MX2012011801A - Codificador de audio o video, decodificador de audio o video y metodos relacionados para procesar señales de audio o video multicanal usando una direccion de prediccion variable. - Google Patents
Codificador de audio o video, decodificador de audio o video y metodos relacionados para procesar señales de audio o video multicanal usando una direccion de prediccion variable.Info
- Publication number
- MX2012011801A MX2012011801A MX2012011801A MX2012011801A MX2012011801A MX 2012011801 A MX2012011801 A MX 2012011801A MX 2012011801 A MX2012011801 A MX 2012011801A MX 2012011801 A MX2012011801 A MX 2012011801A MX 2012011801 A MX2012011801 A MX 2012011801A
- Authority
- MX
- Mexico
- Prior art keywords
- signal
- audio
- prediction
- video
- combination
- Prior art date
Links
- 238000009795 derivation Methods 0.000 abstract 1
- 238000005457 optimization Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive 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
- G10L19/04—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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
- H04N19/103—Selection of coding mode or of prediction mode
- H04N19/105—Selection of the reference unit for prediction within a chosen coding or prediction mode, e.g. adaptive choice of position and number of pixels used for prediction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/146—Data rate or code amount at the encoder output
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/154—Measured or subjectively estimated visual quality after decoding, e.g. measurement of distortion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
- H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
- H04N19/156—Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Stereo-Broadcasting Methods (AREA)
- Stereophonic System (AREA)
Abstract
Un codificador de audio o video y un decodificador de audio o video se basan en una combinación de dos canales de audio o video (201, 202) a fin de obtener una primera señal de combinación (204) como una señal media y una señal residual (205) que puede derivarse mediante el uso de una señal lateral predicha derivada de la señal media. La primera señal de combinación y la señal residual de predicción se codifican (209) y escriben (212) en un flujo de datos (213) junto con la información de predicción (206) derivada mediante un optimizador (207) en base a un objetivo de optimización (208) y un indicador de dirección de predicción que indica una dirección de predicción asociada con la señal residual. Un decodificador utiliza la señal residual de predicción, la primera señal de combinación, el indicador de dirección de predicción y la información de predicción para derivar una primera señal de canal decodificada y una segunda señal de canal decodificada. En un ejemplo de codificador o en un ejemplo de decodificador, se puede aplicar una transformada real a imaginaria para estimar la parte imaginaria del espectro de la primera señal de combinación. Para calcular la señal de predicción utilizada en la derivación de la señal residual de predicción, la primera señal de combinación con valor real se multiplica por una porción real de la información de predicción compleja y la parte imaginaria estimada de la primera señal de combinación se multiplica por una porción imaginaria de la información de predicción compleja.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US32368310P | 2010-04-13 | 2010-04-13 | |
PCT/EP2011/052354 WO2011128138A1 (en) | 2010-04-13 | 2011-02-17 | Audio or video encoder, audio or video decoder and related methods for processing multi-channel audio or video signals using a variable prediction direction |
Publications (1)
Publication Number | Publication Date |
---|---|
MX2012011801A true MX2012011801A (es) | 2012-12-17 |
Family
ID=44170568
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX2012011801A MX2012011801A (es) | 2010-04-13 | 2011-02-17 | Codificador de audio o video, decodificador de audio o video y metodos relacionados para procesar señales de audio o video multicanal usando una direccion de prediccion variable. |
Country Status (19)
Country | Link |
---|---|
US (9) | US9398294B2 (es) |
EP (10) | EP2559027B1 (es) |
JP (1) | JP5820464B2 (es) |
KR (1) | KR101430118B1 (es) |
CN (1) | CN103052983B (es) |
AR (1) | AR080866A1 (es) |
AU (1) | AU2011240239B2 (es) |
BR (2) | BR112012026324B1 (es) |
CA (1) | CA2796292C (es) |
ES (6) | ES2953084T3 (es) |
HK (1) | HK1183740A1 (es) |
MX (1) | MX2012011801A (es) |
MY (1) | MY194835A (es) |
PL (6) | PL3779981T3 (es) |
PT (2) | PT3779978T (es) |
RU (1) | RU2541864C2 (es) |
SG (1) | SG184537A1 (es) |
TW (1) | TWI466106B (es) |
WO (1) | WO2011128138A1 (es) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8027479B2 (en) * | 2006-06-02 | 2011-09-27 | Coding Technologies Ab | Binaural multi-channel decoder in the context of non-energy conserving upmix rules |
DK2556502T3 (en) | 2010-04-09 | 2019-03-04 | Dolby Int Ab | MDCT-BASED COMPLEX PREVIEW Stereo Decoding |
EP2544466A1 (en) * | 2011-07-05 | 2013-01-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for decomposing a stereo recording using frequency-domain processing employing a spectral subtractor |
JP5248718B1 (ja) * | 2011-12-19 | 2013-07-31 | パナソニック株式会社 | 音分離装置、および音分離方法 |
WO2013186344A2 (en) | 2012-06-14 | 2013-12-19 | Dolby International Ab | Smooth configuration switching for multichannel audio rendering based on a variable number of received channels |
JP6065452B2 (ja) | 2012-08-14 | 2017-01-25 | 富士通株式会社 | データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム |
US9241142B2 (en) * | 2013-01-24 | 2016-01-19 | Analog Devices Global | Descriptor-based stream processor for image processing and method associated therewith |
KR101798126B1 (ko) * | 2013-01-29 | 2017-11-16 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 주파수 향상 오디오 신호를 생성하는 디코더, 디코딩 방법, 인코딩된 신호를 생성하는 인코더, 및 컴팩트 선택 사이드 정보를 이용한 인코딩 방법 |
JP6146069B2 (ja) * | 2013-03-18 | 2017-06-14 | 富士通株式会社 | データ埋め込み装置及び方法、データ抽出装置及び方法、並びにプログラム |
TWI546799B (zh) | 2013-04-05 | 2016-08-21 | 杜比國際公司 | 音頻編碼器及解碼器 |
CA2990261C (en) * | 2013-05-24 | 2020-06-16 | Dolby International Ab | Audio encoder and decoder |
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 |
EP2830055A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Context-based entropy coding of sample values of a spectral envelope |
EP2830061A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping |
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 |
WO2015031505A1 (en) * | 2013-08-28 | 2015-03-05 | Dolby Laboratories Licensing Corporation | Hybrid waveform-coded and parametric-coded speech enhancement |
TWI671734B (zh) | 2013-09-12 | 2019-09-11 | 瑞典商杜比國際公司 | 在包含三個音訊聲道的多聲道音訊系統中之解碼方法、編碼方法、解碼裝置及編碼裝置、包含用於執行解碼方法及編碼方法的指令之非暫態電腦可讀取的媒體之電腦程式產品、包含解碼裝置及編碼裝置的音訊系統 |
CN117037811A (zh) | 2013-09-12 | 2023-11-10 | 杜比国际公司 | 多声道音频内容的编码 |
RU2665281C2 (ru) | 2013-09-12 | 2018-08-28 | Долби Интернэшнл Аб | Временное согласование данных обработки на основе квадратурного зеркального фильтра |
WO2015069177A1 (en) * | 2013-11-07 | 2015-05-14 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and devices for vector segmentation for coding |
EP2916319A1 (en) * | 2014-03-07 | 2015-09-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Concept for encoding of information |
CN110992964B (zh) * | 2014-07-01 | 2023-10-13 | 韩国电子通信研究院 | 处理多信道音频信号的方法和装置 |
EP2980795A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
EP2980801A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method for estimating noise in an audio signal, noise estimator, audio encoder, audio decoder, and system for transmitting audio signals |
EP2980794A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
US20160098245A1 (en) * | 2014-09-05 | 2016-04-07 | Brian Penny | Systems and methods for enhancing telecommunications security |
EP3067889A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Method and apparatus for signal-adaptive transform kernel switching in audio coding |
TWI771266B (zh) | 2015-03-13 | 2022-07-11 | 瑞典商杜比國際公司 | 解碼具有增強頻譜帶複製元資料在至少一填充元素中的音訊位元流 |
WO2017109865A1 (ja) * | 2015-12-22 | 2017-06-29 | 三菱電機株式会社 | データ圧縮装置、データ伸長装置、データ圧縮プログラム、データ伸長プログラム、データ圧縮方法及びデータ伸長方法 |
CN105719660B (zh) * | 2016-01-21 | 2019-08-20 | 宁波大学 | 一种基于量化特性的语音篡改定位检测方法 |
BR112017025314A2 (pt) * | 2016-01-22 | 2018-07-31 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. | aparelho e método para codificação ou decodificação de um sinal multicanal utilizando reamostragem de domínio espectral |
DE102016104665A1 (de) * | 2016-03-14 | 2017-09-14 | Ask Industries Gmbh | Verfahren und Vorrichtung zur Aufbereitung eines verlustbehaftet komprimierten Audiosignals |
RU2628198C1 (ru) * | 2016-05-23 | 2017-08-15 | Самсунг Электроникс Ко., Лтд. | Способ межканального предсказания и межканальной реконструкции для многоканального видео, снятого устройствами с различными углами зрения |
CA3042580C (en) * | 2016-11-08 | 2022-05-03 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for downmixing or upmixing a multichannel signal using phase compensation |
PL3539127T3 (pl) * | 2016-11-08 | 2021-04-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Moduł downmixu i sposób downmixu co najmniej dwóch kanałów oraz koder wielokanałowy i dekoder wielokanałowy |
JP2018107580A (ja) * | 2016-12-26 | 2018-07-05 | 富士通株式会社 | 動画像符号化装置、動画像符号化方法、動画像符号化用コンピュータプログラム、動画像復号装置及び動画像復号方法ならびに動画像復号用コンピュータプログラム |
WO2019191611A1 (en) * | 2018-03-29 | 2019-10-03 | Dts, Inc. | Center protection dynamic range control |
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 |
CN113302692A (zh) * | 2018-10-26 | 2021-08-24 | 弗劳恩霍夫应用研究促进协会 | 基于方向响度图的音频处理 |
WO2020146868A1 (en) * | 2019-01-13 | 2020-07-16 | Huawei Technologies Co., Ltd. | High resolution audio coding |
US20220400351A1 (en) * | 2020-12-15 | 2022-12-15 | Syng, Inc. | Systems and Methods for Audio Upmixing |
Family Cites Families (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8913758D0 (en) * | 1989-06-15 | 1989-08-02 | British Telecomm | Polyphonic coding |
US5285498A (en) * | 1992-03-02 | 1994-02-08 | At&T Bell Laboratories | Method and apparatus for coding audio signals based on perceptual model |
BE1007617A3 (nl) * | 1993-10-11 | 1995-08-22 | Philips Electronics Nv | Transmissiesysteem met gebruik van verschillende codeerprincipes. |
US5684920A (en) * | 1994-03-17 | 1997-11-04 | Nippon Telegraph And Telephone | Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein |
JP3594409B2 (ja) * | 1995-06-30 | 2004-12-02 | 三洋電機株式会社 | Mpegオーディオ再生装置およびmpeg再生装置 |
US5754733A (en) | 1995-08-01 | 1998-05-19 | Qualcomm Incorporated | Method and apparatus for generating and encoding line spectral square roots |
TW321810B (es) * | 1995-10-26 | 1997-12-01 | Sony Co Ltd | |
US6012025A (en) * | 1998-01-28 | 2000-01-04 | Nokia Mobile Phones Limited | Audio coding method and apparatus using backward adaptive prediction |
US6353808B1 (en) | 1998-10-22 | 2002-03-05 | Sony Corporation | Apparatus and method for encoding a signal as well as apparatus and method for decoding a signal |
US6539357B1 (en) * | 1999-04-29 | 2003-03-25 | Agere Systems Inc. | Technique for parametric coding of a signal containing information |
KR100367000B1 (ko) * | 1999-06-29 | 2003-01-06 | 한국전자통신연구원 | 멀티미디어 처리용 가속 기능 및 입출력 기능을 갖는 피씨용 멀티채널 오디오/음성 및 데이터 코덱장치 |
US20020040299A1 (en) | 2000-07-31 | 2002-04-04 | Kenichi Makino | Apparatus and method for performing orthogonal transform, apparatus and method for performing inverse orthogonal transform, apparatus and method for performing transform encoding, and apparatus and method for encoding data |
KR100378796B1 (ko) * | 2001-04-03 | 2003-04-03 | 엘지전자 주식회사 | 디지탈 오디오 부호화기 및 복호화 방법 |
US6658383B2 (en) * | 2001-06-26 | 2003-12-02 | Microsoft Corporation | Method for coding speech and music signals |
AU2003209957A1 (en) * | 2002-04-10 | 2003-10-20 | Koninklijke Philips Electronics N.V. | Coding of stereo signals |
DE10234130B3 (de) * | 2002-07-26 | 2004-02-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen einer komplexen Spektraldarstellung eines zeitdiskreten Signals |
JP4191503B2 (ja) * | 2003-02-13 | 2008-12-03 | 日本電信電話株式会社 | 音声楽音信号符号化方法、復号化方法、符号化装置、復号化装置、符号化プログラム、および復号化プログラム |
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 |
US6980933B2 (en) | 2004-01-27 | 2005-12-27 | Dolby Laboratories Licensing Corporation | Coding techniques using estimated spectral magnitude and phase derived from MDCT coefficients |
JP2007520748A (ja) * | 2004-01-28 | 2007-07-26 | 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 | 複素値データを用いたオーディオ信号の復号 |
DE102004009954B4 (de) * | 2004-03-01 | 2005-12-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verarbeiten eines Multikanalsignals |
EP1780705B1 (en) * | 2004-08-19 | 2011-01-12 | Nippon Telegraph And Telephone Corporation | Multichannel signal decoding method, device, program, and its recording medium |
JP4809370B2 (ja) * | 2005-02-23 | 2011-11-09 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | マルチチャネル音声符号化における適応ビット割り当て |
WO2006104017A1 (ja) * | 2005-03-25 | 2006-10-05 | Matsushita Electric Industrial Co., Ltd. | 音声符号化装置および音声符号化方法 |
US7983922B2 (en) * | 2005-04-15 | 2011-07-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for generating multi-channel synthesizer control signal and apparatus and method for multi-channel synthesizing |
US8457319B2 (en) * | 2005-08-31 | 2013-06-04 | Panasonic Corporation | Stereo encoding device, stereo decoding device, and stereo encoding method |
JP5536335B2 (ja) * | 2005-10-20 | 2014-07-02 | エルジー エレクトロニクス インコーポレイティド | マルチチャンネルオーディオ信号の符号化及び復号化方法とその装置 |
US20080004883A1 (en) * | 2006-06-30 | 2008-01-03 | Nokia Corporation | Scalable audio coding |
DE102006047197B3 (de) | 2006-07-31 | 2008-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verarbeiten eines reellen Subband-Signals zur Reduktion von Aliasing-Effekten |
CN101578658B (zh) * | 2007-01-10 | 2012-06-20 | 皇家飞利浦电子股份有限公司 | 音频译码器 |
CN101067931B (zh) * | 2007-05-10 | 2011-04-20 | 芯晟(北京)科技有限公司 | 一种高效可配置的频域参数立体声及多声道编解码方法与*** |
CN102016983B (zh) * | 2008-03-04 | 2013-08-14 | 弗劳恩霍夫应用研究促进协会 | 用于对多个输入数据流进行混合的设备 |
CN102037507B (zh) * | 2008-05-23 | 2013-02-06 | 皇家飞利浦电子股份有限公司 | 参数立体声上混合设备、参数立体声译码器、参数立体声下混合设备、参数立体声编码器 |
JP5383676B2 (ja) * | 2008-05-30 | 2014-01-08 | パナソニック株式会社 | 符号化装置、復号装置およびこれらの方法 |
KR101428487B1 (ko) * | 2008-07-11 | 2014-08-08 | 삼성전자주식회사 | 멀티 채널 부호화 및 복호화 방법 및 장치 |
WO2010042024A1 (en) * | 2008-10-10 | 2010-04-15 | Telefonaktiebolaget Lm Ericsson (Publ) | Energy conservative multi-channel audio coding |
KR101649376B1 (ko) * | 2008-10-13 | 2016-08-31 | 한국전자통신연구원 | Mdct 기반 음성/오디오 통합 부호화기의 lpc 잔차신호 부호화/복호화 장치 |
US8504378B2 (en) * | 2009-01-22 | 2013-08-06 | Panasonic Corporation | Stereo acoustic signal encoding apparatus, stereo acoustic signal decoding apparatus, and methods for the same |
JP4932917B2 (ja) * | 2009-04-03 | 2012-05-16 | 株式会社エヌ・ティ・ティ・ドコモ | 音声復号装置、音声復号方法、及び音声復号プログラム |
DK2556502T3 (en) * | 2010-04-09 | 2019-03-04 | Dolby Int Ab | MDCT-BASED COMPLEX PREVIEW Stereo Decoding |
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 |
-
2011
- 2011-02-17 MY MYPI2012004490A patent/MY194835A/en unknown
- 2011-02-17 ES ES20199069T patent/ES2953084T3/es active Active
- 2011-02-17 SG SG2012075206A patent/SG184537A1/en unknown
- 2011-02-17 ES ES20199084T patent/ES2958392T3/es active Active
- 2011-02-17 EP EP11705853.7A patent/EP2559027B1/en active Active
- 2011-02-17 KR KR1020127029556A patent/KR101430118B1/ko active IP Right Review Request
- 2011-02-17 PL PL20199067.8T patent/PL3779981T3/pl unknown
- 2011-02-17 PL PL20199082.7T patent/PL3779975T3/pl unknown
- 2011-02-17 BR BR112012026324-2A patent/BR112012026324B1/pt active IP Right Grant
- 2011-02-17 AU AU2011240239A patent/AU2011240239B2/en active Active
- 2011-02-17 CA CA2796292A patent/CA2796292C/en active Active
- 2011-02-17 EP EP20199082.7A patent/EP3779975B1/en active Active
- 2011-02-17 BR BR122020024855-6A patent/BR122020024855B1/pt active IP Right Grant
- 2011-02-17 EP EP24167075.1A patent/EP4404560A2/en active Pending
- 2011-02-17 EP EP20199067.8A patent/EP3779981B1/en active Active
- 2011-02-17 EP EP20199079.3A patent/EP3779978B1/en active Active
- 2011-02-17 ES ES20199079T patent/ES2914474T3/es active Active
- 2011-02-17 RU RU2012148131/08A patent/RU2541864C2/ru active
- 2011-02-17 PT PT201990793T patent/PT3779978T/pt unknown
- 2011-02-17 EP EP24167074.4A patent/EP4404559A2/en active Pending
- 2011-02-17 ES ES20199067T patent/ES2950751T3/es active Active
- 2011-02-17 EP EP24167076.9A patent/EP4404561A2/en active Pending
- 2011-02-17 PL PL20199084.3T patent/PL3779979T3/pl unknown
- 2011-02-17 JP JP2013504181A patent/JP5820464B2/ja active Active
- 2011-02-17 WO PCT/EP2011/052354 patent/WO2011128138A1/en active Application Filing
- 2011-02-17 PL PL11705853.7T patent/PL2559027T3/pl unknown
- 2011-02-17 EP EP20199084.3A patent/EP3779979B1/en active Active
- 2011-02-17 EP EP23187327.4A patent/EP4254951A3/en active Pending
- 2011-02-17 PT PT117058537T patent/PT2559027T/pt unknown
- 2011-02-17 ES ES11705853T patent/ES2911893T3/es active Active
- 2011-02-17 PL PL20199069.4T patent/PL3779977T3/pl unknown
- 2011-02-17 EP EP20199069.4A patent/EP3779977B1/en active Active
- 2011-02-17 CN CN201180028339.7A patent/CN103052983B/zh active Active
- 2011-02-17 PL PL20199079.3T patent/PL3779978T3/pl unknown
- 2011-02-17 ES ES20199082T patent/ES2953085T3/es active Active
- 2011-02-17 MX MX2012011801A patent/MX2012011801A/es active IP Right Grant
- 2011-03-31 AR ARP110101086A patent/AR080866A1/es active IP Right Grant
- 2011-04-06 TW TW100111806A patent/TWI466106B/zh active
-
2012
- 2012-10-05 US US13/645,707 patent/US9398294B2/en not_active Ceased
-
2013
- 2013-09-27 HK HK13111035.9A patent/HK1183740A1/zh unknown
-
2020
- 2020-11-17 US US16/950,738 patent/USRE49469E1/en active Active
- 2020-11-17 US US16/950,757 patent/USRE49717E1/en active Active
- 2020-11-17 US US16/950,754 patent/USRE49549E1/en active Active
- 2020-11-17 US US16/950,679 patent/USRE49511E1/en active Active
- 2020-11-17 US US16/950,696 patent/USRE49453E1/en active Active
- 2020-11-17 US US16/950,718 patent/USRE49464E1/en active Active
- 2020-11-17 US US16/950,658 patent/USRE49492E1/en active Active
-
2023
- 2023-04-25 US US18/139,278 patent/US20230319301A1/en active Pending
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
MY194835A (en) | Audio or Video Encoder, Audio or Video Decoder and Related Methods for Processing Multi-Channel Audio of Video Signals Using a Variable Prediction Direction | |
MY160467A (en) | Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction | |
EP2830051A3 (en) | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals | |
MX346358B (es) | Ajuste de nivel en el dominio del tiempo para descodificacion o codificacion de señales de audio. | |
WO2011013982A3 (en) | A method and an apparatus for processing an audio signal | |
MX2016000908A (es) | Aparato y metodo para la codificacion de metadatos de objetos con bajo retardo. | |
MY184661A (en) | Mdct-based complex prediction stereo coding | |
MX351577B (es) | Aparato y método para realizar un desvanecimiento de un espectro mdct a ruido blanco antes de aplicar fdns. | |
MY152252A (en) | Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme | |
MX2008013078A (es) | Metodos y aparatos para codificar y descodificar señales de audio basadas en objeto. | |
CA2645911A1 (en) | Method for encoding and decoding object-based audio signal and apparatus thereof | |
PH12018500648A1 (en) | Audio encoding and decoding using presentation transform parameters | |
MY188581A (en) | Headtracking for parametric binaural output system and method | |
EP2110808A4 (en) | CODING METHOD, CODIER AND COMPUTER READABLE MEDIUM | |
MY177645A (en) | Video encoding method for encoding hierarchical-structure symbols and a device thereof, and video decoding method for decoding hierarchical-structure symbols and a device thereof | |
MX2019014295A (es) | Prediccion basada en modelo en un banco de filtros de muestreo critico. | |
EP2478520A4 (en) | METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNAL | |
UA113117C2 (xx) | Звукові кодувальний пристрій і декодувальний пристрій | |
WO2011133720A3 (en) | Auto-adaptive event detection network: video encoding and decoding details | |
TR201900906T4 (tr) | Karmaşık öngörü ve açık kestirim sinyalleme kullanarak çok kanallı ses kodlama. | |
TH125892B (th) | ตัวเข้ารหัสสัญญาณเสียงหรือสัญญาณภาพ ตัวถอดรหัสสัญญาณเสียงหรือสัญญาณภาพ และวิธีการที่เกี่ยวข้องสำหรับการประมวลผลสัญญาณเสียง หรือสัญญาณภาพแบบหลายช่องสัญญาณโดยการใช้การจัดควบคุมการคาดคะเนที่แปรผันได้ | |
TH126683B (th) | ตัวเข้ารหัสเสียง ตัวถอดรหัสเสียง และวิธีการที่เกี่ยวข้องสำหรับประมวลผลสัญญาณ เสียงแบบหลายช่องสัญญาณโดยการใช้การทำนายจำนวนเชิงซ้อน | |
GB201110740D0 (en) | Audio signal processing systems | |
TH126683A (th) | ตัวเข้ารหัสเสียง ตัวถอดรหัสเสียง และวิธีการที่เกี่ยวข้องสำหรับประมวลผลสัญญาณเสียงแบบหลายช่องสัญญาณโดยการใช้การทำนายจำนวนเชิงซ้อน | |
TH171428A (th) | ตัวเข้ารหัสสัญญาณเสียง ตัวถอดรหัสสัญญาณเสียง วิธีการและโปรแกรมคอมพิวเตอร์ซึ่งใช้สัญญาณตกค้างที่ได้รับ การเข้ารหัสอย่างร่วมกัน |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant or registration |