ES2613478T3 - Decorrelación de señales en un sistema de procesamiento de audio - Google Patents

Decorrelación de señales en un sistema de procesamiento de audio Download PDF

Info

Publication number
ES2613478T3
ES2613478T3 ES14703015.9T ES14703015T ES2613478T3 ES 2613478 T3 ES2613478 T3 ES 2613478T3 ES 14703015 T ES14703015 T ES 14703015T ES 2613478 T3 ES2613478 T3 ES 2613478T3
Authority
ES
Spain
Prior art keywords
decorrelation
audio data
implementations
channels
channel
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
ES14703015.9T
Other languages
English (en)
Spanish (es)
Inventor
Vinay Melkote
Kuan-Chieh Yen
Grant A. Davidson
Matthew Fellers
Mark S. Vinton
Vivek Kumar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dolby Laboratories Licensing Corp
Original Assignee
Dolby Laboratories Licensing Corp
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 Dolby Laboratories Licensing Corp filed Critical Dolby Laboratories Licensing Corp
Application granted granted Critical
Publication of ES2613478T3 publication Critical patent/ES2613478T3/es
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/008Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/02Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S3/00Systems employing more than two channels, e.g. quadraphonic
    • H04S3/008Systems 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04SSTEREOPHONIC SYSTEMS 
    • H04S5/00Pseudo-stereo systems, e.g. in which additional channel signals are derived from monophonic signals by means of phase shifting, time delay or reverberation 

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • Stereophonic System (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Telephonic Communication Services (AREA)
ES14703015.9T 2013-02-14 2014-01-22 Decorrelación de señales en un sistema de procesamiento de audio Active ES2613478T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201361764837P 2013-02-14 2013-02-14
US201361764837P 2013-02-14
PCT/US2014/012453 WO2014126682A1 (en) 2013-02-14 2014-01-22 Signal decorrelation in an audio processing system

Publications (1)

Publication Number Publication Date
ES2613478T3 true ES2613478T3 (es) 2017-05-24

Family

ID=50064800

Family Applications (1)

Application Number Title Priority Date Filing Date
ES14703015.9T Active ES2613478T3 (es) 2013-02-14 2014-01-22 Decorrelación de señales en un sistema de procesamiento de audio

Country Status (11)

Country Link
US (1) US9830916B2 (enExample)
EP (1) EP2956933B1 (enExample)
JP (1) JP6038355B2 (enExample)
KR (1) KR102114648B1 (enExample)
CN (1) CN104995676B (enExample)
BR (1) BR112015018981B1 (enExample)
ES (1) ES2613478T3 (enExample)
IN (1) IN2015MN01954A (enExample)
RU (1) RU2614381C2 (enExample)
TW (1) TWI618050B (enExample)
WO (1) WO2014126682A1 (enExample)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備
EP2956935B1 (en) 2013-02-14 2017-01-04 Dolby Laboratories Licensing Corporation Controlling the inter-channel coherence of upmixed audio signals
WO2014126688A1 (en) 2013-02-14 2014-08-21 Dolby Laboratories Licensing Corporation Methods for audio signal transient detection and decorrelation control
JP6570010B2 (ja) * 2014-04-02 2019-09-04 ケーエルエー コーポレイション マスクのための高密度位置合わせマップを生成するための方法、システム、およびコンピュータプログラム製品
EP3067886A1 (en) 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal
EP3179744B1 (en) * 2015-12-08 2018-01-31 Axis AB Method, device and system for controlling a sound image in an audio zone
CN105702263B (zh) * 2016-01-06 2019-08-30 清华大学 语音重放检测方法和装置
CN105931648B (zh) * 2016-06-24 2019-05-03 百度在线网络技术(北京)有限公司 音频信号解混响方法和装置
CN107895580B (zh) * 2016-09-30 2021-06-01 华为技术有限公司 一种音频信号的重建方法和装置
CN112397076A (zh) * 2016-11-23 2021-02-23 瑞典爱立信有限公司 用于自适应控制去相关滤波器的方法和装置
US10979844B2 (en) * 2017-03-08 2021-04-13 Dts, Inc. Distributed audio virtualization systems
US10019981B1 (en) 2017-06-02 2018-07-10 Apple Inc. Active reverberation augmentation
EP3573058B1 (en) * 2018-05-23 2021-02-24 Harman Becker Automotive Systems GmbH Dry sound and ambient sound separation
CN111107024B (zh) * 2018-10-25 2022-01-28 航天科工惯性技术有限公司 时间与频率混合编码的防错解码方法
CN109557509B (zh) * 2018-11-23 2020-08-11 安徽四创电子股份有限公司 一种用于改善脉间干扰的双脉冲信号合成器
CN109672946B (zh) * 2019-02-15 2023-12-15 深圳市昊一源科技有限公司 一种无线通话系统、转发设备、终端设备及转发方法
US11195541B2 (en) * 2019-05-08 2021-12-07 Samsung Electronics Co., Ltd Transformer with gaussian weighted self-attention for speech enhancement
CN110267064B (zh) * 2019-06-12 2021-11-12 百度在线网络技术(北京)有限公司 音频播放状态处理方法、装置、设备及存储介质
CN110740416B (zh) * 2019-09-27 2021-04-06 广州励丰文化科技股份有限公司 一种音频信号处理方法及装置
CN110740404B (zh) * 2019-09-27 2020-12-25 广州励丰文化科技股份有限公司 一种音频相关性的处理方法及音频处理装置
CA3194878A1 (en) 2020-10-09 2022-04-14 Franz REUTELHUBER Apparatus, method, or computer program for processing an encoded audio scene using a parameter smoothing
EP4226366A2 (en) 2020-10-09 2023-08-16 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method, or computer program for processing an encoded audio scene using a bandwidth extension
EP4443911A4 (en) * 2021-12-03 2025-02-19 Beijing Xiaomi Mobile Software Co., Ltd. STEREO AUDIO SIGNAL PROCESSING METHOD, AND DEVICE/STORAGE MEDIUM/APPARATUS
GB2630112A (en) * 2023-05-17 2024-11-20 Sony Interactive Entertainment Europe Ltd A method for decorrelating a set of simulated audio signals
WO2025160833A1 (zh) * 2024-01-31 2025-08-07 北京小米移动软件有限公司 编解码方法、装置以及存储介质

Family Cites Families (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8308843D0 (en) 1983-03-30 1983-05-11 Clark A P Apparatus for adjusting receivers of data transmission channels
US5077798A (en) 1988-09-28 1991-12-31 Hitachi, Ltd. Method and system for voice coding based on vector quantization
JP2001519995A (ja) 1998-02-13 2001-10-23 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ サラウンド音声再生システム、音声/視覚再生システム、サラウンド信号処理ユニット、および入力サラウンド信号を処理する方法
US6175631B1 (en) 1999-07-09 2001-01-16 Stephen A. Davis Method and apparatus for decorrelating audio signals
US7218665B2 (en) 2003-04-25 2007-05-15 Bae Systems Information And Electronic Systems Integration Inc. Deferred decorrelating decision-feedback detector for supersaturated communications
SE0301273D0 (sv) 2003-04-30 2003-04-30 Coding Technologies Sweden Ab Advanced processing based on a complex-exponential-modulated filterbank and adaptive time signalling methods
SG149871A1 (en) 2004-03-01 2009-02-27 Dolby Lab Licensing Corp 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
JP5032978B2 (ja) 2004-04-05 2012-09-26 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ステレオコーディング及びデコーディングの方法及び装置
SE0400998D0 (sv) 2004-04-16 2004-04-16 Cooding Technologies Sweden Ab Method for representing multi-channel audio signals
CN101014998B (zh) * 2004-07-14 2011-02-23 皇家飞利浦电子股份有限公司 音频通道转换
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
EP1803115A2 (en) 2004-10-15 2007-07-04 Koninklijke Philips Electronics N.V. A system and a method of processing audio data to generate reverberation
SE0402649D0 (sv) 2004-11-02 2004-11-02 Coding Tech Ab Advanced methods of creating orthogonal signals
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
EP1691348A1 (en) * 2005-02-14 2006-08-16 Ecole Polytechnique Federale De Lausanne Parametric joint-coding of audio sources
US7961890B2 (en) 2005-04-15 2011-06-14 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung, E.V. Multi-channel hierarchical audio coding with compact side information
BRPI0611505A2 (pt) 2005-06-03 2010-09-08 Dolby Lab Licensing Corp reconfiguração de canal com informação secundária
EP1902443B1 (en) 2005-07-14 2009-06-03 Koninklijke Philips Electronics N.V. Audio encoding and decoding
CN101223821B (zh) 2005-07-15 2011-12-07 松下电器产业株式会社 音频解码器
RU2383942C2 (ru) 2005-08-30 2010-03-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для декодирования аудиосигнала
JP5231225B2 (ja) 2005-08-30 2013-07-10 エルジー エレクトロニクス インコーポレイティド オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
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
US7536299B2 (en) 2005-12-19 2009-05-19 Dolby Laboratories Licensing Corporation Correlating and decorrelating transforms for multiple description coding systems
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
KR100953645B1 (ko) 2006-01-19 2010-04-20 엘지전자 주식회사 미디어 신호 처리 방법 및 장치
TW200742275A (en) 2006-03-21 2007-11-01 Dolby Lab Licensing Corp Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information
PL1999997T3 (pl) 2006-03-28 2011-09-30 Fraunhofer Ges Forschung Udoskonalony sposób kształtowania sygnału podczas rekonstrukcji wielokanałowego sygnału audio
ATE448638T1 (de) 2006-04-13 2009-11-15 Fraunhofer Ges Forschung Audiosignaldekorrelator
US8379868B2 (en) 2006-05-17 2013-02-19 Creative Technology Ltd Spatial audio coding based on universal spatial cues
EP1883067A1 (en) 2006-07-24 2008-01-30 Deutsche Thomson-Brandt Gmbh Method and apparatus for lossless encoding of a source signal, using a lossy encoded data stream and a lossless extension data stream
JP5513887B2 (ja) 2006-09-14 2014-06-04 コーニンクレッカ フィリップス エヌ ヴェ 多チャネル信号のためのスイートスポット操作
RU2394283C1 (ru) 2007-02-14 2010-07-10 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способы и устройства для кодирования и декодирования объектно-базированных аудиосигналов
DE102007018032B4 (de) 2007-04-17 2010-11-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Erzeugung dekorrelierter Signale
US8015368B2 (en) 2007-04-20 2011-09-06 Siport, Inc. Processor extensions for accelerating spectral band replication
ES2452348T3 (es) * 2007-04-26 2014-04-01 Dolby International Ab Aparato y procedimiento para sintetizar una señal de salida
DE602008004252D1 (de) * 2007-06-08 2011-02-10 Dolby Lab Licensing Corp Hybridableitung von surround-sound-audiokanälen durch steuerbares kombinieren von umgebungs- und matrixdekodierten signalkomponenten
US8046214B2 (en) 2007-06-22 2011-10-25 Microsoft Corporation Low complexity decoder for complex transform coding of multi-channel sound
US8064624B2 (en) 2007-07-19 2011-11-22 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Method and apparatus for generating a stereo signal with enhanced perceptual quality
US20100040243A1 (en) 2008-08-14 2010-02-18 Johnston James D Sound Field Widening and Phase Decorrelation System and Method
EP2209114B1 (en) 2007-10-31 2014-05-14 Panasonic Corporation Speech coding/decoding apparatus/method
US20090281803A1 (en) 2008-05-12 2009-11-12 Broadcom Corporation Dispersion filtering for speech intelligibility enhancement
EP2144229A1 (en) * 2008-07-11 2010-01-13 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Efficient use of phase information in audio encoding and decoding
JP5326465B2 (ja) 2008-09-26 2013-10-30 富士通株式会社 オーディオ復号方法、装置、及びプログラム
TWI413109B (zh) 2008-10-01 2013-10-21 Dolby Lab Licensing Corp 用於上混系統之解相關器
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
EP2214165A3 (en) 2009-01-30 2010-09-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus, method and computer program for manipulating an audio signal comprising a transient event
EP2234103B1 (en) 2009-03-26 2011-09-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Device and method for manipulating an audio signal
US8497467B2 (en) 2009-04-13 2013-07-30 Telcordia Technologies, Inc. Optical filter control
PL2535892T3 (pl) 2009-06-24 2015-03-31 Fraunhofer Ges Forschung Dekoder sygnału audio, sposób dekodowania sygnału audio i program komputerowy wykorzystujący kaskadowe etapy przetwarzania obiektów audio
GB2465047B (en) 2009-09-03 2010-09-22 Peter Graham Craven Prediction of signals
EP2706529A3 (en) 2009-12-07 2014-04-02 Dolby Laboratories Licensing Corporation Decoding of multichannel audio encoded bit streams using adaptive hybrid transformation
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
TWI444989B (zh) 2010-01-22 2014-07-11 Dolby Lab Licensing Corp 針對改良多通道上混使用多通道解相關之技術
JP5299327B2 (ja) 2010-03-17 2013-09-25 ソニー株式会社 音声処理装置、音声処理方法、およびプログラム
KR101944328B1 (ko) 2010-04-09 2019-01-31 돌비 인터네셔널 에이비 Mdct-기반의 복소수 예측 스테레오 코딩
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
TWI516138B (zh) 2010-08-24 2016-01-01 杜比國際公司 從二聲道音頻訊號決定參數式立體聲參數之系統與方法及其電腦程式產品
CN103081006B (zh) 2010-08-24 2014-11-12 Lg电子株式会社 处理音频信号的方法和设备
CA2887939C (en) 2010-08-25 2017-11-07 Achim Kuntz An apparatus for encoding an audio signal having a plurality of channels
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
CA2830439C (en) 2011-03-18 2016-10-04 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Audio encoder and decoder having a flexible configuration functionality
CN102903368B (zh) 2011-07-29 2017-04-12 杜比实验室特许公司 用于卷积盲源分离的方法和设备
CN103718466B (zh) 2011-08-04 2016-08-17 杜比国际公司 通过使用参量立体声改善fm立体声无线电接收器
US8527264B2 (en) 2012-01-09 2013-09-03 Dolby Laboratories Licensing Corporation Method and system for encoding audio data with adaptive low frequency compensation
ES2549953T3 (es) 2012-08-27 2015-11-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para la reproducción de una señal de audio, aparato y método para la generación de una señal de audio codificada, programa de ordenador y señal de audio codificada
TWI618050B (zh) 2013-02-14 2018-03-11 杜比實驗室特許公司 用於音訊處理系統中之訊號去相關的方法及設備

Also Published As

Publication number Publication date
KR20150106949A (ko) 2015-09-22
CN104995676A (zh) 2015-10-21
BR112015018981A2 (pt) 2017-07-18
TWI618050B (zh) 2018-03-11
RU2614381C2 (ru) 2017-03-24
WO2014126682A1 (en) 2014-08-21
JP2016510433A (ja) 2016-04-07
US9830916B2 (en) 2017-11-28
EP2956933B1 (en) 2016-11-16
RU2015133287A (ru) 2017-02-21
US20150380000A1 (en) 2015-12-31
TW201443877A (zh) 2014-11-16
JP6038355B2 (ja) 2016-12-07
IN2015MN01954A (enExample) 2015-08-28
HK1213686A1 (en) 2016-07-08
BR112015018981B1 (pt) 2022-02-01
EP2956933A1 (en) 2015-12-23
CN104995676B (zh) 2018-03-30
KR102114648B1 (ko) 2020-05-26

Similar Documents

Publication Publication Date Title
ES2613478T3 (es) Decorrelación de señales en un sistema de procesamiento de audio
KR101729930B1 (ko) 업믹스된 오디오 신호들의 채널간 코히어런스를 제어하기 위한 방법
ES2568640T3 (es) Procedimientos y sistemas para recuperar de manera eficiente contenido de audio de alta frecuencia
ES2649981T3 (es) Aparato de decodificación de vídeo
JP6138279B2 (ja) 推定された空間的パラメータを使ったオーディオ信号の向上
ES2699750T3 (es) Transposición armónica basada en bloque de subbanda mejorado de producto cruzado
ES2655832T3 (es) Método y dispositivo de codificación y descodificación de señal
BR112019005074B1 (pt) Método para um dispositivo para codificação de dados com um código polar, dispositivo para codificação de dados com um código polar, método de decodificação para um dispositivo, dispositivo para decodificação com um código polar, e meio legível por computador
ES2585587T3 (es) Dispositivo y método para post-procesamiento de señal de audio multicanal decodificada o de señal estéreo decodificada
ES2526783T3 (es) Generador de filigrana digital, decodificador de filigrana digital, procedimiento para proporcionar una señal de filigrana digital en base a datos valorados discretos y procedimiento para proporcionar datos valorados discretos en dependencia de una señal de filigrana digital
CN106415604B (zh) 具有埃尔米特对称性的经译码光图案
RU2014122981A (ru) Интер-уровневое предсказание между уровнями с разным динамическим диапазоном значения отсчетов
ES2716152T3 (es) Método y aparato para predecir una señal de excitación de alta frecuencia
US8019616B2 (en) Method and apparatus for encoding audio signal, and method and apparatus for decoding audio signal
Kheddar et al. Pitch and fourier magnitude based steganography for hiding 2.4 kbps melp bitstream
ES2901749T3 (es) Método de descodificación, aparato de descodificación, programa y soporte de registro correspondientes
MX373047B (es) Metodo para determinar tonos reservados y transmisor para ejecutar reduccion papr utilizando la reservacion de tono.
Muratović-Ribić et al. Vectorial Hyperbent Trace Functions From the $\mathcal {PS} _ {\rm ap} $ Class—Their Exact Number and Specification
KR101945725B1 (ko) 양자 키 분배의 정보 조정을 위한 신호 송신 장치 및 수신 장치
Ruiz et al. On finite state Markov chains for Rayleigh channel modeling
Luu et al. Channel coding for 2-D FSO/CDMA systems over strong atmospheric turbulence channels
Williams A TRANSITION TO UNDERWATER QUANTUM COMMUNICATIONS FOR NAVAL VESSELS
JPS6210458B2 (enExample)
Jayaseelan et al. Information secured by the guidance of salt and pepper noise
Korzhik et al. The Capacity of a Stegosystem for the Noisy Attack Channel.