B2 (ja) * 2005-08-30 2010-10-27 エルジー エレクトロニクス インコーポレイティド オーディオ信号デコーディング方法及びその装置
WO2007040357A1 (en) * 2005-10-05 2007-04-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
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
US7672379B2 (en) * 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
US7751485B2 (en) * 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
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
KR100878833B1 (ko) 2005-10-05 2009-01-14 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7716043B2 (en) * 2005-10-24 2010-05-11 Lg Electronics Inc. Removing time delays in signal paths
US7805297B2 (en) * 2005-11-23 2010-09-28 Broadcom Corporation Classification-based frame loss concealment for audio signals
US7752053B2 (en) * 2006-01-13 2010-07-06 Lg Electronics Inc. Audio signal processing using pilot based coding
KR20080097178A (ko) * 2006-01-18 2008-11-04 연세대학교 산학협력단 부호화/복호화 장치 및 방법
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
US8346546B2 (en) * 2006-08-15 2013-01-01 Broadcom Corporation Packet loss concealment based on forced waveform alignment after packet loss
US7907579B2 (en) * 2006-08-15 2011-03-15 Cisco Technology, Inc. WiFi geolocation from carrier-managed system geolocation of a dual mode device
US7461106B2 (en) 2006-09-12 2008-12-02 Motorola, Inc. Apparatus and method for low complexity combinatorial coding of signals
JP5096474B2 (ja) * 2006-10-10 2012-12-12 クゥアルコム・インコーポレイテッド オーディオ信号を符号化及び復号化する方法及び装置
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
JP2010520682A (ja) * 2007-03-07 2010-06-10 ジーエヌ リザウンド エー／エス 耳鳴りの軽減のための音質向上
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
JP2011501216A (ja) * 2007-10-15 2011-01-06 エルジー エレクトロニクス インコーポレイティド 信号処理方法及び装置
US8209190B2 (en) 2007-10-25 2012-06-26 Motorola Mobility, Inc. Method and apparatus for generating an enhancement layer within an audio coding system
WO2009088257A2 (ko) * 2008-01-09 2009-07-16 Lg Electronics Inc. 프레임 타입 식별 방법 및 장치
EP2259253B1 (de) * 2008-03-03 2017-11-15 LG Electronics Inc. Verfahren und vorrichtung zur verarbeitung von tonsignalen
KR20100134623A (ko) * 2008-03-04 2010-12-23 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
US7889103B2 (en) * 2008-03-13 2011-02-15 Motorola Mobility, Inc. Method and apparatus for low complexity combinatorial coding of signals
US20090234642A1 (en) * 2008-03-13 2009-09-17 Motorola, 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
EP2144230A1 (de) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiokodierungs-/Audiodekodierungsschema geringer Bitrate mit kaskadierten Schaltvorrichtungen
RU2494477C2 (ru) * 2008-07-11 2013-09-27 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство и способ генерирования выходных данных расширения полосы пропускания
EP2311034B1 (de) * 2008-07-11 2015-11-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Toncodierer und decodierer zur codierung von rahmen abgetasteter tonsignale
MY154452A (en) 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
PL2301020T3 (pl) * 2008-07-11 2013-06-28 Fraunhofer Ges Forschung Urządzenie i sposób do kodowania/dekodowania sygnału audio z użyciem algorytmu przełączania aliasingu
EP3002750B1 (de) 2008-07-11 2017-11-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer und -decodierer zur codierung und decodierung von audioabtastwerten
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
RU2621965C2 (ru) 2008-07-11 2017-06-08 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Передатчик сигнала активации с деформацией по времени, кодер звукового сигнала, способ преобразования сигнала активации с деформацией по времени, способ кодирования звукового сигнала и компьютерные программы
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
US9773505B2 (en) 2008-09-18 2017-09-26 Electronics And Telecommunications Research Institute Encoding apparatus and decoding apparatus for transforming between modified discrete cosine transform-based coder and different coder
FR2936898A1 (fr) * 2008-10-08 2010-04-09 France Telecom Codage a echantillonnage critique avec codeur predictif
KR20130069833A (ko) * 2008-10-08 2013-06-26 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중 분해능 스위치드 오디오 부호화/복호화 방법
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
KR101259120B1 (ko) * 2008-11-04 2013-04-26 엘지전자 주식회사 오디오 신호 처리 방법 및 장치
WO2010053287A2 (en) * 2008-11-04 2010-05-14 Lg Electronics Inc. An apparatus for processing an audio signal and method thereof
US8706479B2 (en) * 2008-11-14 2014-04-22 Broadcom Corporation Packet loss concealment for sub-band codecs
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
US8140342B2 (en) 2008-12-29 2012-03-20 Motorola Mobility, Inc. Selective scaling mask computation based on peak detection
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
EP2460158A4 (de) 2009-07-27 2013-09-04 Verfahren und vorrichtung zur verarbeitung eines tonsignals
WO2011048094A1 (en) * 2009-10-20 2011-04-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. 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
US8423355B2 (en) * 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
US8428936B2 (en) * 2010-03-05 2013-04-23 Motorola Mobility Llc Decoder for audio signal including generic audio and speech frames
EP2569767B1 (de) * 2010-05-11 2014-06-11 Telefonaktiebolaget LM Ericsson (publ) Verfahren und anordnung zur verarbeitung von tonsignalen
FR2961937A1 (fr) * 2010-06-29 2011-12-30 France Telecom Codage/decodage predictif lineaire adaptatif
KR101696632B1 (ko) 2010-07-02 2017-01-16 돌비 인터네셔널 에이비 선택적인 베이스 포스트 필터
ES2710554T3 (es) * 2010-07-08 2019-04-25 Fraunhofer Ges Forschung Codificador que utiliza cancelación del efecto de solapamiento hacia delante
CA2813859C (en) * 2010-10-06 2016-07-12 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing an audio signal and for providing a higher temporal granularity for a combined unified speech and audio codec (usac)
JP5510559B2 (ja) * 2010-12-20 2014-06-04 株式会社ニコン 音声制御装置および撮像装置
FR2969805A1 (fr) * 2010-12-23 2012-06-29 France Telecom Codage bas retard alternant codage predictif et codage par transformee
TWI564882B (zh) 2011-02-14 2017-01-01 弗勞恩霍夫爾協會 利用重疊變換之資訊信號表示技術（一）
EP2676267B1 (de) 2011-02-14 2017-07-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodierung und dekodierung von impulspositionen von spuren eines audiosignals
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
KR101699898B1 (ko) 2011-02-14 2017-01-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치
KR101613673B1 (ko) 2011-02-14 2016-04-29 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 불활성 위상 동안에 잡음 합성을 사용하는 오디오 코덱
TWI479478B (zh) * 2011-02-14 2015-04-01 弗勞恩霍夫爾協會 用以使用對齊的預看部分將音訊信號解碼的裝置與方法
WO2012110448A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
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
MY165853A (en) 2011-02-14 2018-05-18 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
PT2681734T (pt) 2011-03-04 2017-07-31 ERICSSON TELEFON AB L M (publ) Correção de ganho de pós quantificação em codificação de áudio
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
CN103918247B (zh) 2011-09-23 2016-08-24 数字标记公司 基于背景环境的智能手机传感器逻辑
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
US9173025B2 (en) 2012-02-08 2015-10-27 Dolby Laboratories Licensing Corporation Combined suppression of noise, echo, and out-of-location signals
US8712076B2 (en) 2012-02-08 2014-04-29 Dolby Laboratories Licensing Corporation Post-processing including median filtering of noise suppression gains
TWI591620B (zh) * 2012-03-21 2017-07-11 三星電子股份有限公司 產生高頻雜訊的方法
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
US9123328B2 (en) 2012-09-26 2015-09-01 Google Technology Holdings LLC Apparatus and method for audio frame loss recovery
US9129600B2 (en) * 2012-09-26 2015-09-08 Google Technology Holdings LLC Method and apparatus for encoding an audio signal
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
TWI612518B (zh) 2012-11-13 2018-01-21 Samsung Electronics Co., Ltd. 編碼模式決定方法、音訊編碼方法以及音訊解碼方法
KR102148407B1 (ko) * 2013-02-27 2020-08-27 한국전자통신연구원 소스 필터를 이용한 주파수 스펙트럼 처리 장치 및 방법
ES2635555T3 (es) * 2013-06-21 2017-10-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para el desvanecimiento de señales mejorado en diferentes dominios durante el ocultamiento de errores
CN106409310B (zh) 2013-08-06 2019-11-19 华为技术有限公司 一种音频信号分类方法和装置
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
CN107452390B (zh) 2014-04-29 2021-10-26 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
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
PL4165628T3 (pl) * 2020-06-11 2025-12-22 Dolby International Ab Ukrywanie utraty ramki w przypadku kanału efektów o niskiej częstotliwości
CN114141230A (zh) * 2020-08-14 2022-03-04 华为终端有限公司 电子设备及其语音识别方法和介质
NO348822B1 (en) * 2020-12-18 2025-06-16 Pexip AS Method and system for real time audio in multi-point video conferencing
CN119136107B (zh) * 2024-08-22 2025-04-29 武汉攀升鼎承科技有限公司 一种基于Polar码的无线耳机的音频同步方法及装置

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

Similar Documents

Publication Publication Date Title
ATE302991T1 (de) Verfahren zur signalgesteuerten schaltung zwischen verschiedenen audiokodierungssystemen
DE69521254D1 (de) Verfahren zur sprachkodierung
AU7035298A (en) Method for signalling a noise substitution during audio signal coding
EP0610975A3 (de) Formatierung eines kodierten Signals für Kodierer und Dekodierer eines Audiosystems hoher Qualität.
ATE183864T1 (de) Verfahren und vorrichtung zur skalierbaren codierung von audiosignalen
KR970024627A (ko) 음성부호화방법 및 장치
ES2165389T3 (es) Aparato y metodo para codificar o descodificar señales, y medio de grabacion.
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.
SE9800776D0 (sv) Audio coding method and apparatus
CA2194419A1 (en) Perceptual noise shaping in the time domain via lpc prediction in the frequency domain
DK0513860T3 (da) Adaptiv biallokering for audiokoder og -dekoder
SE9500452D0 (sv) Method and apparatus in coding digital information
ATE443317T1 (de) Kodierung und dekodierung von mehrkanaltonsignalen basierend auf einer haupt- und nebensignal darstellung
CA2137925A1 (en) Transmission system comprising at least a coder
DE60014476D1 (de) Verfahren zur Kodierung, Dekodierung und Transkodierung eines Audiosignals
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
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
DE69431489D1 (de) Adaptive fehlerkontrolle für adpcm sprachkodierer
JPS611129A (ja) 音声・デ−タ多重化伝送方式
FR2737360B1 (fr) Procedes de codage et de decodage de signaux audiofrequence, codeur et decodeur pour la mise en oeuvre de tels procedes
EP0689190A3 (de) Verfahren zur Verringerung von Störungen eines Sprachsignals

Legal Events

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

Ref document number: 0932141

Country of ref document: EP