ES2655046T3 - Procedimiento para decodificar y codificar una matriz de mezcla descendente, procedimiento para presentar contenidos de audio, codificador y decodificador para una matriz de mezcla descendente, codificador de audio y decodificador de audio - Google Patents

Procedimiento para decodificar y codificar una matriz de mezcla descendente, procedimiento para presentar contenidos de audio, codificador y decodificador para una matriz de mezcla descendente, codificador de audio y decodificador de audio Download PDF

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Publication number
ES2655046T3
ES2655046T3 ES14783660.5T ES14783660T ES2655046T3 ES 2655046 T3 ES2655046 T3 ES 2655046T3 ES 14783660 T ES14783660 T ES 14783660T ES 2655046 T3 ES2655046 T3 ES 2655046T3
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matrix
input
down mix
mix matrix
channels
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Spanish (es)
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Florin Ghido
Achim Kuntz
Bernhard Grill
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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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
    • G10L19/04—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
    • G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0212—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 spectral analysis, e.g. transform vocoders or subband vocoders using orthogonal transformation
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/022—Blocking, i.e. grouping of samples in time; Choice of analysis windows; Overlap factoring
    • G10L19/025—Detection of transients or attacks for time/frequency resolution switching
    • 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
    • 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
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
ES14783660.5T 2013-10-22 2014-10-13 Procedimiento para decodificar y codificar una matriz de mezcla descendente, procedimiento para presentar contenidos de audio, codificador y decodificador para una matriz de mezcla descendente, codificador de audio y decodificador de audio Active ES2655046T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP13189770 2013-10-22
EP20130189770 EP2866227A1 (en) 2013-10-22 2013-10-22 Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
PCT/EP2014/071929 WO2015058991A1 (en) 2013-10-22 2014-10-13 Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder

Publications (1)

Publication Number Publication Date
ES2655046T3 true ES2655046T3 (es) 2018-02-16

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US (5) US9947326B2 (enExample)
EP (2) EP2866227A1 (enExample)
JP (1) JP6313439B2 (enExample)
KR (1) KR101798348B1 (enExample)
CN (2) CN110675882B (enExample)
AR (1) AR098152A1 (enExample)
AU (1) AU2014339167B2 (enExample)
BR (1) BR112016008787B1 (enExample)
CA (1) CA2926986C (enExample)
ES (1) ES2655046T3 (enExample)
MX (1) MX353997B (enExample)
MY (1) MY176779A (enExample)
PL (1) PL3061087T3 (enExample)
PT (1) PT3061087T (enExample)
RU (1) RU2648588C2 (enExample)
SG (1) SG11201603089VA (enExample)
TW (1) TWI571866B (enExample)
WO (1) WO2015058991A1 (enExample)
ZA (1) ZA201603298B (enExample)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2830051A3 (en) 2013-07-22 2015-03-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
EP2866227A1 (en) * 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder
US10497379B2 (en) 2015-06-17 2019-12-03 Samsung Electronics Co., Ltd. Method and device for processing internal channels for low complexity format conversion
CN114005454B (zh) 2015-06-17 2025-03-11 三星电子株式会社 实现低复杂度格式转换的内部声道处理方法和装置
WO2016204583A1 (ko) * 2015-06-17 2016-12-22 삼성전자 주식회사 저연산 포맷 변환을 위한 인터널 채널 처리 방법 및 장치
JP6921832B2 (ja) * 2016-02-03 2021-08-18 ドルビー・インターナショナル・アーベー オーディオ符号化における効率的なフォーマット変換
EP3453190A4 (en) 2016-05-06 2020-01-15 DTS, Inc. SYSTEMS FOR IMMERSIVE AUDIO PLAYBACK
JP7003924B2 (ja) * 2016-09-20 2022-01-21 ソニーグループ株式会社 情報処理装置と情報処理方法およびプログラム
US10075789B2 (en) * 2016-10-11 2018-09-11 Dts, Inc. Gain phase equalization (GPEQ) filter and tuning methods for asymmetric transaural audio reproduction
US10659906B2 (en) * 2017-01-13 2020-05-19 Qualcomm Incorporated Audio parallax for virtual reality, augmented reality, and mixed reality
US10979844B2 (en) * 2017-03-08 2021-04-13 Dts, Inc. Distributed audio virtualization systems
JP7224302B2 (ja) * 2017-05-09 2023-02-17 ドルビー ラボラトリーズ ライセンシング コーポレイション マルチチャネル空間的オーディオ・フォーマット入力信号の処理
WO2019004524A1 (ko) * 2017-06-27 2019-01-03 엘지전자 주식회사 6자유도 환경에서 오디오 재생 방법 및 오디오 재생 장치
JP7222668B2 (ja) * 2017-11-17 2023-02-15 日本放送協会 音響処理装置及びプログラム
US11532316B2 (en) 2017-12-19 2022-12-20 Dolby International Ab Methods and apparatus systems for unified speech and audio decoding improvements
GB2571572A (en) * 2018-03-02 2019-09-04 Nokia Technologies Oy Audio processing
WO2019197349A1 (en) * 2018-04-11 2019-10-17 Dolby International Ab Methods, apparatus and systems for a pre-rendered signal for audio rendering
KR20210076145A (ko) 2018-11-02 2021-06-23 돌비 인터네셔널 에이비 오디오 인코더 및 오디오 디코더
GB2582749A (en) * 2019-03-28 2020-10-07 Nokia Technologies Oy Determination of the significance of spatial audio parameters and associated encoding
BR112021025265A2 (pt) * 2019-06-14 2022-03-15 Fraunhofer Ges Forschung Sintetizador de áudio, codificador de áudio, sistema, método e unidade de armazenamento não transitória
KR20220047816A (ko) 2019-08-15 2022-04-19 돌비 레버러토리즈 라이쎈싱 코오포레이션 수정된 비트스트림들의 생성 및 처리를 위한 방법들 및 디바이스들
US11967330B2 (en) 2019-08-15 2024-04-23 Dolby International Ab Methods and devices for generation and processing of modified audio bitstreams
WO2021041623A1 (en) * 2019-08-30 2021-03-04 Dolby Laboratories Licensing Corporation Channel identification of multi-channel audio signals
EP3809709A1 (en) * 2019-10-14 2021-04-21 Koninklijke Philips N.V. Apparatus and method for audio encoding
KR102471715B1 (ko) 2019-12-02 2022-11-29 돌비 레버러토리즈 라이쎈싱 코오포레이션 채널-기반 오디오로부터 객체-기반 오디오로의 변환을 위한 시스템, 방법 및 장치
GB2593672A (en) * 2020-03-23 2021-10-06 Nokia Technologies Oy Switching between audio instances
WO2021252748A1 (en) * 2020-06-11 2021-12-16 Dolby Laboratories Licensing Corporation Encoding of multi-channel audio signals comprising downmixing of a primary and two or more scaled non-primary input channels
KR20230043876A (ko) 2020-07-07 2023-03-31 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 다중 채널 오디오 신호의 채널에 대한 스케일 파라미터의 공동 코딩을 사용하는 오디오 디코더, 오디오 인코더 및 관련 방법
DE112021004444T5 (de) * 2020-08-27 2023-06-22 Apple Inc. Stereobasierte immersive codierung (stic)
CN114334040B (zh) * 2021-11-26 2025-05-30 腾讯科技（深圳）有限公司 分子图重构模型的训练方法、装置以及电子设备
CN119179461B (zh) * 2024-11-19 2025-04-01 杭州海康威视数字技术股份有限公司 拼接屏音频输出的管理方法、装置、系统、设备及介质

Family Cites Families (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6108633A (en) * 1996-05-03 2000-08-22 Lsi Logic Corporation Audio decoder core constants ROM optimization
US6697491B1 (en) * 1996-07-19 2004-02-24 Harman International Industries, Incorporated 5-2-5 matrix encoder and decoder system
US20040062401A1 (en) * 2002-02-07 2004-04-01 Davis Mark Franklin Audio channel translation
US6522270B1 (en) * 2001-12-26 2003-02-18 Sun Microsystems, Inc. Method of coding frequently occurring values
US7447317B2 (en) * 2003-10-02 2008-11-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V Compatible multi-channel coding/decoding by weighting the downmix channel
AU2005219956B2 (en) * 2004-03-01 2009-05-28 Dolby Laboratories Licensing Corporation Multichannel audio coding
US20090299756A1 (en) * 2004-03-01 2009-12-03 Dolby Laboratories Licensing Corporation Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners
CN102122509B (zh) * 2004-04-05 2016-03-23 皇家飞利浦电子股份有限公司 多信道解码器和多信道解码方法
SE0400998D0 (sv) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
US8843378B2 (en) * 2004-06-30 2014-09-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Multi-channel synthesizer and method for generating a multi-channel output signal
TWI393121B (zh) * 2004-08-25 2013-04-11 杜比實驗室特許公司 處理一組n個聲音信號之方法與裝置及與其相關聯之電腦程式
CN101010724B (zh) * 2004-08-27 2011-05-25 松下电器产业株式会社 音频编码器
US8204261B2 (en) * 2004-10-20 2012-06-19 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Diffuse sound shaping for BCC schemes and the like
SE0402650D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Improved parametric stereo compatible coding of spatial audio
US7787631B2 (en) * 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
RU2407073C2 (ru) * 2005-03-30 2010-12-20 Конинклейке Филипс Электроникс Н.В. Кодирование многоканального аудио
ATE421845T1 (de) * 2005-04-15 2009-02-15 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
JP4988716B2 (ja) * 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
CA2610430C (en) * 2005-06-03 2016-02-23 Dolby Laboratories Licensing Corporation Channel reconfiguration with side information
US8108219B2 (en) * 2005-07-11 2012-01-31 Lg Electronics Inc. Apparatus and method of encoding and decoding audio signal
ES2433316T3 (es) * 2005-07-19 2013-12-10 Koninklijke Philips N.V. Generación de señales de audio de multiples canales
US7974713B2 (en) * 2005-10-12 2011-07-05 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Temporal and spatial shaping of multi-channel audio signals
KR100888474B1 (ko) * 2005-11-21 2009-03-12 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법
KR20070077134A (ko) * 2006-01-19 2007-07-25 엘지전자 주식회사 미디어 신호의 처리 방법 및 장치
EP3267439A1 (en) * 2006-02-03 2018-01-10 Electronics and Telecommunications Research Institute Method and apparatus for control of rendering multiobject or multichannel audio signal using spatial cue
US7965848B2 (en) * 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
US8027479B2 (en) * 2006-06-02 2011-09-27 Coding Technologies Ab Binaural multi-channel decoder in the context of non-energy conserving upmix rules
CN101506875B (zh) * 2006-07-07 2012-12-19 弗劳恩霍夫应用研究促进协会 用于组合多个参数编码的音频源的设备和方法
US8687829B2 (en) * 2006-10-16 2014-04-01 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for multi-channel parameter transformation
EP2068307B1 (en) * 2006-10-16 2011-12-07 Dolby International AB Enhanced coding and parameter representation of multichannel downmixed object coding
DE102006050068B4 (de) * 2006-10-24 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Umgebungssignals aus einem Audiosignal, Vorrichtung und Verfahren zum Ableiten eines Mehrkanal-Audiosignals aus einem Audiosignal und Computerprogramm
JP5450085B2 (ja) * 2006-12-07 2014-03-26 エルジー エレクトロニクス インコーポレイティド オーディオ処理方法及び装置
WO2008100099A1 (en) * 2007-02-14 2008-08-21 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
CN101689368B (zh) * 2007-03-30 2012-08-22 韩国电子通信研究院 对具有多声道的多对象音频信号进行编码和解码的设备和方法
DE102007018032B4 (de) * 2007-04-17 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung dekorrelierter Signale
EP2137725B1 (en) * 2007-04-26 2014-01-08 Dolby International AB Apparatus and method for synthesizing an output signal
WO2009039897A1 (en) * 2007-09-26 2009-04-02 Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E.V. Apparatus and method for extracting an ambient signal in an apparatus and method for obtaining weighting coefficients for extracting an ambient signal and computer program
AU2008309951B8 (en) * 2007-10-09 2011-12-22 Dolby International Ab Method and apparatus for generating a binaural audio signal
DE102007048973B4 (de) * 2007-10-12 2010-11-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals mit einer Sprachsignalverarbeitung
JP5883561B2 (ja) * 2007-10-17 2016-03-15 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 アップミックスを使用した音声符号器
ES2391801T3 (es) * 2008-01-01 2012-11-30 Lg Electronics Inc. Procedimiento y aparato para procesar una señal de audio
US7733245B2 (en) * 2008-06-25 2010-06-08 Aclara Power-Line Systems Inc. Compression scheme for interval data
EP2154911A1 (en) * 2008-08-13 2010-02-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. An apparatus for determining a spatial output multi-channel audio signal
EP2347410B1 (en) * 2008-09-11 2018-04-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for providing a set of spatial cues on the basis of a microphone signal and apparatus for providing a two-channel audio signal and a set of spatial cues
US8798776B2 (en) * 2008-09-30 2014-08-05 Dolby International Ab Transcoding of audio metadata
EP2175670A1 (en) * 2008-10-07 2010-04-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Binaural rendering of a multi-channel audio signal
BR122019023877B1 (pt) * 2009-03-17 2021-08-17 Dolby International Ab Sistema codificador, sistema decodificador, método para codificar um sinal estéreo para um sinal de fluxo de bits e método para decodificar um sinal de fluxo de bits para um sinal estéreo
US8000485B2 (en) * 2009-06-01 2011-08-16 Dts, Inc. Virtual audio processing for loudspeaker or headphone playback
PL2446435T3 (pl) * 2009-06-24 2013-11-29 Fraunhofer Ges Forschung Dekoder sygnału audio, sposób dekodowania sygnału audio i program komputerowy wykorzystujący kaskadowe etapy przetwarzania obiektów audio
EP2360681A1 (en) * 2010-01-15 2011-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information
TWI557723B (zh) * 2010-02-18 2016-11-11 杜比實驗室特許公司 解碼方法及系統
US8908874B2 (en) * 2010-09-08 2014-12-09 Dts, Inc. Spatial audio encoding and reproduction
EP2477188A1 (en) * 2011-01-18 2012-07-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Encoding and decoding of slot positions of events in an audio signal frame
KR102374897B1 (ko) * 2011-03-16 2022-03-17 디티에스, 인코포레이티드 3차원 오디오 사운드트랙의 인코딩 및 재현
WO2012177067A2 (ko) 2011-06-21 2012-12-27 삼성전자 주식회사 오디오 신호 처리방법 및 장치와 이를 채용하는 단말기
EP2560161A1 (en) * 2011-08-17 2013-02-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Optimal mixing matrices and usage of decorrelators in spatial audio processing
KR20130093798A (ko) * 2012-01-02 2013-08-23 한국전자통신연구원 다채널 신호 부호화 및 복호화 장치 및 방법
US9622014B2 (en) * 2012-06-19 2017-04-11 Dolby Laboratories Licensing Corporation Rendering and playback of spatial audio using channel-based audio systems
US9761229B2 (en) * 2012-07-20 2017-09-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for audio object clustering
US9516446B2 (en) * 2012-07-20 2016-12-06 Qualcomm Incorporated Scalable downmix design for object-based surround codec with cluster analysis by synthesis
EP2956935B1 (en) * 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
US10199044B2 (en) * 2013-03-20 2019-02-05 Nokia Technologies Oy Audio signal encoder comprising a multi-channel parameter selector
EP2866227A1 (en) * 2013-10-22 2015-04-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Method for decoding and encoding a downmix matrix, method for presenting audio content, encoder and decoder for a downmix matrix, audio encoder and audio decoder

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