ATE483230T1 - Signalkodierung - Google Patents

Signalkodierung

Info

Publication number
ATE483230T1
ATE483230T1 AT05734033T AT05734033T ATE483230T1 AT E483230 T1 ATE483230 T1 AT E483230T1 AT 05734033 T AT05734033 T AT 05734033T AT 05734033 T AT05734033 T AT 05734033T AT E483230 T1 ATE483230 T1 AT E483230T1
Authority
AT
Austria
Prior art keywords
encoding
parameters
frame
stage
signal coding
Prior art date
Application number
AT05734033T
Other languages
English (en)
Inventor
Jari Makinen
Original Assignee
Nokia Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nokia Corp filed Critical Nokia Corp
Application granted granted Critical
Publication of ATE483230T1 publication Critical patent/ATE483230T1/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
    • 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
    • G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
    • 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

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)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
AT05734033T 2004-04-21 2005-04-19 Signalkodierung ATE483230T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0408856.3A GB0408856D0 (en) 2004-04-21 2004-04-21 Signal encoding
PCT/IB2005/001033 WO2005104095A1 (en) 2004-04-21 2005-04-19 Signal encoding

Publications (1)

Publication Number Publication Date
ATE483230T1 true ATE483230T1 (de) 2010-10-15

Family

ID=32344124

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05734033T ATE483230T1 (de) 2004-04-21 2005-04-19 Signalkodierung

Country Status (17)

Country Link
US (1) US8244525B2 (de)
EP (1) EP1738355B1 (de)
JP (1) JP2007534020A (de)
KR (2) KR20070001276A (de)
CN (1) CN1969319B (de)
AT (1) ATE483230T1 (de)
AU (1) AU2005236596A1 (de)
BR (1) BRPI0510270A (de)
CA (1) CA2562877A1 (de)
DE (1) DE602005023848D1 (de)
ES (1) ES2349554T3 (de)
GB (1) GB0408856D0 (de)
MX (1) MXPA06011957A (de)
RU (1) RU2006139793A (de)
TW (1) TWI275253B (de)
WO (1) WO2005104095A1 (de)
ZA (1) ZA200609627B (de)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE602004025517D1 (de) * 2004-05-17 2010-03-25 Nokia Corp Audiocodierung mit verschiedenen codierungsrahmenlängen
JP5113052B2 (ja) * 2005-07-29 2013-01-09 エルジー エレクトロニクス インコーポレイティド 符号化されたオーディオ信号の生成方法及びオーディオ信号の処理方法
JP2009524101A (ja) * 2006-01-18 2009-06-25 エルジー エレクトロニクス インコーポレイティド 符号化／復号化装置及び方法
US9185487B2 (en) 2006-01-30 2015-11-10 Audience, Inc. System and method for providing noise suppression utilizing null processing noise subtraction
EP2011267A2 (de) * 2006-04-19 2009-01-07 Nokia Corporation Modifizierte zweisymbolrate für die aufwärtsstrecken-mobilkommunikation
JP4847246B2 (ja) * 2006-07-31 2011-12-28 キヤノン株式会社 通信装置、通信装置の制御方法、及び当該制御方法をコンピュータに実行させるためのコンピュータプログラム
DK2102619T3 (en) * 2006-10-24 2017-05-15 Voiceage Corp METHOD AND DEVICE FOR CODING TRANSITION FRAMEWORK IN SPEECH SIGNALS
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
JP4410792B2 (ja) * 2006-12-21 2010-02-03 株式会社日立コミュニケーションテクノロジー 暗号化装置
FR2911228A1 (fr) * 2007-01-05 2008-07-11 France Telecom Codage par transformee, utilisant des fenetres de ponderation et a faible retard.
KR101379263B1 (ko) * 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
US8982744B2 (en) * 2007-06-06 2015-03-17 Broadcom Corporation Method and system for a subband acoustic echo canceller with integrated voice activity detection
KR101403340B1 (ko) * 2007-08-02 2014-06-09 삼성전자주식회사 변환 부호화 방법 및 장치
US9031851B2 (en) 2007-09-20 2015-05-12 Lg Electronics Inc. Method and an apparatus for processing a signal
US8050932B2 (en) 2008-02-20 2011-11-01 Research In Motion Limited Apparatus, and associated method, for selecting speech COder operational rates
KR20100006492A (ko) 2008-07-09 2010-01-19 삼성전자주식회사 부호화 방식 결정 방법 및 장치
KR20100007738A (ko) * 2008-07-14 2010-01-22 한국전자통신연구원 음성/오디오 통합 신호의 부호화/복호화 장치
KR101297026B1 (ko) * 2009-05-19 2013-08-14 광운대학교 산학협력단 Ｍｄｃｔ―ｔｃｘ 프레임과 ｃｅｌｐ 프레임 간 연동을 위한 윈도우 처리 장치 및 윈도우 처리 방법
CN101615910B (zh) * 2009-05-31 2010-12-22 华为技术有限公司 压缩编码的方法、装置和设备以及压缩解码方法
US20110040981A1 (en) * 2009-08-14 2011-02-17 Apple Inc. Synchronization of Buffered Audio Data With Live Broadcast
US9838784B2 (en) 2009-12-02 2017-12-05 Knowles Electronics, Llc Directional audio capture
US8798290B1 (en) 2010-04-21 2014-08-05 Audience, Inc. Systems and methods for adaptive signal equalization
US9558755B1 (en) * 2010-05-20 2017-01-31 Knowles Electronics, Llc Noise suppression assisted automatic speech recognition
EP3079152B1 (de) 2010-07-02 2018-06-06 Dolby International AB Audiodekodierung mit selektiver nachfilterung
AU2012217216B2 (en) * 2011-02-14 2015-09-17 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
ES2458436T3 (es) 2011-02-14 2014-05-05 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Representación de señal de información utilizando transformada superpuesta
EP2676266B1 (de) 2011-02-14 2015-03-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auf linearer Prädiktionscodierung basierendes Codierschema unter Verwendung von Spektralbereichsrauschformung
TR201908598T4 (tr) 2011-02-14 2019-07-22 Fraunhofer Ges Forschung Bir ses sinyalinin hizalı bir ileriye dönük kısımdan faydalanılarak enkode edilmesi için cihaz ve yöntem.
PL2676267T3 (pl) 2011-02-14 2017-12-29 Fraunhofergesellschaft Zur Förderung Der Angewandten Forschung E V Kodowanie i dekodowanie pozycji impulsów ścieżek sygnału audio
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
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
SG192745A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Noise generation in audio codecs
AR085362A1 (es) 2011-02-14 2013-09-25 Fraunhofer Ges Forschung Aparato y metodo para procesar una señal de audio decodificada en un dominio espectral
MX2013009303A (es) 2011-02-14 2013-09-13 Fraunhofer Ges Forschung Codec de audio utilizando sintesis de ruido durante fases inactivas.
US9378746B2 (en) * 2012-03-21 2016-06-28 Samsung Electronics Co., Ltd. Method and apparatus for encoding and decoding high frequency for bandwidth extension
US8645128B1 (en) * 2012-10-02 2014-02-04 Google Inc. Determining pitch dynamics of an audio signal
US9640194B1 (en) 2012-10-04 2017-05-02 Knowles Electronics, Llc Noise suppression for speech processing based on machine-learning mask estimation
CA2979260C (en) * 2013-01-29 2020-07-07 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Concept for coding mode switching compensation
US9147397B2 (en) * 2013-10-29 2015-09-29 Knowles Electronics, Llc VAD detection apparatus and method of operating the same
RU2677453C2 (ru) 2014-04-17 2019-01-16 Войсэйдж Корпорейшн Способы, кодер и декодер для линейного прогнозирующего кодирования и декодирования звуковых сигналов после перехода между кадрами, имеющими различные частоты дискретизации
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
MX349256B (es) * 2014-07-28 2017-07-19 Fraunhofer Ges Forschung Aparato y metodo para seleccionar uno de un primer algoritmo de codificacion y un segundo algoritmo de codificacion usando reduccion de armonicos.
CN104143335B (zh) * 2014-07-28 2017-02-01 华为技术有限公司 音频编码方法及相关装置
CN106797512B (zh) 2014-08-28 2019-10-25 美商楼氏电子有限公司 多源噪声抑制的方法、系统和非瞬时计算机可读存储介质
WO2016040885A1 (en) 2014-09-12 2016-03-17 Audience, Inc. Systems and methods for restoration of speech components
US9668048B2 (en) 2015-01-30 2017-05-30 Knowles Electronics, Llc Contextual switching of microphones
CN105242111B (zh) * 2015-09-17 2018-02-27 清华大学 一种采用类脉冲激励的频响函数测量方法
CN111739543B (zh) * 2020-05-25 2023-05-23 杭州涂鸦信息技术有限公司 音频编码方法的调试方法及其相关装置

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5479559A (en) * 1993-05-28 1995-12-26 Motorola, Inc. Excitation synchronous time encoding vocoder and method
FI101439B1 (fi) * 1995-04-13 1998-06-15 Nokia Telecommunications Oy Transkooderi, jossa on tandem-koodauksen esto
JP2882463B2 (ja) * 1995-11-01 1999-04-12 日本電気株式会社 Ｖｏｘ判定装置
US6134518A (en) * 1997-03-04 2000-10-17 International Business Machines Corporation Digital audio signal coding using a CELP coder and a transform coder
ES2247741T3 (es) 1998-01-22 2006-03-01 Deutsche Telekom Ag Metodo para conmutacion controlada por señales entre esquemas de codificacion de audio.
US6640209B1 (en) * 1999-02-26 2003-10-28 Qualcomm Incorporated Closed-loop multimode mixed-domain linear prediction (MDLP) speech coder
US6633841B1 (en) * 1999-07-29 2003-10-14 Mindspeed Technologies, Inc. Voice activity detection speech coding to accommodate music signals
US7139700B1 (en) * 1999-09-22 2006-11-21 Texas Instruments Incorporated Hybrid speech coding and system
JP4221537B2 (ja) * 2000-06-02 2009-02-12 日本電気株式会社 音声検出方法及び装置とその記録媒体
US7031916B2 (en) * 2001-06-01 2006-04-18 Texas Instruments Incorporated Method for converging a G.729 Annex B compliant voice activity detection circuit
FR2825826B1 (fr) * 2001-06-11 2003-09-12 Cit Alcatel Procede pour detecter l'activite vocale dans un signal, et codeur de signal vocal comportant un dispositif pour la mise en oeuvre de ce procede
US6658383B2 (en) * 2001-06-26 2003-12-02 Microsoft Corporation Method for coding speech and music signals
US6785645B2 (en) * 2001-11-29 2004-08-31 Microsoft Corporation Real-time speech and music classifier
KR100880480B1 (ko) * 2002-02-21 2009-01-28 엘지전자 주식회사 디지털 오디오 신호의 실시간 음악/음성 식별 방법 및시스템
KR100477701B1 (ko) * 2002-11-07 2005-03-18 삼성전자주식회사 Ｍｐｅｇ 오디오 인코딩 방법 및 ｍｐｅｇ 오디오 인코딩장치
US7613606B2 (en) * 2003-10-02 2009-11-03 Nokia Corporation Speech codecs
US7120576B2 (en) * 2004-07-16 2006-10-10 Mindspeed Technologies, Inc. Low-complexity music detection algorithm and system

Also Published As

Publication number Publication date
KR20070001276A (ko) 2007-01-03
HK1104369A1 (en) 2008-01-11
KR20080103113A (ko) 2008-11-26
US20050240399A1 (en) 2005-10-27
TWI275253B (en) 2007-03-01
JP2007534020A (ja) 2007-11-22
DE602005023848D1 (de) 2010-11-11
BRPI0510270A (pt) 2007-10-30
GB0408856D0 (en) 2004-05-26
MXPA06011957A (es) 2006-12-15
WO2005104095A1 (en) 2005-11-03
CN1969319B (zh) 2011-09-21
US8244525B2 (en) 2012-08-14
EP1738355B1 (de) 2010-09-29
CN1969319A (zh) 2007-05-23
RU2006139793A (ru) 2008-05-27
TW200605518A (en) 2006-02-01
ZA200609627B (en) 2008-09-25
CA2562877A1 (en) 2005-11-03
AU2005236596A1 (en) 2005-11-03
EP1738355A1 (de) 2007-01-03
ES2349554T3 (es) 2011-01-05

Similar Documents

Publication Publication Date Title
ATE483230T1 (de) Signalkodierung
SG163589A1 (en) Method and apparatus for admission control of data in a mesh network
TW200642298A (en) Multilevel low density parity-check coded modulation
DE602005023295D1 (de) Auswahl von codierungsmodelen zur codierung eines audiosignals
EP1800432A4 (de) Kryptographische stammfunktionen, fehlerkodierung und verfahren zur verbesserung von zufallszahlen unter verwendung von quasigruppen
TW200735570A (en) A method and apparatus for bootstraping information in a communication system
NO20040993D0 (no) Fremgangsmate og anordning for etablering av en undergrunns bronn.
FI20045051A0 (fi) Audiosignaalien luokittelu
DE60115653D1 (de) Verfahren zur Detektion von Emotionen, unter Verwendung von Untergruppenspezialisten
DK2101431T3 (da) Fremgangsmåde og apparat til modtagelse af styreinformation i et trådløst kommunikationssystem
DE602005000103D1 (de) Verfahren zur Auswahl eines drahtlosen Pfades in einem tragbaren Kommunikationsendgerät, tragbares Kommunikationsendgerät und entsprechendes System.
DE602004030621D1 (de) Verfahren und Vorrichtung zur Erzeugung von zusammengesetzen Benutzeroberflächen
TN2009000546A1 (en) Method for electronically analysing a dialogue and corresponding systems
ATE418252T1 (de) Selektive sperrung von fähigkeiten von mobilkommunikationsgeräten
WO2004070544A3 (en) A system and method for automated platform generation
DE602005009501D1 (de) Kommunikationseinrichtung, signalcodierungs-/ -decodierungsverfahren
TW200504517A (en) Information processing apparatus, communication control method, and communication control program
DE602004004763D1 (de) Verfahren und system zur datenübertragung in einem kommunikationssystem
NO20060775L (no) Muskarine acetylkolinreseptorantagonister
DE502004011618D1 (de) Verfahren zur transcodierung eines datenstroms, deumfasst mit intra-prädiktionsmodi
DK1506235T3 (da) Fremgangsmåde til produktion af monoklonale antistoffer
ATE464749T1 (de) Kodierparameterbestimmung für ein hybrides kodierschema
ATE340451T1 (de) Netzwerkgerät, system und verfahren zur authentifizierung
ATE347776T1 (de) Telekommunikationsdienste
MY139197A (en) Defining nodes in device management system

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties