FI20045052A0 - Koodausmallin valinta - Google Patents

Koodausmallin valinta

Info

Publication number
FI20045052A0
FI20045052A0 FI20045052A FI20045052A FI20045052A0 FI 20045052 A0 FI20045052 A0 FI 20045052A0 FI 20045052 A FI20045052 A FI 20045052A FI 20045052 A FI20045052 A FI 20045052A FI 20045052 A0 FI20045052 A0 FI 20045052A0
Authority
FI
Finland
Prior art keywords
choosing
encoding template
template
encoding
Prior art date
Application number
FI20045052A
Other languages
English (en)
Swedish (sv)
Other versions
FI118835B (fi
FI20045052A (fi
Inventor
Jari Maekinen
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 FI20045052A0 publication Critical patent/FI20045052A0/fi
Priority to FI20045052A priority Critical patent/FI118835B/fi
Priority to TW094104983A priority patent/TW200534599A/zh
Priority to KR1020087020819A priority patent/KR20080083718A/ko
Priority to CA002555768A priority patent/CA2555768A1/en
Priority to EP05717297.5A priority patent/EP1719120B1/en
Priority to KR1020067019497A priority patent/KR100879976B1/ko
Priority to AU2005215745A priority patent/AU2005215745A1/en
Priority to RU2006129871/09A priority patent/RU2006129871A/ru
Priority to JP2007500239A priority patent/JP2007523388A/ja
Priority to SG200901538-9A priority patent/SG150572A1/en
Priority to CN200580005610XA priority patent/CN1922659B/zh
Priority to PCT/FI2005/050043 priority patent/WO2005081231A1/en
Priority to BRPI0508309-5A priority patent/BRPI0508309A/pt
Priority to US11/065,717 priority patent/US7747430B2/en
Publication of FI20045052A publication Critical patent/FI20045052A/fi
Priority to ZA200606714A priority patent/ZA200606714B/en
Priority to HK07107509.2A priority patent/HK1099960A1/xx
Application granted granted Critical
Publication of FI118835B publication Critical patent/FI118835B/fi

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
    • 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

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)
FI20045052A 2004-02-23 2004-02-23 Koodausmallin valinta FI118835B (fi)

Priority Applications (16)

Application Number Priority Date Filing Date Title
FI20045052A FI118835B (fi) 2004-02-23 2004-02-23 Koodausmallin valinta
TW094104983A TW200534599A (en) 2004-02-23 2005-02-21 Coding model selection
JP2007500239A JP2007523388A (ja) 2004-02-23 2005-02-22 エンコーダ、エンコーダを有するデバイス、エンコーダを有するシステム、オーディオ信号を符号化する方法、モジュール、およびコンピュータプログラム製品
PCT/FI2005/050043 WO2005081231A1 (en) 2004-02-23 2005-02-22 Coding model selection
EP05717297.5A EP1719120B1 (en) 2004-02-23 2005-02-22 Coding model selection
KR1020067019497A KR100879976B1 (ko) 2004-02-23 2005-02-22 부호화 모델 선택
AU2005215745A AU2005215745A1 (en) 2004-02-23 2005-02-22 Coding model selection
RU2006129871/09A RU2006129871A (ru) 2004-02-23 2005-02-22 Выбор модели кодирования
KR1020087020819A KR20080083718A (ko) 2004-02-23 2005-02-22 부호화 모델 선택
SG200901538-9A SG150572A1 (en) 2004-02-23 2005-02-22 Coding model selection
CN200580005610XA CN1922659B (zh) 2004-02-23 2005-02-22 编码模式选择
CA002555768A CA2555768A1 (en) 2004-02-23 2005-02-22 Coding model selection
BRPI0508309-5A BRPI0508309A (pt) 2004-02-23 2005-02-22 codificador, sistema, método, dispositivo e módulo para codificar um sinal de áudio, e, programa de computador
US11/065,717 US7747430B2 (en) 2004-02-23 2005-02-23 Coding model selection
ZA200606714A ZA200606714B (en) 2004-02-23 2006-08-14 Codings Model Selection
HK07107509.2A HK1099960A1 (en) 2004-02-23 2007-07-13 Coding model selection

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20045052 2004-02-23
FI20045052A FI118835B (fi) 2004-02-23 2004-02-23 Koodausmallin valinta

Publications (3)

Publication Number Publication Date
FI20045052A0 true FI20045052A0 (fi) 2004-02-23
FI20045052A FI20045052A (fi) 2005-08-24
FI118835B FI118835B (fi) 2008-03-31

Family

ID=31725818

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20045052A FI118835B (fi) 2004-02-23 2004-02-23 Koodausmallin valinta

Country Status (15)

Country Link
US (1) US7747430B2 (fi)
EP (1) EP1719120B1 (fi)
JP (1) JP2007523388A (fi)
KR (2) KR100879976B1 (fi)
CN (1) CN1922659B (fi)
AU (1) AU2005215745A1 (fi)
BR (1) BRPI0508309A (fi)
CA (1) CA2555768A1 (fi)
FI (1) FI118835B (fi)
HK (1) HK1099960A1 (fi)
RU (1) RU2006129871A (fi)
SG (1) SG150572A1 (fi)
TW (1) TW200534599A (fi)
WO (1) WO2005081231A1 (fi)
ZA (1) ZA200606714B (fi)

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FI118835B (fi) 2004-02-23 2008-03-31 Nokia Corp Koodausmallin valinta
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KR100647336B1 (ko) * 2005-11-08 2006-11-23 삼성전자주식회사 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법
CA2636493A1 (en) * 2006-01-18 2007-07-26 Lg Electronics Inc. Apparatus and method for encoding and decoding signal
US7877253B2 (en) 2006-10-06 2011-01-25 Qualcomm Incorporated Systems, methods, and apparatus for frame erasure recovery
KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
US7813922B2 (en) * 2007-01-30 2010-10-12 Nokia Corporation Audio quantization
PL2535894T3 (pl) * 2007-03-02 2015-06-30 Ericsson Telefon Ab L M Sposoby i układy w sieci telekomunikacyjnej
US20090006081A1 (en) * 2007-06-27 2009-01-01 Samsung Electronics Co., Ltd. Method, medium and apparatus for encoding and/or decoding signal
CN101965612B (zh) * 2008-03-03 2012-08-29 Lg电子株式会社 用于处理音频信号的方法和装置
DE102008022125A1 (de) * 2008-05-05 2009-11-19 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Klassifikation von schallerzeugenden Prozessen
KR20100006492A (ko) * 2008-07-09 2010-01-19 삼성전자주식회사 부호화 방식 결정 방법 및 장치
RU2492530C2 (ru) * 2008-07-11 2013-09-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство и способ кодирования/декодирования звукового сигнала посредством использования схемы переключения совмещения имен
EP2144230A1 (en) 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Low bitrate audio encoding/decoding scheme having cascaded switches
KR101403115B1 (ko) * 2008-10-08 2014-06-27 보이세지 코포레이션 다중 분해능 스위치드 오디오 부호화/복호화 방법 및 부호화/복호화기
CN101615395B (zh) 2008-12-31 2011-01-12 华为技术有限公司 信号编码、解码方法及装置、***
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
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
US8670990B2 (en) * 2009-08-03 2014-03-11 Broadcom Corporation Dynamic time scale modification for reduced bit rate audio coding
EP2473995B9 (en) * 2009-10-20 2016-12-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio signal encoder, audio signal decoder, method for providing an encoded representation of an audio content, method for providing a decoded representation of an audio content and computer program for use in low delay applications
KR101696632B1 (ko) 2010-07-02 2017-01-16 돌비 인터네셔널 에이비 선택적인 베이스 포스트 필터
CA2804548C (en) * 2010-07-08 2016-06-21 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Coder using forward aliasing cancellation
CN103493129B (zh) * 2011-02-14 2016-08-10 弗劳恩霍夫应用研究促进协会 用于使用瞬态检测及质量结果将音频信号的部分编码的装置与方法
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
ES2529025T3 (es) 2011-02-14 2015-02-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para procesar una señal de audio decodificada en un dominio espectral
AR085895A1 (es) * 2011-02-14 2013-11-06 Fraunhofer Ges Forschung Generacion de ruido en codecs de audio
AR085221A1 (es) 2011-02-14 2013-09-18 Fraunhofer Ges Forschung Aparato y metodo para codificar y decodificar una señal de audio utilizando una porcion alineada anticipada
CA2903681C (en) 2011-02-14 2017-03-28 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Audio codec using noise synthesis during inactive phases
EP2550653B1 (en) 2011-02-14 2014-04-02 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Information signal representation using lapped transform
BR112013020592B1 (pt) 2011-02-14 2021-06-22 Fraunhofer-Gellschaft Zur Fôrderung Der Angewandten Forschung E. V. Codec de áudio utilizando síntese de ruído durante fases inativas
PL3239978T3 (pl) 2011-02-14 2019-07-31 Fraunhofer-Gesellschaft 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
AU2014211583B2 (en) 2013-01-29 2017-01-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for selecting one of a first audio encoding algorithm and a second audio encoding algorithm
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
CN105451842B (zh) 2014-07-28 2019-06-11 弗劳恩霍夫应用研究促进协会 选择第一编码演算法和第二编码演算法之一的装置与方法

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Also Published As

Publication number Publication date
RU2006129871A (ru) 2008-03-27
WO2005081231A1 (en) 2005-09-01
EP1719120A1 (en) 2006-11-08
KR20070015155A (ko) 2007-02-01
US7747430B2 (en) 2010-06-29
CN1922659A (zh) 2007-02-28
TW200534599A (en) 2005-10-16
AU2005215745A1 (en) 2005-09-01
HK1099960A1 (en) 2007-08-31
SG150572A1 (en) 2009-03-30
ZA200606714B (en) 2007-11-28
CA2555768A1 (en) 2005-09-01
CN1922659B (zh) 2010-05-26
BRPI0508309A (pt) 2007-07-24
KR100879976B1 (ko) 2009-01-23
EP1719120B1 (en) 2019-06-19
FI118835B (fi) 2008-03-31
FI20045052A (fi) 2005-08-24
JP2007523388A (ja) 2007-08-16
US20050192797A1 (en) 2005-09-01
KR20080083718A (ko) 2008-09-18

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