RU2407073C2 - Кодирование многоканального аудио - Google Patents

Кодирование многоканального аудио Download PDF

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Publication number
RU2407073C2
RU2407073C2 RU2007139918/09A RU2007139918A RU2407073C2 RU 2407073 C2 RU2407073 C2 RU 2407073C2 RU 2007139918/09 A RU2007139918/09 A RU 2007139918/09A RU 2007139918 A RU2007139918 A RU 2007139918A RU 2407073 C2 RU2407073 C2 RU 2407073C2
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Russia
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audio signals
parametric data
associated parametric
audio
additional
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RU2007139918/09A
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English (en)
Russian (ru)
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RU2007139918A (ru
Inventor
Герард Х. ХОТО (NL)
Герард Х. ХОТО
Дирк Й. БРЕБАРТ (NL)
Дирк Й. БРЕБАРТ
Эрик Г.П. СХЁЙЕРС (NL)
Эрик Г.П. СХЁЙЕРС
БРИНКЕР Альбертус С. ДЕН (NL)
БРИНКЕР Альбертус С. ДЕН
Ларс Ф. ВИЛЛЕМОС (SE)
Ларс Ф. ВИЛЛЕМОС
Хейко ПУРНХАГЕН (SE)
Хейко ПУРНХАГЕН
Карл Й. РЁДЕН (SE)
Карл Й. РЁДЕН
Original Assignee
Конинклейке Филипс Электроникс Н.В.
Коудинг Текнолоджиз Аб
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    • 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
    • G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07—Applications of wireless loudspeakers or wireless microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Stereophonic System (AREA)
  • Stereo-Broadcasting Methods (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Circuit For Audible Band Transducer (AREA)
RU2007139918/09A 2005-03-30 2006-03-16 Кодирование многоканального аудио RU2407073C2 (ru)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP05102515.3 2005-03-30
EP05102515 2005-03-30
EP05103085.6 2005-04-18
EP05103085 2005-04-18

Publications (2)

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RU2007139918A RU2007139918A (ru) 2009-05-10
RU2407073C2 true RU2407073C2 (ru) 2010-12-20

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RU2007139918/09A RU2407073C2 (ru) 2005-03-30 2006-03-16 Кодирование многоканального аудио
RU2007139922/09A RU2411594C2 (ru) 2005-03-30 2006-03-16 Кодирование и декодирование аудио

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RU2007139922/09A RU2411594C2 (ru) 2005-03-30 2006-03-16 Кодирование и декодирование аудио

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US (1) US8346564B2 (https=)
EP (1) EP1866912B1 (https=)
JP (1) JP4610650B2 (https=)
KR (1) KR101271069B1 (https=)
AT (1) ATE473502T1 (https=)
BR (1) BRPI0608945C8 (https=)
DE (1) DE602006015294D1 (https=)
MX (1) MX2007011915A (https=)
PL (1) PL1866912T3 (https=)
RU (2) RU2407073C2 (https=)
WO (1) WO2006103584A1 (https=)

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RU2625444C2 (ru) * 2013-04-05 2017-07-13 Долби Интернэшнл Аб Система обработки аудио
US9756448B2 (en) 2014-04-01 2017-09-05 Dolby International Ab Efficient coding of audio scenes comprising audio objects
RU2630754C2 (ru) * 2013-05-24 2017-09-12 Долби Интернешнл Аб Эффективное кодирование звуковых сцен, содержащих звуковые объекты
RU2631023C2 (ru) * 2011-08-17 2017-09-15 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Матрицы оптимального микширования и использование декорреляторов при обработке пространственного звука
US9852735B2 (en) 2013-05-24 2017-12-26 Dolby International Ab Efficient coding of audio scenes comprising audio objects

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KR101012259B1 (ko) * 2006-10-16 2011-02-08 돌비 스웨덴 에이비 멀티채널 다운믹스된 객체 코딩의 개선된 코딩 및 파라미터 표현
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KR101449434B1 (ko) * 2008-03-04 2014-10-13 삼성전자주식회사 복수의 가변장 부호 테이블을 이용한 멀티 채널 오디오를부호화/복호화하는 방법 및 장치
KR101061128B1 (ko) * 2008-04-16 2011-08-31 엘지전자 주식회사 오디오 신호 처리 방법 및 이의 장치
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CN103493128B (zh) * 2012-02-14 2015-05-27 华为技术有限公司 用于执行多信道音频信号的适应性下混和上混的方法及设备
CN103368682B (zh) 2012-03-29 2016-12-07 华为技术有限公司 信号编码和解码的方法和设备
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RU2641461C2 (ru) 2013-01-29 2018-01-17 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Аудиокодер, аудиодекодер, способ обеспечения кодированной аудиоинформации, способ обеспечения декодированной аудиоинформации, компьютерная программа и кодированное представление с использованием сигнально-адаптивного расширения полосы пропускания
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KR102244379B1 (ko) * 2013-10-21 2021-04-26 돌비 인터네셔널 에이비 오디오 신호들의 파라메트릭 재구성
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ES2772851T3 (es) * 2013-11-27 2020-07-08 Dts Inc Mezcla de matriz basada en multipletes para audio de múltiples canales de alta cantidad de canales
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RU2631023C2 (ru) * 2011-08-17 2017-09-15 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Матрицы оптимального микширования и использование декорреляторов при обработке пространственного звука
US10339908B2 (en) 2011-08-17 2019-07-02 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Optimal mixing matrices and usage of decorrelators in spatial audio processing
US10748516B2 (en) 2011-08-17 2020-08-18 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Optimal mixing matrices and usage of decorrelators in spatial audio processing
US11282485B2 (en) 2011-08-17 2022-03-22 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Optimal mixing matrices and usage of decorrelators in spatial audio processing
RU2625444C2 (ru) * 2013-04-05 2017-07-13 Долби Интернэшнл Аб Система обработки аудио
US9812136B2 (en) 2013-04-05 2017-11-07 Dolby International Ab Audio processing system
RU2630754C2 (ru) * 2013-05-24 2017-09-12 Долби Интернешнл Аб Эффективное кодирование звуковых сцен, содержащих звуковые объекты
US9852735B2 (en) 2013-05-24 2017-12-26 Dolby International Ab Efficient coding of audio scenes comprising audio objects
US9892737B2 (en) 2013-05-24 2018-02-13 Dolby International Ab Efficient coding of audio scenes comprising audio objects
US11270709B2 (en) 2013-05-24 2022-03-08 Dolby International Ab Efficient coding of audio scenes comprising audio objects
US11705139B2 (en) 2013-05-24 2023-07-18 Dolby International Ab Efficient coding of audio scenes comprising audio objects
US9756448B2 (en) 2014-04-01 2017-09-05 Dolby International Ab Efficient coding of audio scenes comprising audio objects

Also Published As

Publication number Publication date
KR20070118161A (ko) 2007-12-13
MX2007011915A (es) 2007-11-22
WO2006103584A1 (en) 2006-10-05
RU2007139922A (ru) 2009-05-10
ATE473502T1 (de) 2010-07-15
JP4610650B2 (ja) 2011-01-12
DE602006015294D1 (de) 2010-08-19
BRPI0608945C8 (pt) 2020-12-22
RU2007139918A (ru) 2009-05-10
BRPI0608945B1 (pt) 2019-05-28
BRPI0608945B8 (pt) 2020-12-01
RU2411594C2 (ru) 2011-02-10
EP1866912B1 (en) 2010-07-07
US8346564B2 (en) 2013-01-01
KR101271069B1 (ko) 2013-06-04
JP2008535356A (ja) 2008-08-28
US20100153097A1 (en) 2010-06-17
EP1866912A1 (en) 2007-12-19
BRPI0608945A2 (pt) 2010-11-16
PL1866912T3 (pl) 2011-03-31

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