ZA201603298B - 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 - Google Patents

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

Info

Publication number
ZA201603298B
ZA201603298B ZA2016/03298A ZA201603298A ZA201603298B ZA 201603298 B ZA201603298 B ZA 201603298B ZA 2016/03298 A ZA2016/03298 A ZA 2016/03298A ZA 201603298 A ZA201603298 A ZA 201603298A ZA 201603298 B ZA201603298 B ZA 201603298B
Authority
ZA
South Africa
Prior art keywords
audio
encoder
decoder
downmix matrix
decoding
Prior art date
Application number
ZA2016/03298A
Other languages
English (en)
Inventor
Florin Ghido
Achim Kuntz
Bernhard Grill
Original Assignee
Fraunhofer Ges Forschung
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 Fraunhofer Ges Forschung filed Critical Fraunhofer Ges Forschung
Publication of ZA201603298B publication Critical patent/ZA201603298B/en

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
    • 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)
ZA2016/03298A 2013-10-22 2016-05-16 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 ZA201603298B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
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
ZA201603298B true ZA201603298B (en) 2019-09-25

Family

ID=49474267

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2016/03298A ZA201603298B (en) 2013-10-22 2016-05-16 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

Country Status (19)

Country Link
US (5) US9947326B2 (enExample)
EP (2) EP2866227A1 (enExample)
JP (1) JP6313439B2 (enExample)
KR (1) KR101798348B1 (enExample)
CN (2) CN105723453B (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
WO2016204583A1 (ko) * 2015-06-17 2016-12-22 삼성전자 주식회사 저연산 포맷 변환을 위한 인터널 채널 처리 방법 및 장치
US10490197B2 (en) 2015-06-17 2019-11-26 Samsung Electronics Co., Ltd. Method and device for processing internal channels for low complexity format conversion
US10497379B2 (en) 2015-06-17 2019-12-03 Samsung Electronics Co., Ltd. Method and device for processing internal channels for low complexity format conversion
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
WO2017192972A1 (en) 2016-05-06 2017-11-09 Dts, Inc. Immersive audio reproduction systems
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
US11089425B2 (en) * 2017-06-27 2021-08-10 Lg Electronics Inc. Audio playback method and audio playback apparatus in six degrees of freedom environment
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
EP3729298A1 (en) 2017-12-19 2020-10-28 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
CN115346539A (zh) * 2018-04-11 2022-11-15 杜比国际公司 用于音频渲染的预渲染信号的方法、设备和系统
EP3874491B1 (en) 2018-11-02 2024-05-01 Dolby International AB Audio encoder and audio decoder
GB2582749A (en) * 2019-03-28 2020-10-07 Nokia Technologies Oy Determination of the significance of spatial audio parameters and associated encoding
CA3193359A1 (en) * 2019-06-14 2020-12-17 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Parameter encoding and decoding
KR20250133479A (ko) 2019-08-15 2025-09-05 돌비 인터네셔널 에이비 수정된 오디오 비트스트림의 생성 및 처리를 위한 방법 및 디바이스
KR20220047816A (ko) 2019-08-15 2022-04-19 돌비 레버러토리즈 라이쎈싱 코오포레이션 수정된 비트스트림들의 생성 및 처리를 위한 방법들 및 디바이스들
JP7581333B2 (ja) * 2019-08-30 2024-11-12 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・オーディオ信号のチャネル識別
EP3809709A1 (en) * 2019-10-14 2021-04-21 Koninklijke Philips N.V. Apparatus and method for audio encoding
EP3857919B1 (en) 2019-12-02 2022-05-18 Dolby Laboratories Licensing Corporation Methods and apparatus for conversion from channel-based audio to object-based audio
GB2593672A (en) * 2020-03-23 2021-10-06 Nokia Technologies Oy Switching between audio instances
US12380898B2 (en) 2020-06-11 2025-08-05 Dolby Laboratories Licensing Corporation Encoding of multi-channel audio signals comprising downmixing of a primary and two or more scaled non-primary input channels
EP4447044A3 (en) 2020-07-07 2024-10-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio quantizer and audio dequantizer and related methods
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
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
CA3026276C (en) * 2004-03-01 2019-04-16 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques
BRPI0509113B8 (pt) * 2004-04-05 2018-10-30 Koninklijke Philips Nv codificador de multicanal, método para codificar sinais de entrada, conteúdo de dados codificados, portador de dados, e, decodificador operável para decodificar dados de saída codificados
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
JP4794448B2 (ja) * 2004-08-27 2011-10-19 パナソニック株式会社 オーディオエンコーダ
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
KR101271069B1 (ko) * 2005-03-30 2013-06-04 돌비 인터네셔널 에이비 다중채널 오디오 인코더 및 디코더와, 인코딩 및 디코딩 방법
ATE421845T1 (de) * 2005-04-15 2009-02-15 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
JP4988717B2 (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
WO2006132857A2 (en) * 2005-06-03 2006-12-14 Dolby Laboratories Licensing Corporation Apparatus and method for encoding audio signals with decoding instructions
US8108219B2 (en) * 2005-07-11 2012-01-31 Lg Electronics Inc. Apparatus and method of encoding and decoding audio signal
WO2007010451A1 (en) * 2005-07-19 2007-01-25 Koninklijke Philips Electronics N.V. Generation of multi-channel audio signals
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
CA2636494C (en) * 2006-01-19 2014-02-18 Lg Electronics Inc. Method and apparatus for processing a media signal
CN103366747B (zh) * 2006-02-03 2017-05-17 韩国电子通信研究院 用于控制音频信号的渲染的设备和方法
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
MY151722A (en) * 2006-07-07 2014-06-30 Fraunhofer Ges Forschung Concept for combining multiple parametrically coded audio sources
MY144273A (en) * 2006-10-16 2011-08-29 Fraunhofer Ges Forschung Apparatus and method for multi-chennel parameter transformation
WO2008046531A1 (en) * 2006-10-16 2008-04-24 Dolby Sweden 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
CN101553866B (zh) * 2006-12-07 2012-05-30 Lg电子株式会社 用于处理音频信号的方法和装置
CA2645913C (en) * 2007-02-14 2012-09-18 Lg Electronics Inc. Methods and apparatuses for encoding and decoding object-based audio signals
KR101422745B1 (ko) * 2007-03-30 2014-07-24 한국전자통신연구원 다채널로 구성된 다객체 오디오 신호의 인코딩 및 디코딩장치 및 방법
DE102007018032B4 (de) * 2007-04-17 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung dekorrelierter Signale
PL2137725T3 (pl) * 2007-04-26 2014-06-30 Dolby Int Ab Urządzenie i sposób do syntetyzowania sygnału wyjściowego
RU2472306C2 (ru) * 2007-09-26 2013-01-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. Устройство и способ для извлечения сигнала окружающей среды в устройстве и способ получения весовых коэффициентов для извлечения сигнала окружающей среды
EP2198632B1 (en) * 2007-10-09 2014-03-19 Koninklijke Philips N.V. 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
EP2082396A1 (en) * 2007-10-17 2009-07-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio coding using downmix
WO2009084914A1 (en) * 2008-01-01 2009-07-09 Lg Electronics Inc. A method and an apparatus for processing an audio signal
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
RU2493617C2 (ru) * 2008-09-11 2013-09-20 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство, способ и компьютерная программа для обеспечения набора пространственных указателей на основе сигнала микрофона и устройство для обеспечения двухканального аудиосигнала и набора пространственных указателей
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
CA3093218C (en) * 2009-03-17 2022-05-17 Dolby International Ab Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding
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
WO2013192111A1 (en) * 2012-06-19 2013-12-27 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
US9479886B2 (en) * 2012-07-20 2016-10-25 Qualcomm Incorporated Scalable downmix design with feedback for object-based surround codec
RU2630370C9 (ru) * 2013-02-14 2017-09-26 Долби Лабораторис Лайсэнзин Корпорейшн Способы управления межканальной когерентностью звуковых сигналов, подвергнутых повышающему микшированию
WO2014147441A1 (en) * 2013-03-20 2014-09-25 Nokia Corporation 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

Also Published As

Publication number Publication date
US11393481B2 (en) 2022-07-19
AU2014339167A1 (en) 2016-05-26
US10468038B2 (en) 2019-11-05
US20240304193A1 (en) 2024-09-12
RU2648588C2 (ru) 2018-03-26
JP6313439B2 (ja) 2018-04-25
US20180197553A1 (en) 2018-07-12
TWI571866B (zh) 2017-02-21
MX2016004924A (es) 2016-07-11
US20200090666A1 (en) 2020-03-19
ES2655046T3 (es) 2018-02-16
US9947326B2 (en) 2018-04-17
EP3061087A1 (en) 2016-08-31
BR112016008787B1 (pt) 2022-07-12
MX353997B (es) 2018-02-07
PT3061087T (pt) 2018-03-01
WO2015058991A1 (en) 2015-04-30
AR098152A1 (es) 2016-05-04
RU2016119546A (ru) 2017-11-28
CN110675882B (zh) 2023-07-21
US20160232901A1 (en) 2016-08-11
CA2926986C (en) 2018-06-12
MY176779A (en) 2020-08-21
KR20160073412A (ko) 2016-06-24
SG11201603089VA (en) 2016-05-30
CN110675882A (zh) 2020-01-10
TW201521013A (zh) 2015-06-01
BR112016008787A2 (enExample) 2017-08-01
AU2014339167B2 (en) 2017-01-05
JP2016538585A (ja) 2016-12-08
CN105723453B (zh) 2019-11-08
US12412586B2 (en) 2025-09-09
CN105723453A (zh) 2016-06-29
US11922957B2 (en) 2024-03-05
KR101798348B1 (ko) 2017-11-15
EP3061087B1 (en) 2017-11-22
EP2866227A1 (en) 2015-04-29
PL3061087T3 (pl) 2018-05-30
CA2926986A1 (en) 2015-04-30
US20230005489A1 (en) 2023-01-05

Similar Documents

Publication Publication Date Title
ZA201603298B (en) 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
ZA201701930B (en) Encoder, decoder and method for encoding and decoding audio content using parameters for enhancing a concealment
SG11201610837XA (en) Decoder and method for decoding an audio signal, encoder and method for encoding an audio signal
SG11201502611TA (en) Encoder, decoder and methods for signal-dependent zoom-transform in spatial audio object coding
ZA201601078B (en) Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals
SG11201406086UA (en) Decoder and decoding method, as well as encoder and encoding method
EP3048609A4 (en) Encoding device and method, decoding device and method, and program
ZA201506312B (en) Audio encoder, audio decoder, method for providing an encoded audio information, method for providing a decoded audio information, computer program and encoded representation using a signal-adaptive bandwidth extension
PL2677519T3 (pl) Dekoder mowy, koder mowy, sposób dekodowania mowy, sposób kodowania mowy, program do dekodowania mowy i program do kodowania mowy
EP3007168A4 (en) Encoding device and method, decoding device and method, and program
ZA201501570B (en) Encoder, decoder, system and method employing a residual concept for parametric audio object coding
PL3407351T3 (pl) Sposoby kodowania i dekodowania sygnału audio, dekoder audio i koder audio
ZA201700513B (en) Encoder, decoder, system and methods for encoding and decoding
SG11201503286UA (en) Audio signal encoding and decoding method, and audio signal encoding and decoding apparatus
PT3579228T (pt) Dispositivo de codificação de áudio
BR112016008544A2 (pt) Codificador para codificar e decodificador para decodificar um sinal de áudio, método para codificar e método para decodificar um sinal de áudio
EP3007166A4 (en) Encoding device and method, decoding device and method, and program
EP3128513A4 (en) Encoder, decoder, encoding method, decoding method, and program
EP3023984A4 (en) Encoder and encoding method for multichannel signal, and decoder and decoding method for multichannel signal
EP3057096A4 (en) Encoding device and method, decoding device and method, and program
PT3186806T (pt) Codificador, descodificador e método para codificar e descodificar conteúdo de áudio com o uso de parâmetros para melhorar uma ocultação
PT3128513T (pt) Codificador, descodificador, método de codificação, método de descodificação e programa