ZA200609627B - Signal encoding - Google Patents

Signal encoding

Info

Publication number
ZA200609627B
ZA200609627B ZA200609627A ZA200609627A ZA200609627B ZA 200609627 B ZA200609627 B ZA 200609627B ZA 200609627 A ZA200609627 A ZA 200609627A ZA 200609627 A ZA200609627 A ZA 200609627A ZA 200609627 B ZA200609627 B ZA 200609627B
Authority
ZA
South Africa
Prior art keywords
encoding
parameters
frame
stage
signal encoding
Prior art date
Application number
ZA200609627A
Other languages
English (en)
Inventor
Jari M 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
Publication of ZA200609627B publication Critical patent/ZA200609627B/xx

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
    • G10L19/08—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
    • 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

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)
ZA200609627A 2004-04-21 2006-11-20 Signal encoding ZA200609627B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0408856.3A GB0408856D0 (en) 2004-04-21 2004-04-21 Signal encoding

Publications (1)

Publication Number Publication Date
ZA200609627B true ZA200609627B (en) 2008-09-25

Family

ID=32344124

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200609627A ZA200609627B (en) 2004-04-21 2006-11-20 Signal encoding

Country Status (18)

Country Link
US (1) US8244525B2 (xx)
EP (1) EP1738355B1 (xx)
JP (1) JP2007534020A (xx)
KR (2) KR20070001276A (xx)
CN (1) CN1969319B (xx)
AT (1) ATE483230T1 (xx)
AU (1) AU2005236596A1 (xx)
BR (1) BRPI0510270A (xx)
CA (1) CA2562877A1 (xx)
DE (1) DE602005023848D1 (xx)
ES (1) ES2349554T3 (xx)
GB (1) GB0408856D0 (xx)
HK (1) HK1104369A1 (xx)
MX (1) MXPA06011957A (xx)
RU (1) RU2006139793A (xx)
TW (1) TWI275253B (xx)
WO (1) WO2005104095A1 (xx)
ZA (1) ZA200609627B (xx)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2566368A1 (en) * 2004-05-17 2005-11-24 Nokia Corporation Audio encoding with different coding frame lengths
US7706905B2 (en) * 2005-07-29 2010-04-27 Lg Electronics Inc. Method for processing audio signal
EP1989703A4 (en) * 2006-01-18 2012-03-14 Lg Electronics Inc DEVICE AND METHOD FOR CODING AND DECODING A SIGNAL
US9185487B2 (en) 2006-01-30 2015-11-10 Audience, Inc. System and method for providing noise suppression utilizing null processing noise subtraction
JP2009533992A (ja) * 2006-04-19 2009-09-17 ノキア コーポレイション アップリンク移動体通信の修正２重シンボル速度
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
PT2102619T (pt) * 2006-10-24 2017-05-25 Voiceage Corp Método e dispositivo para codificação de tramas de transição em sinais de voz
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
EP3422346B1 (en) 2010-07-02 2020-04-22 Dolby International AB Audio encoding with decision about the application of postfiltering when decoding
PL2676268T3 (pl) 2011-02-14 2015-05-29 Fraunhofer Ges Forschung Urządzenie i sposób przetwarzania zdekodowanego sygnału audio w domenie widmowej
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
MX2013009305A (es) 2011-02-14 2013-10-03 Fraunhofer Ges Forschung Generacion de ruido en codecs de audio.
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
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
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
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
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
EP2830062B1 (en) * 2012-03-21 2019-11-20 Samsung Electronics Co., Ltd. Method and apparatus for high-frequency encoding/decoding 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
CN105229735B (zh) * 2013-01-29 2019-11-01 弗劳恩霍夫应用研究促进协会 用于编码模式切换补偿的技术
US9147397B2 (en) * 2013-10-29 2015-09-29 Knowles Electronics, Llc VAD detection apparatus and method of operating the same
ES2827278T3 (es) 2014-04-17 2021-05-20 Voiceage Corp Método, dispositivo y memoria no transitoria legible por ordenador para codificación y decodificación predictiva linealde señales sonoras en la transición entre tramas que tienen 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
PT3000110T (pt) * 2014-07-28 2017-02-15 Fraunhofer Ges Forschung Seleção de um de entre um primeiro algoritmo de codificação e um segundo algoritmo de codificação com o uso de redução de harmônicos.
DE112015003945T5 (de) 2014-08-28 2017-05-11 Knowles Electronics, Llc Mehrquellen-Rauschunterdrückung
CN107112025A (zh) 2014-09-12 2017-08-29 美商楼氏电子有限公司 用于恢复语音分量的系统和方法
DE112016000545B4 (de) 2015-01-30 2019-08-22 Knowles Electronics, Llc Kontextabhängiges schalten von mikrofonen
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
ATE302991T1 (de) 1998-01-22 2005-09-15 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
TWI275253B (en) 2007-03-01
CN1969319B (zh) 2011-09-21
US20050240399A1 (en) 2005-10-27
CN1969319A (zh) 2007-05-23
TW200605518A (en) 2006-02-01
BRPI0510270A (pt) 2007-10-30
AU2005236596A1 (en) 2005-11-03
ATE483230T1 (de) 2010-10-15
ES2349554T3 (es) 2011-01-05
WO2005104095A1 (en) 2005-11-03
JP2007534020A (ja) 2007-11-22
EP1738355A1 (en) 2007-01-03
KR20080103113A (ko) 2008-11-26
US8244525B2 (en) 2012-08-14
MXPA06011957A (es) 2006-12-15
GB0408856D0 (en) 2004-05-26
DE602005023848D1 (de) 2010-11-11
KR20070001276A (ko) 2007-01-03
CA2562877A1 (en) 2005-11-03
RU2006139793A (ru) 2008-05-27
HK1104369A1 (en) 2008-01-11
EP1738355B1 (en) 2010-09-29

Similar Documents

Publication Publication Date Title
ZA200609627B (en) Signal encoding
SG163589A1 (en) Method and apparatus for admission control of data in a mesh network
EP1767845A4 (en) SYSTEM, SYSTEM AND METHOD FOR FUEL FILLING
GB2413849B (en) Method and apparatus for positioning a center of a seismic source
EP1759040A4 (en) POLYMER STRUCTURES AND METHOD FOR THE PRODUCTION THEREOF
WO2006027650A3 (en) Service authentication
TW200644685A (en) Techniques to manage roaming
TW200642298A (en) Multilevel low density parity-check coded modulation
WO2007050855A3 (en) A method and apparatus for processing procedures in selected interlace states in an open state in wireless communication system
TWI315627B (en) System and method for authenticating software using hidden intermediate keys
GB2419683B (en) Lens structure, optical transmitter, and method for producing same
HK1094293A1 (en) System for through the earth communication and method for effecting the through the earth communication
ZA200403731B (en) Data communication apparatus for currency acceptor.
WO2005111761A3 (en) System and method for creating tamper-resistant code
MXPA03001963A (es) Un metodo para tratar alergias usando pirazoles sustituidos.
NO20040993D0 (no) Fremgangsmate og anordning for etablering av en undergrunns bronn.
SG126114A1 (en) Method and system for improving quality in a service industry
TW200741000A (en) Method of producing lymphocytes
HK1121879A1 (en) Method and apparatus for determining scrambling codes for signal transmission
ATE491987T1 (de) Verfahren und vorrichtung zur erzeugung von zusammengesetzen benutzeroberflächen
TW200504517A (en) Information processing apparatus, communication control method, and communication control program
TW200630348A (en) Tadalafil crystal forms and processes for preparing them
TW200518171A (en) Composite patterning with trenches
TW200636606A (en) Method and apparatus for evaluating a proposed solution to a constraint problem
HK1062593A1 (en) A method for providing database validation.