RU2648947C2 - Параметрическая реконструкция аудиосигналов - Google Patents

Параметрическая реконструкция аудиосигналов Download PDF

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RU2648947C2
RU2648947C2 RU2016119563A RU2016119563A RU2648947C2 RU 2648947 C2 RU2648947 C2 RU 2648947C2 RU 2016119563 A RU2016119563 A RU 2016119563A RU 2016119563 A RU2016119563 A RU 2016119563A RU 2648947 C2 RU2648947 C2 RU 2648947C2
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signal
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dry
parameters
channel
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RU2016119563A
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RU2016119563A (ru
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Ларс ВИЛЛЕМОЕС
Хейди-Мария ЛЕХТОНЕН
Хейко ПУРНХАГЕН
Тони ХИРВОНЕН
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Долби Интернэшнл 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
    • G10L19/04—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
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • 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
    • G10L19/008—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
    • G10L19/02—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
    • G10L19/04—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
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S5/00—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 
    • H04S5/005—Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation  of the pseudo five- or more-channel type, e.g. virtual surround
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/03—Application of parametric coding in stereophonic audio systems

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Stereophonic System (AREA)
RU2016119563A 2013-10-21 2014-10-21 Параметрическая реконструкция аудиосигналов RU2648947C2 (ru)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US201361893770P 2013-10-21 2013-10-21
US61/893,770 2013-10-21
US201461974544P 2014-04-03 2014-04-03
US61/974,544 2014-04-03
US201462037693P 2014-08-15 2014-08-15
US62/037,693 2014-08-15
PCT/EP2014/072570 WO2015059153A1 (en) 2013-10-21 2014-10-21 Parametric reconstruction of audio signals

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Publication Number Publication Date
RU2016119563A RU2016119563A (ru) 2017-11-28
RU2648947C2 true RU2648947C2 (ru) 2018-03-28

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EP (1) EP3061089B1 (https=)
JP (1) JP6479786B2 (https=)
KR (5) KR102244379B1 (https=)
CN (3) CN111192592B (https=)
BR (1) BR112016008817B1 (https=)
ES (1) ES2660778T3 (https=)
RU (1) RU2648947C2 (https=)
WO (1) WO2015059153A1 (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2832544C2 (ru) * 2018-04-25 2024-12-25 Долби Интернешнл Аб Интеграция методик реконструкции высоких частот с сокращенной задержкой постобработки
US12211513B2 (en) 2018-04-25 2025-01-28 Dolby International Ab Integration of high frequency audio reconstruction techniques
US12243543B2 (en) 2018-04-25 2025-03-04 Dolby International Ab Integration of high frequency reconstruction techniques with reduced post-processing delay
US12296028B2 (en) 2018-01-26 2025-05-13 Dolby International Ab Integration of high frequency reconstruction techniques with reduced post-processing delay

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2926243C (en) 2013-10-21 2018-01-23 Lars Villemoes Decorrelator structure for parametric reconstruction of audio signals
JP6479786B2 (ja) * 2013-10-21 2019-03-06 ドルビー・インターナショナル・アーベー オーディオ信号のパラメトリック再構成
BR112017008015B1 (pt) 2014-10-31 2023-11-14 Dolby International Ab Métodos e sistemas de decodificação e codificação de áudio
TWI587286B (zh) 2014-10-31 2017-06-11 杜比國際公司 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體
US9986363B2 (en) 2016-03-03 2018-05-29 Mach 1, Corp. Applications and format for immersive spatial sound
CN106851489A (zh) * 2017-03-23 2017-06-13 李业科 在小房间摆放多声道音箱的方法
US9820073B1 (en) 2017-05-10 2017-11-14 Tls Corp. Extracting a common signal from multiple audio signals
CA3258743A1 (en) 2017-07-28 2025-10-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus for encoding or decoding an encoded multichannel signal using a filling signal generated by a broad band filter
JP7107727B2 (ja) * 2018-04-17 2022-07-27 シャープ株式会社 音声処理装置、音声処理方法、プログラム、及び、プログラムの記録媒体
FR3101741A1 (fr) * 2019-10-02 2021-04-09 Orange Détermination de corrections à appliquer à un signal audio multicanal, codage et décodage associés
CN111696625A (zh) * 2020-04-21 2020-09-22 天津金域医学检验实验室有限公司 一种fish室荧光计数系统
MX2022015324A (es) * 2020-06-11 2023-02-27 Dolby Laboratories Licensing Corp Metodos y dispositivos para codificar y/o decodificar ruido de fondo espacial dentro de una se?al de entrada multicanal.
IL324941A (en) 2020-12-02 2026-01-01 Dolby Laboratories Licensing Corp Voice and audio services are embedded with adaptive mixing strategies
CA3240986A1 (en) 2021-12-20 2023-06-29 Dolby International Ab Ivas spar filter bank in qmf domain
WO2024073401A2 (en) * 2022-09-30 2024-04-04 Sonos, Inc. Home theatre audio playback with multichannel satellite playback devices
CN120092287A (zh) 2022-10-31 2025-06-03 杜比实验室特许公司 低比特率基于场景的音频编码
TW202508311A (zh) 2023-07-03 2025-02-16 美商杜拜研究特許公司 基於場景之音訊單聲道解碼之方法、裝置及系統

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007007263A2 (en) * 2005-07-14 2007-01-18 Koninklijke Philips Electronics N.V. Audio encoding and decoding
WO2008131903A1 (en) * 2007-04-26 2008-11-06 Dolby Sweden Ab Apparatus and method for synthesizing an output signal
WO2010040456A1 (en) * 2008-10-07 2010-04-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Binaural rendering of a multi-channel audio signal
EP2214162A1 (en) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Upmixer, method and computer program for upmixing a downmix audio signal
US20110173005A1 (en) * 2008-07-11 2011-07-14 Johannes Hilpert Efficient Use of Phase Information in Audio Encoding and Decoding
US20120177204A1 (en) * 2009-06-24 2012-07-12 Oliver Hellmuth Audio Signal Decoder, Method for Decoding an Audio Signal and Computer Program Using Cascaded Audio Object Processing Stages

Family Cites Families (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6111958A (en) * 1997-03-21 2000-08-29 Euphonics, Incorporated Audio spatial enhancement apparatus and methods
US7280664B2 (en) * 2000-08-31 2007-10-09 Dolby Laboratories Licensing Corporation Method for apparatus for audio matrix decoding
CA3026283C (en) * 2001-06-14 2019-04-09 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
SE0402649D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
SE0402652D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Methods for improved performance of prediction based multi- channel reconstruction
SE0402651D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods for interpolation and parameter signalling
EP1844626A2 (en) 2005-01-24 2007-10-17 THX Ltd Ambient and direct surround sound system
DE102005010057A1 (de) 2005-03-04 2006-09-07 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Erzeugen eines codierten Stereo-Signals eines Audiostücks oder Audiodatenstroms
DE602006015294D1 (de) * 2005-03-30 2010-08-19 Dolby Int Ab Mehrkanal-audiocodierung
DE602006004959D1 (de) * 2005-04-15 2009-03-12 Dolby Sweden Ab Zeitliche hüllkurvenformgebung von entkorrelierten signalen
US8577686B2 (en) * 2005-05-26 2013-11-05 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US7761303B2 (en) * 2005-08-30 2010-07-20 Lg Electronics Inc. Slot position coding of TTT syntax of spatial audio coding application
JP4918490B2 (ja) * 2005-09-02 2012-04-18 パナソニック株式会社 エネルギー整形装置及びエネルギー整形方法
KR100888474B1 (ko) * 2005-11-21 2009-03-12 삼성전자주식회사 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법
JP2007178684A (ja) * 2005-12-27 2007-07-12 Matsushita Electric Ind Co Ltd マルチチャンネルオーディオ復号装置
TWI469133B (zh) * 2006-01-19 2015-01-11 Lg Electronics Inc 媒體訊號處理方法及裝置
KR101001835B1 (ko) 2006-03-28 2010-12-15 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 멀티 채널 오디오 재구성에서 신호 셰이핑을 위한 개선 방법
RU2420814C2 (ru) * 2006-03-29 2011-06-10 Конинклейке Филипс Электроникс Н.В. Аудиодекодирование
US7965848B2 (en) * 2006-03-29 2011-06-21 Dolby International Ab Reduced number of channels decoding
KR20070099456A (ko) 2006-04-03 2007-10-09 엘지전자 주식회사 미디어 신호 처리 방법 및 장치
US8041041B1 (en) * 2006-05-30 2011-10-18 Anyka (Guangzhou) Microelectronics Technology Co., Ltd. Method and system for providing stereo-channel based multi-channel audio coding
WO2007146424A2 (en) 2006-06-15 2007-12-21 The Force Inc. Condition-based maintenance system and method
US7876904B2 (en) 2006-07-08 2011-01-25 Nokia Corporation Dynamic decoding of binaural audio signals
JP5238706B2 (ja) * 2006-09-29 2013-07-17 エルジー エレクトロニクス インコーポレイティド オブジェクトベースオーディオ信号のエンコーディング／デコーディング方法及びその装置
EP2084703B1 (en) * 2006-09-29 2019-05-01 LG Electronics Inc. Apparatus for processing mix signal and method thereof
AU2007312598B2 (en) * 2006-10-16 2011-01-20 Dolby International Ab Enhanced coding and parameter representation of multichannel downmixed object coding
DE102007018032B4 (de) * 2007-04-17 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung dekorrelierter Signale
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
BRPI0908630B1 (pt) * 2008-05-23 2020-09-15 Koninklijke Philips N.V. Aparelho de 'upmix' estéreo paramétrico, decodificador estéreo paramétrico, método para a geração de um sinal esquerdo e de um sinal direito a partir de um sinal de 'downmix' mono com base em parâmetros espaciais, dispositivo de execução de áudio, aparelho de 'downmix' estéreo paramétrico, codificador estéreo paramétrico, método para a geração de um sinal residual de previsão para um sinal de diferença a partir de um sinal esquerdo e de um sinal direito com base nos parâmetros espaciais, e, produto de programa de computador
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
WO2010036062A2 (en) 2008-09-25 2010-04-01 Lg Electronics Inc. A method and an apparatus for processing a signal
EP2169666B1 (en) 2008-09-25 2015-07-15 Lg Electronics Inc. A method and an apparatus for processing a signal
EP2169664A3 (en) 2008-09-25 2010-04-07 LG Electronics Inc. A method and an apparatus for processing a signal
EP2214161A1 (en) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for upmixing a downmix audio signal
US8666752B2 (en) 2009-03-18 2014-03-04 Samsung Electronics Co., Ltd. Apparatus and method for encoding and decoding multi-channel signal
JP5358691B2 (ja) 2009-04-08 2013-12-04 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 位相値平滑化を用いてダウンミックスオーディオ信号をアップミックスする装置、方法、およびコンピュータプログラム
CN102414743A (zh) * 2009-04-21 2012-04-11 皇家飞利浦电子股份有限公司 音频信号合成
US8705769B2 (en) 2009-05-20 2014-04-22 Stmicroelectronics, Inc. Two-to-three channel upmix for center channel derivation
WO2011045409A1 (en) * 2009-10-16 2011-04-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for providing one or more adjusted parameters for provision of an upmix signal representation on the basis of a downmix signal representation and a parametric side information associated with the downmix signal representation, using an average value
MY153337A (en) * 2009-10-20 2015-01-29 Fraunhofer Ges Forschung Apparatus for providing an upmix signal representation on the basis of a downmix signal representation,apparatus for providing a bitstream representing a multi-channel audio signal,methods,computer program and bitstream using a distortion control signaling
US9026450B2 (en) 2011-03-09 2015-05-05 Dts Llc System for dynamically creating and rendering audio objects
CN102446507B (zh) * 2011-09-27 2013-04-17 华为技术有限公司 一种下混信号生成、还原的方法和装置
WO2013120510A1 (en) * 2012-02-14 2013-08-22 Huawei Technologies Co., Ltd. A method and apparatus for performing an adaptive down- and up-mixing of a multi-channel audio signal
CN103325383A (zh) * 2012-03-23 2013-09-25 杜比实验室特许公司 音频处理方法和音频处理设备
WO2013181272A2 (en) 2012-05-31 2013-12-05 Dts Llc Object-based audio system using vector base amplitude panning
DE102012210525A1 (de) 2012-06-21 2013-12-24 Robert Bosch Gmbh Verfahren zur Funktionskontrolle eines Sensors zur Detektion von Teilchen und Sensor zur Detektion von Teilchen
US9288603B2 (en) 2012-07-15 2016-03-15 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for backward-compatible audio coding
US9761229B2 (en) 2012-07-20 2017-09-12 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for audio object clustering
KR20140016780A (ko) * 2012-07-31 2014-02-10 인텔렉추얼디스커버리 주식회사 오디오 신호 처리 방법 및 장치
EP2830053A1 (en) * 2013-07-22 2015-01-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal
JP6479786B2 (ja) * 2013-10-21 2019-03-06 ドルビー・インターナショナル・アーベー オーディオ信号のパラメトリック再構成

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007007263A2 (en) * 2005-07-14 2007-01-18 Koninklijke Philips Electronics N.V. Audio encoding and decoding
WO2008131903A1 (en) * 2007-04-26 2008-11-06 Dolby Sweden Ab Apparatus and method for synthesizing an output signal
US20110173005A1 (en) * 2008-07-11 2011-07-14 Johannes Hilpert Efficient Use of Phase Information in Audio Encoding and Decoding
WO2010040456A1 (en) * 2008-10-07 2010-04-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Binaural rendering of a multi-channel audio signal
US20110264456A1 (en) * 2008-10-07 2011-10-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Binaural rendering of a multi-channel audio signal
RU2011117698A (ru) * 2008-10-07 2012-11-10 Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф., (DE) Бинауральная визуализация мультиканального звукового сигнала
EP2214162A1 (en) * 2009-01-28 2010-08-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Upmixer, method and computer program for upmixing a downmix audio signal
US20120177204A1 (en) * 2009-06-24 2012-07-12 Oliver Hellmuth Audio Signal Decoder, Method for Decoding an Audio Signal and Computer Program Using Cascaded Audio Object Processing Stages

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12296028B2 (en) 2018-01-26 2025-05-13 Dolby International Ab Integration of high frequency reconstruction techniques with reduced post-processing delay
RU2832544C2 (ru) * 2018-04-25 2024-12-25 Долби Интернешнл Аб Интеграция методик реконструкции высоких частот с сокращенной задержкой постобработки
US12211513B2 (en) 2018-04-25 2025-01-28 Dolby International Ab Integration of high frequency audio reconstruction techniques
US12243543B2 (en) 2018-04-25 2025-03-04 Dolby International Ab Integration of high frequency reconstruction techniques with reduced post-processing delay
US12300263B2 (en) 2018-04-25 2025-05-13 Dolby International Ab Integration of high frequency audio reconstruction techniques
US12300258B2 (en) 2018-04-25 2025-05-13 Dolby International Ab Integration of high frequency reconstruction techniques with reduced post-processing delay
US12334102B2 (en) 2018-04-25 2025-06-17 Dolby International Ab Integration of high frequency audio reconstruction techniques
US12340819B2 (en) 2018-04-25 2025-06-24 Dolby International Ab Integration of high frequency audio reconstruction techniques

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US20260004793A1 (en) 2026-01-01
US10242685B2 (en) 2019-03-26
EP3061089A1 (en) 2016-08-31
CN105917406A (zh) 2016-08-31
US20240087584A1 (en) 2024-03-14
US20200302943A1 (en) 2020-09-24
KR20210046848A (ko) 2021-04-28
KR102486365B1 (ko) 2023-01-09
KR102381216B1 (ko) 2022-04-08
CN111179956B (zh) 2023-08-11
KR102244379B1 (ko) 2021-04-26
KR20230011480A (ko) 2023-01-20
US20180268831A1 (en) 2018-09-20
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