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 (18)

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)
HK (1) HK1104369A1 (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
US7706905B2 (en) * 2005-07-29 2010-04-27 Lg Electronics Inc. Method for processing audio signal
TWI333643B (en) * 2006-01-18 2010-11-21 Lg Electronics Inc Apparatus and method for encoding and decoding signal
US9185487B2 (en) 2006-01-30 2015-11-10 Audience, Inc. System and method for providing noise suppression utilizing null processing noise subtraction
US7808964B2 (en) * 2006-04-19 2010-10-05 Nokia Corporation Modified dual symbol rate for uplink mobile communications
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
BRPI0718300B1 (pt) * 2006-10-24 2018-08-14 Voiceage Corporation Método e dispositivo para codificar quadros de transição em sinais de fala.
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
EP2196028A4 (de) 2007-09-20 2016-03-09 Lg Electronics Inc Verfahren und vorrichtung zum verarbeiten eines signals
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
CA3160488C (en) 2010-07-02 2023-09-05 Dolby International Ab Audio decoding with selective post filtering
ES2534972T3 (es) 2011-02-14 2015-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Predicción lineal basada en esquema de codificación utilizando conformación de ruido de dominio espectral
PL3471092T3 (pl) 2011-02-14 2020-12-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Dekodowanie pozycji impulsów ścieżek sygnału audio
CN102959620B (zh) 2011-02-14 2015-05-13 弗兰霍菲尔运输应用研究公司 利用重迭变换的信息信号表示
SG192746A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Apparatus and method for processing a decoded audio signal in a spectral domain
CA2827000C (en) 2011-02-14 2016-04-05 Jeremie Lecomte Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
AU2012217153B2 (en) 2011-02-14 2015-07-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for encoding and decoding an audio signal using an aligned look-ahead portion
AR085895A1 (es) 2011-02-14 2013-11-06 Fraunhofer Ges Forschung Generacion de ruido en codecs 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
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
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
CN108831501B (zh) * 2012-03-21 2023-01-10 三星电子株式会社 用于带宽扩展的高频编码/高频解码方法和设备
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
ES2626809T3 (es) * 2013-01-29 2017-07-26 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Concepto para compensación de conmutación del modo de codificación
US9147397B2 (en) * 2013-10-29 2015-09-29 Knowles Electronics, Llc VAD detection apparatus and method of operating the same
MX362490B (es) 2014-04-17 2019-01-18 Voiceage Corp Metodos codificador y decodificador para la codificacion y decodificacion predictiva lineal de señales de sonido en la transicion entre cuadros teniendo diferentes tasas de muestreo.
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
EP3000110B1 (de) * 2014-07-28 2016-12-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Auswahl eines ersten codierungsalgorithmus oder eines zweiten codierungsalgorithmus unter verwendung von harmoniereduzierung
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
US9978388B2 (en) 2014-09-12 2018-05-22 Knowles Electronics, Llc Systems and methods for restoration of speech components
WO2016123560A1 (en) 2015-01-30 2016-08-04 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
FI101439B (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
DE69926821T2 (de) 1998-01-22 2007-12-06 Deutsche Telekom Ag Verfahren zur signalgesteuerten Schaltung zwischen verschiedenen Audiokodierungssystemen
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
HK1104369A1 (en) 2008-01-11
JP2007534020A (ja) 2007-11-22
GB0408856D0 (en) 2004-05-26
TWI275253B (en) 2007-03-01
WO2005104095A1 (en) 2005-11-03
CN1969319B (zh) 2011-09-21
CN1969319A (zh) 2007-05-23
MXPA06011957A (es) 2006-12-15
DE602005023848D1 (de) 2010-11-11
US20050240399A1 (en) 2005-10-27
CA2562877A1 (en) 2005-11-03
KR20070001276A (ko) 2007-01-03
AU2005236596A1 (en) 2005-11-03
KR20080103113A (ko) 2008-11-26
ES2349554T3 (es) 2011-01-05
ZA200609627B (en) 2008-09-25
US8244525B2 (en) 2012-08-14
TW200605518A (en) 2006-02-01
EP1738355B1 (de) 2010-09-29
BRPI0510270A (pt) 2007-10-30
EP1738355A1 (de) 2007-01-03
RU2006139793A (ru) 2008-05-27

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