FI20045052A - Koodausmallin valinta - Google Patents

Koodausmallin valinta Download PDF

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Publication number
FI20045052A
FI20045052A FI20045052A FI20045052A FI20045052A FI 20045052 A FI20045052 A FI 20045052A FI 20045052 A FI20045052 A FI 20045052A FI 20045052 A FI20045052 A FI 20045052A FI 20045052 A FI20045052 A FI 20045052A
Authority
FI
Finland
Prior art keywords
coding model
select end
select
coding
model
Prior art date
Application number
FI20045052A
Other languages
English (en)
Swedish (sv)
Other versions
FI118835B (fi
FI20045052A0 (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 SG200901538-9A priority patent/SG150572A1/en
Priority to RU2006129871/09A priority patent/RU2006129871A/ru
Priority to CA002555768A priority patent/CA2555768A1/en
Priority to BRPI0508309-5A priority patent/BRPI0508309A/pt
Priority to KR1020087020819A priority patent/KR20080083718A/ko
Priority to PCT/FI2005/050043 priority patent/WO2005081231A1/en
Priority to JP2007500239A priority patent/JP2007523388A/ja
Priority to EP05717297.5A priority patent/EP1719120B1/en
Priority to KR1020067019497A priority patent/KR100879976B1/ko
Priority to CN200580005610XA priority patent/CN1922659B/zh
Priority to AU2005215745A priority patent/AU2005215745A1/en
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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
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
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
KR1020087020819A KR20080083718A (ko) 2004-02-23 2005-02-22 부호화 모델 선택
PCT/FI2005/050043 WO2005081231A1 (en) 2004-02-23 2005-02-22 Coding model selection
SG200901538-9A SG150572A1 (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
RU2006129871/09A RU2006129871A (ru) 2004-02-23 2005-02-22 Выбор модели кодирования
AU2005215745A AU2005215745A1 (en) 2004-02-23 2005-02-22 Coding model selection
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
FI20045052A FI118835B (fi) 2004-02-23 2004-02-23 Koodausmallin valinta
FI20045052 2004-02-23

Publications (3)

Publication Number Publication Date
FI20045052A0 FI20045052A0 (fi) 2004-02-23
FI20045052A true 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) KR20080083718A (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
EP1829027A1 (en) * 2004-12-15 2007-09-05 Telefonaktiebolaget LM Ericsson (publ) Method and device for encoding mode changing of encoded data streams
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KR101434198B1 (ko) * 2006-11-17 2014-08-26 삼성전자주식회사 신호 복호화 방법
US7813922B2 (en) * 2007-01-30 2010-10-12 Nokia Corporation Audio quantization
CN101622668B (zh) * 2007-03-02 2012-05-30 艾利森电话股份有限公司 电信网络中的方法和装置
US20090006081A1 (en) * 2007-06-27 2009-01-01 Samsung Electronics Co., Ltd. Method, medium and apparatus for encoding and/or decoding signal
WO2009110738A2 (ko) * 2008-03-03 2009-09-11 엘지전자(주) 오디오 신호 처리 방법 및 장치
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
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
MY152252A (en) * 2008-07-11 2014-09-15 Fraunhofer Ges Forschung Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme
JP5555707B2 (ja) * 2008-10-08 2014-07-23 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 マルチ分解能切替型のオーディオ符号化及び復号化スキーム
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、系统
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
JP5243661B2 (ja) * 2009-10-20 2013-07-24 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ オーディオ信号符号器、オーディオ信号復号器、オーディオコンテンツの符号化表現を供給するための方法、オーディオコンテンツの復号化表現を供給するための方法、および低遅延アプリケーションにおける使用のためのコンピュータ・プログラム
IL311020A (en) 2010-07-02 2024-04-01 Dolby Int Ab After–selective bass filter
JP5981913B2 (ja) * 2010-07-08 2016-08-31 フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー．ファオ フォワードエイリアシング消去を用いた符号器
CN105304090B (zh) 2011-02-14 2019-04-09 弗劳恩霍夫应用研究促进协会 使用对齐的前瞻部分将音频信号编码及解码的装置与方法
BR112013020588B1 (pt) * 2011-02-14 2021-07-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparelho e método para codificação de uma parte de um sinal de áudio utilizando uma detecção transiente e um resultado de qualidade
EP2676262B1 (en) * 2011-02-14 2018-04-25 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Noise generation in audio codecs
TWI484479B (zh) 2011-02-14 2015-05-11 Fraunhofer Ges Forschung 用於低延遲聯合語音及音訊編碼中之錯誤隱藏之裝置和方法
PT2676267T (pt) 2011-02-14 2017-09-26 Fraunhofer Ges Forschung Codificação e descodificação de posições de pulso de faixas de um sinal de áudio
PL2676266T3 (pl) 2011-02-14 2015-08-31 Fraunhofer Ges Forschung Układ kodowania na bazie predykcji liniowej wykorzystujący kształtowanie szumu w dziedzinie widmowej
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
SG192718A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Audio codec using noise synthesis during inactive phases
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
MX2012013025A (es) 2011-02-14 2013-01-22 Fraunhofer Ges Forschung Representacion de señal de informacion utilizando transformada superpuesta.
CN105229736B (zh) 2013-01-29 2019-07-19 弗劳恩霍夫应用研究促进协会 用于选择第一编码算法与第二编码算法中的一个的装置及方法
CN107424622B (zh) 2014-06-24 2020-12-25 华为技术有限公司 音频编码方法和装置
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Also Published As

Publication number Publication date
TW200534599A (en) 2005-10-16
SG150572A1 (en) 2009-03-30
ZA200606714B (en) 2007-11-28
CA2555768A1 (en) 2005-09-01
US7747430B2 (en) 2010-06-29
AU2005215745A1 (en) 2005-09-01
KR100879976B1 (ko) 2009-01-23
HK1099960A1 (en) 2007-08-31
CN1922659A (zh) 2007-02-28
CN1922659B (zh) 2010-05-26
EP1719120B1 (en) 2019-06-19
KR20080083718A (ko) 2008-09-18
US20050192797A1 (en) 2005-09-01
FI118835B (fi) 2008-03-31
RU2006129871A (ru) 2008-03-27
FI20045052A0 (fi) 2004-02-23
BRPI0508309A (pt) 2007-07-24
EP1719120A1 (en) 2006-11-08
WO2005081231A1 (en) 2005-09-01
KR20070015155A (ko) 2007-02-01
JP2007523388A (ja) 2007-08-16

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