RU2625444C2 - Система обработки аудио - Google Patents

Система обработки аудио Download PDF

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Publication number
RU2625444C2
RU2625444C2 RU2015147158A RU2015147158A RU2625444C2 RU 2625444 C2 RU2625444 C2 RU 2625444C2 RU 2015147158 A RU2015147158 A RU 2015147158A RU 2015147158 A RU2015147158 A RU 2015147158A RU 2625444 C2 RU2625444 C2 RU 2625444C2
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signal
mode
frequency
cascade
audio
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RU2015147158A
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Russian (ru)
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RU2015147158A (ru
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Кристофер ЧЕРЛИНГ
Хейко ПУРНХАГЕН
Ларс ВИЛЛЕМОЕС
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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
    • G10L19/008—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
    • G10L19/032—Quantisation or dequantisation of spectral components
    • 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
    • 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
    • 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)
  • Multimedia (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Circuit For Audible Band Transducer (AREA)
RU2015147158A 2013-04-05 2014-04-04 Система обработки аудио RU2625444C2 (ru)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US201361809019P 2013-04-05 2013-04-05
US61/809,019 2013-04-05
US201361875959P 2013-09-10 2013-09-10
US61/875,959 2013-09-10
PCT/EP2014/056857 WO2014161996A2 (en) 2013-04-05 2014-04-04 Audio processing system

Publications (2)

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RU2015147158A RU2015147158A (ru) 2017-05-17
RU2625444C2 true RU2625444C2 (ru) 2017-07-13

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US (2) US9478224B2 (https=)
EP (1) EP2981956B1 (https=)
JP (2) JP6013646B2 (https=)
KR (1) KR101717006B1 (https=)
CN (2) CN109509478B (https=)
BR (1) BR112015025092B1 (https=)
ES (1) ES2934646T3 (https=)
IN (1) IN2015MN02784A (https=)
RU (1) RU2625444C2 (https=)
WO (1) WO2014161996A2 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2731602C1 (ru) * 2019-09-30 2020-09-04 Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) Способ и устройство компандирования с предыскажением звуковых вещательных сигналов
RU2809977C1 (ru) * 2019-09-03 2023-12-20 Долби Лэборетериз Лайсенсинг Корпорейшн Кодек с малой задержкой и низкочастотными эффектами
US12499899B2 (en) 2019-09-03 2025-12-16 Dolby Laboratories Licensing Corporation Low-latency, low-frequency effects codec

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI557727B (zh) 2013-04-05 2016-11-11 杜比國際公司 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品
RU2625444C2 (ru) * 2013-04-05 2017-07-13 Долби Интернэшнл Аб Система обработки аудио
RU2670377C2 (ru) * 2014-08-28 2018-10-22 Нокиа Текнолоджиз Ой Квантование аудиопараметров
WO2016142002A1 (en) 2015-03-09 2016-09-15 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal
KR20170134467A (ko) * 2015-04-10 2017-12-06 톰슨 라이센싱 다수의 오디오 신호들을 인코딩하기 위한 방법 및 디바이스, 그리고 개선된 분리로 다수의 오디오 신호들의 혼합을 디코딩하기 위한 방법 및 디바이스
EP3107096A1 (en) * 2015-06-16 2016-12-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Downscaled decoding
WO2017080835A1 (en) * 2015-11-10 2017-05-18 Dolby International Ab Signal-dependent companding system and method to reduce quantization noise
US10395664B2 (en) 2016-01-26 2019-08-27 Dolby Laboratories Licensing Corporation Adaptive Quantization
KR102546098B1 (ko) * 2016-03-21 2023-06-22 한국전자통신연구원 블록 기반의 오디오 부호화/복호화 장치 및 그 방법
US20170289536A1 (en) * 2016-03-31 2017-10-05 Le Holdings (Beijing) Co., Ltd. Method of audio debugging for television and electronic device
EP3475944B1 (en) * 2016-06-22 2020-07-15 Dolby International AB Audio decoder and method for transforming a digital audio signal from a first to a second frequency domain
US10249307B2 (en) * 2016-06-27 2019-04-02 Qualcomm Incorporated Audio decoding using intermediate sampling rate
US10224042B2 (en) 2016-10-31 2019-03-05 Qualcomm Incorporated Encoding of multiple audio signals
JP6817433B2 (ja) 2016-11-08 2021-01-20 フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． 少なくとも２つのチャンネルをダウンミックスするためのダウンミキサおよび方法ならびにマルチチャンネルエンコーダおよびマルチチャンネルデコーダ
GB2559200A (en) * 2017-01-31 2018-08-01 Nokia Technologies Oy Stereo audio signal encoder
US10475457B2 (en) 2017-07-03 2019-11-12 Qualcomm Incorporated Time-domain inter-channel prediction
US10950251B2 (en) * 2018-03-05 2021-03-16 Dts, Inc. Coding of harmonic signals in transform-based audio codecs
IL313348B2 (en) * 2018-04-25 2025-08-01 Dolby Int Ab Integration of high frequency reconstruction techniques with reduced post-processing delay
EP3808107A4 (en) 2018-06-18 2022-03-16 Magic Leap, Inc. SPATIAL SOUND FOR INTERACTIVE SOUND ENVIRONMENTS
CN112352277B (zh) * 2018-07-03 2024-05-31 松下电器（美国）知识产权公司 编码装置及编码方法
WO2020014517A1 (en) * 2018-07-12 2020-01-16 Dolby International Ab Dynamic eq
CA3128973A1 (en) 2019-03-04 2020-09-10 Bhaskar Bhattacharyya Data compression and communication using machine learning
WO2020216459A1 (en) * 2019-04-23 2020-10-29 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method or computer program for generating an output downmix representation
CN110335615B (zh) * 2019-05-05 2021-11-16 北京字节跳动网络技术有限公司 音频数据的处理方法、装置、电子设备及存储介质
WO2021004047A1 (zh) * 2019-07-09 2021-01-14 海信视像科技股份有限公司 显示装置、音频播放方法
CN113140225B (zh) * 2020-01-20 2024-07-02 腾讯科技（深圳）有限公司 语音信号处理方法、装置、电子设备及存储介质
CN111354365B (zh) * 2020-03-10 2023-10-31 苏宁云计算有限公司 一种纯语音数据采样率识别方法、装置、系统
JP7567180B2 (ja) * 2020-03-13 2024-10-16 ヤマハ株式会社 音響処理装置および音響処理方法
WO2022097239A1 (ja) * 2020-11-05 2022-05-12 日本電信電話株式会社 音信号精製方法、音信号復号方法、これらの装置、プログラム及び記録媒体
IL324941A (en) 2020-12-02 2026-01-01 Dolby Laboratories Licensing Corp Voice and audio services are embedded with adaptive mixing strategies
EP4243014A4 (en) 2021-01-25 2024-07-17 Samsung Electronics Co., Ltd. DEVICE AND METHOD FOR PROCESSING A MULTI-CHANNEL AUDIO SIGNAL
CN118038879A (zh) * 2022-11-07 2024-05-14 抖音视界有限公司 一种音频数据的编码方法、解码方法及装置
GB2624686B (en) * 2022-11-25 2025-07-23 Lenbrook Industries Ltd Improvements to audio coding
US20250078845A1 (en) * 2023-08-29 2025-03-06 Samsung Electronics Co., Ltd. Lossless audio coding for multichannel hierarchical reconstruction

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005078076A2 (en) * 2004-02-06 2005-08-25 Medical Research Council Tpl2 and its expression
RU2355046C2 (ru) * 2004-09-08 2009-05-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для формирования многоканального сигнала или набора параметрических данных
RU2367033C2 (ru) * 2005-04-15 2009-09-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Многоканальное иерархическое аудиокодирование с компактной дополнительной информацией
US20100258542A1 (en) * 2008-01-18 2010-10-14 Miasole Laser polishing of a back contact of a solar cell
RU2407073C2 (ru) * 2005-03-30 2010-12-20 Конинклейке Филипс Электроникс Н.В. Кодирование многоканального аудио
EP2302624A1 (en) * 2008-07-14 2011-03-30 Electronics and Telecommunications Research Institute Apparatus for encoding and decoding of integrated speech and audio
US20110112829A1 (en) * 2008-07-14 2011-05-12 Tae Jin Lee Apparatus and method for encoding and decoding of integrated speech and audio
EP2360683A1 (en) * 2010-02-18 2011-08-24 Dolby Laboratories Licensing Corporation Audio decoder and decoding method using efficient downmixing

Family Cites Families (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3582589B2 (ja) * 2001-03-07 2004-10-27 日本電気株式会社 音声符号化装置及び音声復号化装置
US7292901B2 (en) 2002-06-24 2007-11-06 Agere Systems Inc. Hybrid multi-channel/cue coding/decoding of audio signals
US7644003B2 (en) * 2001-05-04 2010-01-05 Agere Systems Inc. Cue-based audio coding/decoding
JP4108317B2 (ja) * 2001-11-13 2008-06-25 日本電気株式会社 符号変換方法及び装置とプログラム並びに記憶媒体
US7657427B2 (en) 2002-10-11 2010-02-02 Nokia Corporation Methods and devices for source controlled variable bit-rate wideband speech coding
DE602004005020T2 (de) * 2003-04-17 2007-10-31 Koninklijke Philips Electronics N.V. Audiosignalsynthese
US7412380B1 (en) * 2003-12-17 2008-08-12 Creative Technology Ltd. Ambience extraction and modification for enhancement and upmix of audio signals
US7394903B2 (en) * 2004-01-20 2008-07-01 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal
CA2457988A1 (en) * 2004-02-18 2005-08-18 Voiceage Corporation Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization
CN1677493A (zh) * 2004-04-01 2005-10-05 北京宫羽数字技术有限责任公司 一种增强音频编解码装置及方法
SE0400998D0 (sv) * 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
TWI393120B (zh) * 2004-08-25 2013-04-11 Dolby Lab Licensing Corp 用於音訊信號編碼及解碼之方法和系統、音訊信號編碼器、音訊信號解碼器、攜帶有位元流之電腦可讀取媒體、及儲存於電腦可讀取媒體上的電腦程式
SE0402649D0 (sv) * 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
EP1817767B1 (en) * 2004-11-30 2015-11-11 Agere Systems Inc. Parametric coding of spatial audio with object-based side information
US7903824B2 (en) * 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
CN101253557B (zh) * 2005-08-31 2012-06-20 松下电器产业株式会社 立体声编码装置及立体声编码方法
US20080004883A1 (en) 2006-06-30 2008-01-03 Nokia Corporation Scalable audio coding
EP2054882B1 (en) * 2006-08-15 2011-01-19 Dolby Laboratories Licensing Corporation Arbitrary shaping of temporal noise envelope without side-information
AU2007312598B2 (en) 2006-10-16 2011-01-20 Dolby International Ab Enhanced coding and parameter representation of multichannel downmixed object coding
US8363842B2 (en) * 2006-11-30 2013-01-29 Sony Corporation Playback method and apparatus, program, and recording medium
JP4930320B2 (ja) * 2006-11-30 2012-05-16 ソニー株式会社 再生方法及び装置、プログラム並びに記録媒体
US8200351B2 (en) 2007-01-05 2012-06-12 STMicroelectronics Asia PTE., Ltd. Low power downmix energy equalization in parametric stereo encoders
WO2008096313A1 (en) * 2007-02-06 2008-08-14 Koninklijke Philips Electronics N.V. Low complexity parametric stereo decoder
US8290167B2 (en) * 2007-03-21 2012-10-16 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for conversion between multi-channel audio formats
CN101889307B (zh) * 2007-10-04 2013-01-23 创新科技有限公司 相位-幅度3d立体声编码器和解码器
DE602008005250D1 (de) 2008-01-04 2011-04-14 Dolby Sweden Ab Audiokodierer und -dekodierer
CA2730200C (en) 2008-07-11 2016-09-27 Max Neuendorf An apparatus and a method for generating bandwidth extension output data
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
PT2146344T (pt) * 2008-07-17 2016-10-13 Fraunhofer Ges Forschung Esquema de codificação/descodificação de áudio com uma derivação comutável
ES2396173T3 (es) * 2008-07-18 2013-02-19 Dolby Laboratories Licensing Corporation Método y sistema para post-filtrado en el dominio frecuencia de datos de audio codificados en un decodificador
WO2010042024A1 (en) 2008-10-10 2010-04-15 Telefonaktiebolaget Lm Ericsson (Publ) Energy conservative multi-channel audio coding
JP5524237B2 (ja) * 2008-12-19 2014-06-18 ドルビー インターナショナル アーベー 空間キューパラメータを用いてマルチチャンネルオーディオ信号に反響を適用する方法と装置
WO2010075895A1 (en) 2008-12-30 2010-07-08 Nokia Corporation Parametric audio coding
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
BR122019023947B1 (pt) 2009-03-17 2021-04-06 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
FR2947945A1 (fr) 2009-07-07 2011-01-14 France Telecom Allocation de bits dans un codage/decodage d'amelioration d'un codage/decodage hierarchique de signaux audionumeriques
KR20110022252A (ko) 2009-08-27 2011-03-07 삼성전자주식회사 스테레오 오디오의 부호화, 복호화 방법 및 장치
KR20110049068A (ko) * 2009-11-04 2011-05-12 삼성전자주식회사 멀티 채널 오디오 신호의 부호화/복호화 장치 및 방법
US9117458B2 (en) * 2009-11-12 2015-08-25 Lg Electronics Inc. Apparatus for processing an audio signal and method thereof
US8442837B2 (en) 2009-12-31 2013-05-14 Motorola Mobility Llc Embedded speech and audio coding using a switchable model core
US8423355B2 (en) 2010-03-05 2013-04-16 Motorola Mobility Llc Encoder for audio signal including generic audio and speech frames
EP2375409A1 (en) 2010-04-09 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction
US8489391B2 (en) 2010-08-05 2013-07-16 Stmicroelectronics Asia Pacific Pte., Ltd. Scalable hybrid auto coder for transient detection in advanced audio coding with spectral band replication
WO2012040898A1 (en) 2010-09-28 2012-04-05 Huawei Technologies Co., Ltd. Device and method for postprocessing decoded multi-channel audio signal or decoded stereo signal
WO2012058805A1 (en) 2010-11-03 2012-05-10 Huawei Technologies Co., Ltd. Parametric encoder for encoding a multi-channel audio signal
PL2550653T3 (pl) 2011-02-14 2014-09-30 Fraunhofer Ges Forschung Reprezentacja sygnału informacyjnego z użyciem transformacji zakładkowej
EP2523473A1 (en) * 2011-05-11 2012-11-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for generating an output signal employing a decomposer
EP2777042B1 (en) * 2011-11-11 2019-08-14 Dolby International AB Upsampling using oversampled sbr
RU2625444C2 (ru) * 2013-04-05 2017-07-13 Долби Интернэшнл Аб Система обработки аудио

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005078076A2 (en) * 2004-02-06 2005-08-25 Medical Research Council Tpl2 and its expression
RU2355046C2 (ru) * 2004-09-08 2009-05-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Устройство и способ для формирования многоканального сигнала или набора параметрических данных
RU2407073C2 (ru) * 2005-03-30 2010-12-20 Конинклейке Филипс Электроникс Н.В. Кодирование многоканального аудио
RU2367033C2 (ru) * 2005-04-15 2009-09-10 Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. Многоканальное иерархическое аудиокодирование с компактной дополнительной информацией
US20100258542A1 (en) * 2008-01-18 2010-10-14 Miasole Laser polishing of a back contact of a solar cell
EP2302624A1 (en) * 2008-07-14 2011-03-30 Electronics and Telecommunications Research Institute Apparatus for encoding and decoding of integrated speech and audio
US20110112829A1 (en) * 2008-07-14 2011-05-12 Tae Jin Lee Apparatus and method for encoding and decoding of integrated speech and audio
EP2360683A1 (en) * 2010-02-18 2011-08-24 Dolby Laboratories Licensing Corporation Audio decoder and decoding method using efficient downmixing

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2809977C1 (ru) * 2019-09-03 2023-12-20 Долби Лэборетериз Лайсенсинг Корпорейшн Кодек с малой задержкой и низкочастотными эффектами
US12499899B2 (en) 2019-09-03 2025-12-16 Dolby Laboratories Licensing Corporation Low-latency, low-frequency effects codec
RU2731602C1 (ru) * 2019-09-30 2020-09-04 Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) Способ и устройство компандирования с предыскажением звуковых вещательных сигналов

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US9812136B2 (en) 2017-11-07
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WO2014161996A3 (en) 2014-12-04
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