AR096576A1 - Aparato y método para generar una señal codificada o para decodificar una señal de audio codificada utilizando una porción de superposiciones múltiples - Google Patents
Aparato y método para generar una señal codificada o para decodificar una señal de audio codificada utilizando una porción de superposiciones múltiplesInfo
- Publication number
- AR096576A1 AR096576A1 ARP140100545A ARP140100545A AR096576A1 AR 096576 A1 AR096576 A1 AR 096576A1 AR P140100545 A ARP140100545 A AR P140100545A AR P140100545 A ARP140100545 A AR P140100545A AR 096576 A1 AR096576 A1 AR 096576A1
- Authority
- AR
- Argentina
- Prior art keywords
- window
- block
- samples
- frame
- overlap
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 230000005236 sound signal Effects 0.000 title abstract 3
- 230000003595 spectral effect Effects 0.000 abstract 5
- 238000001228 spectrum Methods 0.000 abstract 1
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
- G10L19/02—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
- G10L19/0212—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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]
-
- 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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
-
- 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
- H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
- H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
- H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
-
- 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
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
Un aparato para generar una señal de audio codificada comprende: un controlador de secuencias de ventanas (808) para generar una información de secuencias de ventanas (809) para el proceso de ventana de una señal de audio o de una señal de imagen, indicando la información de secuencias de ventanas una primera ventana (1500) para generar un primer cuadro de valores espectrales, una segunda función de ventana (1502) y por lo menos una tercera función de ventana (1503) para generar un segundo cuadro de valores espectrales, en donde la primera función de ventana (1500), la segunda función de ventana (1502) y la una o más terceras funciones de ventana se superponen dentro de una región de superposiciones múltiples (1300); un pre procesador (802) para el proceso de ventana (902) de un segundo bloque de muestras que se corresponde a la segunda función de ventana y a la una o más terceras funciones de ventana para lo cual se utiliza una función auxiliar de ventana (1100) para obtener un segundo bloque de muestras en ventana, y para preprocesar (904) el segundo bloque de muestras en ventana para lo cual se utiliza una operación de plegado hacia dentro de una porción del segundo bloque que se solapa a un primer bloque en la porción de solape múltiple (1300) para obtener un segundo bloque preprocesado de muestras en ventana que tiene una porción de solape múltiple modificada; un convertidor de espectros (804) para aplicar una transformada introductora de solapamiento (906) al primer bloque de muestras para lo cual se utiliza la primera función de ventana para obtener el primer cuadro de valores espectrales, para aplicar la transformada introductora de solapamiento a una primera porción del segundo bloque, preprocesado, de muestras en ventana para lo cual se utiliza la segunda función de ventana para obtener una primera porción de muestras espectrales del segundo cuadro y para aplicar la transformada introductora de solapamiento a una segunda porción del segundo bloque, preprocesado, de muestras en ventana para lo cual se utiliza la una o más terceras funciones de ventana (1503) para obtener una segunda porción de muestras espectrales del segundo cuadro; y un procesador (806) para procesar el primer cuadro y el segundo cuadro para obtener cuadros codificados de señal de audio o de imagen.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361767115P | 2013-02-20 | 2013-02-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
AR096576A1 true AR096576A1 (es) | 2016-01-20 |
Family
ID=50179586
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP140100545A AR096576A1 (es) | 2013-02-20 | 2014-02-20 | Aparato y método para generar una señal codificada o para decodificar una señal de audio codificada utilizando una porción de superposiciones múltiples |
ARP140100544A AR094845A1 (es) | 2013-02-20 | 2014-02-20 | Aparato y método para codificar o decodificar una señal de audio utilizando una superposición dependiente de la ubicación de un transitorio |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP140100544A AR094845A1 (es) | 2013-02-20 | 2014-02-20 | Aparato y método para codificar o decodificar una señal de audio utilizando una superposición dependiente de la ubicación de un transitorio |
Country Status (20)
Country | Link |
---|---|
US (7) | US9947329B2 (es) |
EP (4) | EP4375996A3 (es) |
JP (2) | JP6175148B2 (es) |
KR (2) | KR101764725B1 (es) |
CN (5) | CN110232929B (es) |
AR (2) | AR096576A1 (es) |
AU (2) | AU2014220722B2 (es) |
BR (2) | BR112015019543B1 (es) |
CA (2) | CA2901186C (es) |
ES (2) | ES2736309T3 (es) |
HK (2) | HK1218988A1 (es) |
MX (2) | MX348506B (es) |
MY (2) | MY185210A (es) |
PL (2) | PL2959481T3 (es) |
PT (2) | PT2959482T (es) |
RU (2) | RU2625560C2 (es) |
SG (2) | SG11201506542QA (es) |
TR (1) | TR201910956T4 (es) |
TW (2) | TWI550600B (es) |
WO (2) | WO2014128197A1 (es) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2830058A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Frequency-domain audio coding supporting transform length switching |
EP2980791A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Processor, method and computer program for processing an audio signal using truncated analysis or synthesis window overlap portions |
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 |
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 |
FR3024581A1 (fr) * | 2014-07-29 | 2016-02-05 | Orange | Determination d'un budget de codage d'une trame de transition lpd/fd |
EP3107096A1 (en) | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downscaled decoding |
WO2017050398A1 (en) * | 2015-09-25 | 2017-03-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Encoder, decoder and methods for signal-adaptive switching of the overlap ratio in audio transform coding |
EP3182411A1 (en) | 2015-12-14 | 2017-06-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for processing an encoded audio signal |
ES2727462T3 (es) * | 2016-01-22 | 2019-10-16 | Fraunhofer Ges Forschung | Aparatos y procedimientos para la codificación o decodificación de una señal multicanal de audio mediante el uso de repetición de muestreo de dominio espectral |
JP6976277B2 (ja) * | 2016-06-22 | 2021-12-08 | ドルビー・インターナショナル・アーベー | 第一の周波数領域から第二の周波数領域にデジタル・オーディオ信号を変換するためのオーディオ・デコーダおよび方法 |
US10210874B2 (en) * | 2017-02-03 | 2019-02-19 | Qualcomm Incorporated | Multi channel coding |
EP3382701A1 (en) | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for post-processing an audio signal using prediction based shaping |
EP3382700A1 (en) * | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for post-processing an audio signal using a transient location detection |
KR102615903B1 (ko) * | 2017-04-28 | 2023-12-19 | 디티에스, 인코포레이티드 | 오디오 코더 윈도우 및 변환 구현들 |
WO2019068915A1 (en) * | 2017-10-06 | 2019-04-11 | Sony Europe Limited | AUDIO FILE ENVELOPE BASED ON RMS POWER IN SUB-WINDOW SEQUENCES |
EP3483879A1 (en) * | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Analysis/synthesis windowing function for modulated lapped transformation |
TWI681384B (zh) * | 2018-08-01 | 2020-01-01 | 瑞昱半導體股份有限公司 | 音訊處理方法與音訊等化器 |
WO2020094263A1 (en) | 2018-11-05 | 2020-05-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and audio signal processor, for providing a processed audio signal representation, audio decoder, audio encoder, methods and computer programs |
CN113365057B (zh) * | 2019-03-09 | 2023-02-28 | 杭州海康威视数字技术股份有限公司 | 进行编码和解码的方法、解码端、编码端和*** |
WO2021027774A1 (en) | 2019-08-10 | 2021-02-18 | Beijing Bytedance Network Technology Co., Ltd. | Subpicture dependent signaling in video bitstreams |
CN114631317B (zh) | 2019-10-18 | 2024-03-15 | 北京字节跳动网络技术有限公司 | 子图片的参数集信令中的语法约束 |
CN112803959B (zh) * | 2019-11-13 | 2022-05-10 | 瑞昱半导体股份有限公司 | 收发电路与应用于收发电路的信号处理方法 |
US11942078B2 (en) | 2021-02-26 | 2024-03-26 | International Business Machines Corporation | Chunking and overlap decoding strategy for streaming RNN transducers for speech recognition |
Family Cites Families (73)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4920426A (en) * | 1986-11-10 | 1990-04-24 | Kokusai Denshin Denwa Co., Ltd. | Image coding system coding digital image signals by forming a histogram of a coefficient signal sequence to estimate an amount of information |
DE3902948A1 (de) | 1989-02-01 | 1990-08-09 | Telefunken Fernseh & Rundfunk | Verfahren zur uebertragung eines signals |
AU7041791A (en) * | 1989-10-06 | 1991-04-28 | Telefunken Fernseh Und Rundfunk Gmbh | Process for transmitting a signal |
US5502789A (en) | 1990-03-07 | 1996-03-26 | Sony Corporation | Apparatus for encoding digital data with reduction of perceptible noise |
CN1062963C (zh) * | 1990-04-12 | 2001-03-07 | 多尔拜实验特许公司 | 用于产生高质量声音信号的解码器和编码器 |
JP3186307B2 (ja) | 1993-03-09 | 2001-07-11 | ソニー株式会社 | 圧縮データ記録装置及び方法 |
US5701389A (en) * | 1995-01-31 | 1997-12-23 | Lucent Technologies, Inc. | Window switching based on interblock and intrablock frequency band energy |
KR0154387B1 (ko) | 1995-04-01 | 1998-11-16 | 김주용 | 음성다중 시스템을 적용한 디지탈 오디오 부호화기 |
JP3552811B2 (ja) * | 1995-09-29 | 2004-08-11 | 三菱電機株式会社 | ディジタル映像信号符号化装置および復号化装置 |
US5848391A (en) * | 1996-07-11 | 1998-12-08 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Method subband of coding and decoding audio signals using variable length windows |
US6131084A (en) | 1997-03-14 | 2000-10-10 | Digital Voice Systems, Inc. | Dual subframe quantization of spectral magnitudes |
DE19736669C1 (de) | 1997-08-22 | 1998-10-22 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Erfassen eines Anschlags in einem zeitdiskreten Audiosignal sowie Vorrichtung und Verfahren zum Codieren eines Audiosignals |
JP2000000247A (ja) | 1998-06-15 | 2000-01-07 | Yoshihiro Adachi | ウルトラ ラグ スクリュー |
US6173255B1 (en) | 1998-08-18 | 2001-01-09 | Lockheed Martin Corporation | Synchronized overlap add voice processing using windows and one bit correlators |
DE10000934C1 (de) * | 2000-01-12 | 2001-09-27 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Bestimmen eines Codierungs-Blockrasters eines decodierten Signals |
JP2002118517A (ja) * | 2000-07-31 | 2002-04-19 | Sony Corp | 直交変換装置及び方法、逆直交変換装置及び方法、変換符号化装置及び方法、並びに復号装置及び方法 |
JP4596197B2 (ja) | 2000-08-02 | 2010-12-08 | ソニー株式会社 | ディジタル信号処理方法、学習方法及びそれらの装置並びにプログラム格納媒体 |
JP2004506947A (ja) * | 2000-08-16 | 2004-03-04 | ドルビー・ラボラトリーズ・ライセンシング・コーポレーション | 補足情報に応答するオーディオ又はビデオ知覚符号化システムのパラメータ変調 |
FR2822980B1 (fr) * | 2001-03-29 | 2003-07-04 | Ela Medical Sa | Procede de traitement de donnees d'electogrammes d'un dispositif medical implantable actif pour l'aide au diagnostic par un praticien |
MXPA03010237A (es) * | 2001-05-10 | 2004-03-16 | Dolby Lab Licensing Corp | Mejoramiento del funcionamiento de transitorios en sistemas de codificacion de audio de baja tasa de transferencia de bitios mediante la reduccion del pre-ruido. |
US7460993B2 (en) | 2001-12-14 | 2008-12-02 | Microsoft Corporation | Adaptive window-size selection in transform coding |
EP1394772A1 (en) | 2002-08-28 | 2004-03-03 | Deutsche Thomson-Brandt Gmbh | Signaling of window switchings in a MPEG layer 3 audio data stream |
US7876966B2 (en) | 2003-03-11 | 2011-01-25 | Spyder Navigations L.L.C. | Switching between coding schemes |
US7325023B2 (en) * | 2003-09-29 | 2008-01-29 | Sony Corporation | Method of making a window type decision based on MDCT data in audio encoding |
DE10345996A1 (de) | 2003-10-02 | 2005-04-28 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Verarbeiten von wenigstens zwei Eingangswerten |
EP1711938A1 (en) * | 2004-01-28 | 2006-10-18 | Koninklijke Philips Electronics N.V. | Audio signal decoding using complex-valued data |
WO2005091275A1 (en) * | 2004-03-17 | 2005-09-29 | Koninklijke Philips Electronics N.V. | Audio coding |
US8744862B2 (en) * | 2006-08-18 | 2014-06-03 | Digital Rise Technology Co., Ltd. | Window selection based on transient detection and location to provide variable time resolution in processing frame-based data |
US7630902B2 (en) * | 2004-09-17 | 2009-12-08 | Digital Rise Technology Co., Ltd. | Apparatus and methods for digital audio coding using codebook application ranges |
US7937271B2 (en) * | 2004-09-17 | 2011-05-03 | Digital Rise Technology Co., Ltd. | Audio decoding using variable-length codebook application ranges |
EP1793372B1 (en) * | 2004-10-26 | 2011-12-14 | Panasonic Corporation | Speech encoding apparatus and speech encoding method |
KR100668319B1 (ko) | 2004-12-07 | 2007-01-12 | 삼성전자주식회사 | 오디오 신호의 변환방법 및 장치와 오디오 신호에적응적인 부호화방법 및 장치, 오디오 신호의 역변환 방법및 장치와 오디오 신호에 적응적인 복호화 방법 및 장치 |
US7386445B2 (en) | 2005-01-18 | 2008-06-10 | Nokia Corporation | Compensation of transient effects in transform coding |
CN101124740B (zh) * | 2005-02-23 | 2012-05-30 | 艾利森电话股份有限公司 | 多声道音频信号编码和解码的方法和装置和音频传送*** |
RU2409874C9 (ru) * | 2005-11-04 | 2011-05-20 | Нокиа Корпорейшн | Сжатие звуковых сигналов |
JP2007304258A (ja) * | 2006-05-10 | 2007-11-22 | Matsushita Electric Ind Co Ltd | オーディオ信号符号化およびその復号化装置、方法ならびにプログラム |
US7987089B2 (en) * | 2006-07-31 | 2011-07-26 | Qualcomm Incorporated | Systems and methods for modifying a zero pad region of a windowed frame of an audio signal |
DE102006051673A1 (de) | 2006-11-02 | 2008-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Nachbearbeiten von Spektralwerten und Encodierer und Decodierer für Audiosignale |
GB2443832B (en) | 2006-11-14 | 2010-08-18 | Schlumberger Holdings | Method and system of deploying one or more optical fiber waveguides in conjunction with a pipeline |
JP2008129250A (ja) * | 2006-11-20 | 2008-06-05 | National Chiao Tung Univ | Aacのためのウィンドウ切り替え方法およびm/s符号化の帯域決定方法 |
KR20080053739A (ko) | 2006-12-11 | 2008-06-16 | 삼성전자주식회사 | 적응적으로 윈도우 크기를 적용하는 부호화 장치 및 방법 |
CN101589623B (zh) | 2006-12-12 | 2013-03-13 | 弗劳恩霍夫应用研究促进协会 | 对表示时域数据流的数据段进行编码和解码的编码器、解码器以及方法 |
FR2911228A1 (fr) | 2007-01-05 | 2008-07-11 | France Telecom | Codage par transformee, utilisant des fenetres de ponderation et a faible retard. |
FR2911227A1 (fr) * | 2007-01-05 | 2008-07-11 | France Telecom | Codage par transformee, utilisant des fenetres de ponderation et a faible retard |
RU2459283C2 (ru) * | 2007-03-02 | 2012-08-20 | Панасоник Корпорэйшн | Кодирующее устройство, декодирующее устройство и способ |
EP2015293A1 (en) | 2007-06-14 | 2009-01-14 | Deutsche Thomson OHG | Method and apparatus for encoding and decoding an audio signal using adaptively switched temporal resolution in the spectral domain |
CN101790756B (zh) * | 2007-08-27 | 2012-09-05 | 爱立信电话股份有限公司 | 瞬态检测器以及用于支持音频信号的编码的方法 |
JP5327982B2 (ja) * | 2008-03-25 | 2013-10-30 | 旭化成ケミカルズ株式会社 | エラストマー組成物及びエアバッグ装置の収納カバー |
US8447591B2 (en) | 2008-05-30 | 2013-05-21 | Microsoft Corporation | Factorization of overlapping tranforms into two block transforms |
RU2443028C2 (ru) | 2008-07-11 | 2012-02-20 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен | Устройство и способ расчета параметров расширения полосы пропускания посредством управления фреймами наклона спектра |
KR101227729B1 (ko) * | 2008-07-11 | 2013-01-29 | 프라운호퍼-게젤샤프트 추르 푀르데룽 데어 안제반텐 포르슝 에 파우 | 샘플 오디오 신호의 프레임을 인코딩하기 위한 오디오 인코더 및 디코더 |
MX2011000375A (es) * | 2008-07-11 | 2011-05-19 | Fraunhofer Ges Forschung | Codificador y decodificador de audio para codificar y decodificar tramas de una señal de audio muestreada. |
EP2144171B1 (en) * | 2008-07-11 | 2018-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder for encoding and decoding frames of a sampled audio signal |
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 |
AU2013200679B2 (en) | 2008-07-11 | 2015-03-05 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder and decoder for encoding and decoding audio samples |
KR101250309B1 (ko) * | 2008-07-11 | 2013-04-04 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 에일리어싱 스위치 기법을 이용하여 오디오 신호를 인코딩/디코딩하는 장치 및 방법 |
AU2009267507B2 (en) * | 2008-07-11 | 2012-08-02 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and discriminator for classifying different segments of a signal |
EP2311032B1 (en) | 2008-07-11 | 2016-01-06 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder for encoding and decoding audio samples |
US8380498B2 (en) | 2008-09-06 | 2013-02-19 | GH Innovation, Inc. | Temporal envelope coding of energy attack signal by using attack point location |
KR101315617B1 (ko) | 2008-11-26 | 2013-10-08 | 광운대학교 산학협력단 | 모드 스위칭에 기초하여 윈도우 시퀀스를 처리하는 통합 음성/오디오 부/복호화기 |
US9384748B2 (en) * | 2008-11-26 | 2016-07-05 | Electronics And Telecommunications Research Institute | Unified Speech/Audio Codec (USAC) processing windows sequence based mode switching |
US8457975B2 (en) * | 2009-01-28 | 2013-06-04 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio decoder, audio encoder, methods for decoding and encoding an audio signal and computer program |
MX2011007925A (es) * | 2009-01-28 | 2011-08-17 | Dten Forschung E V Fraunhofer Ges Zur Foeerderung Der Angewan | Codificador de audio, decodificador de audio, información de audio codificada, métodos para la codificación y decodificación de una señal de audio y programa de computadora. |
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 |
PL3352168T3 (pl) * | 2009-06-23 | 2021-03-08 | Voiceage Corporation | Postępowe tłumienie aliasingu w dziedzinie czasu z zastosowaniem w ważonej albo pierwotnej dziedzinie sygnału |
US8892427B2 (en) * | 2009-07-27 | 2014-11-18 | Industry-Academic Cooperation Foundation, Yonsei University | Method and an apparatus for processing an audio signal |
ES2441069T3 (es) * | 2009-10-08 | 2014-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Decodificador multimodo para señal de audio, codificador multimodo para señal de audio, procedimiento y programa de computación que usan un modelado de ruido en base a linealidad-predicción-codificación |
KR101137652B1 (ko) * | 2009-10-14 | 2012-04-23 | 광운대학교 산학협력단 | 천이 구간에 기초하여 윈도우의 오버랩 영역을 조절하는 통합 음성/오디오 부호화/복호화 장치 및 방법 |
US9093066B2 (en) * | 2010-01-13 | 2015-07-28 | Voiceage Corporation | Forward time-domain aliasing cancellation using linear-predictive filtering to cancel time reversed and zero input responses of adjacent frames |
CN102222505B (zh) | 2010-04-13 | 2012-12-19 | 中兴通讯股份有限公司 | 可分层音频编解码方法***及瞬态信号可分层编解码方法 |
EP2591470B1 (en) | 2010-07-08 | 2018-12-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Coder using forward aliasing cancellation |
US20140046670A1 (en) * | 2012-06-04 | 2014-02-13 | Samsung Electronics Co., Ltd. | Audio encoding method and apparatus, audio decoding method and apparatus, and multimedia device employing the same |
KR20140075466A (ko) * | 2012-12-11 | 2014-06-19 | 삼성전자주식회사 | 오디오 신호의 인코딩 및 디코딩 방법, 및 오디오 신호의 인코딩 및 디코딩 장치 |
-
2014
- 2014-02-20 SG SG11201506542QA patent/SG11201506542QA/en unknown
- 2014-02-20 AU AU2014220722A patent/AU2014220722B2/en active Active
- 2014-02-20 WO PCT/EP2014/053293 patent/WO2014128197A1/en active Application Filing
- 2014-02-20 MX MX2015010596A patent/MX348506B/es active IP Right Grant
- 2014-02-20 EP EP24167580.0A patent/EP4375996A3/en active Pending
- 2014-02-20 RU RU2015139597A patent/RU2625560C2/ru active
- 2014-02-20 TR TR2019/10956T patent/TR201910956T4/tr unknown
- 2014-02-20 CA CA2901186A patent/CA2901186C/en active Active
- 2014-02-20 AR ARP140100545A patent/AR096576A1/es active IP Right Grant
- 2014-02-20 TW TW103105681A patent/TWI550600B/zh active
- 2014-02-20 RU RU2015139596A patent/RU2626666C2/ru active
- 2014-02-20 BR BR112015019543-1A patent/BR112015019543B1/pt active IP Right Grant
- 2014-02-20 PT PT14706529T patent/PT2959482T/pt unknown
- 2014-02-20 PL PL14706528T patent/PL2959481T3/pl unknown
- 2014-02-20 AR ARP140100544A patent/AR094845A1/es active IP Right Grant
- 2014-02-20 BR BR112015019270-0A patent/BR112015019270B1/pt active IP Right Grant
- 2014-02-20 JP JP2015558442A patent/JP6175148B2/ja active Active
- 2014-02-20 PT PT147065288T patent/PT2959481T/pt unknown
- 2014-02-20 CN CN201910452024.3A patent/CN110232929B/zh active Active
- 2014-02-20 SG SG11201506543WA patent/SG11201506543WA/en unknown
- 2014-02-20 EP EP14706529.6A patent/EP2959482B1/en active Active
- 2014-02-20 CN CN201910368646.8A patent/CN110097889B/zh active Active
- 2014-02-20 WO PCT/EP2014/053287 patent/WO2014128194A1/en active Application Filing
- 2014-02-20 MY MYPI2015002060A patent/MY185210A/en unknown
- 2014-02-20 CA CA2900437A patent/CA2900437C/en active Active
- 2014-02-20 ES ES14706529T patent/ES2736309T3/es active Active
- 2014-02-20 TW TW103105684A patent/TWI550599B/zh active
- 2014-02-20 MX MX2015010595A patent/MX348505B/es active IP Right Grant
- 2014-02-20 AU AU2014220725A patent/AU2014220725B2/en active Active
- 2014-02-20 PL PL14706529T patent/PL2959482T3/pl unknown
- 2014-02-20 EP EP19164500.1A patent/EP3525207A1/en active Pending
- 2014-02-20 JP JP2015558443A patent/JP6196324B2/ja active Active
- 2014-02-20 KR KR1020157025744A patent/KR101764725B1/ko active IP Right Grant
- 2014-02-20 KR KR1020157025743A patent/KR101764726B1/ko active IP Right Grant
- 2014-02-20 CN CN201480009722.1A patent/CN105074819B/zh active Active
- 2014-02-20 ES ES14706528.8T patent/ES2634621T3/es active Active
- 2014-02-20 CN CN201811631280.0A patent/CN110047498B/zh active Active
- 2014-02-20 EP EP14706528.8A patent/EP2959481B1/en active Active
- 2014-02-20 CN CN201480009744.8A patent/CN105378835B/zh active Active
- 2014-02-28 MY MYPI2015002058A patent/MY173774A/en unknown
-
2015
- 2015-08-19 US US14/830,484 patent/US9947329B2/en active Active
- 2015-08-19 US US14/830,453 patent/US10354662B2/en active Active
-
2016
- 2016-06-16 HK HK16106931.1A patent/HK1218988A1/zh unknown
- 2016-06-23 HK HK16107301.1A patent/HK1219343A1/zh unknown
-
2017
- 2017-07-26 US US15/660,902 patent/US10685662B2/en active Active
-
2019
- 2019-06-21 US US16/448,260 patent/US10832694B2/en active Active
-
2020
- 2020-05-28 US US16/886,066 patent/US11621008B2/en active Active
- 2020-08-17 US US16/995,581 patent/US11682408B2/en active Active
-
2023
- 2023-02-17 US US18/111,445 patent/US20230282221A1/en active Pending
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AR096576A1 (es) | Aparato y método para generar una señal codificada o para decodificar una señal de audio codificada utilizando una porción de superposiciones múltiples | |
MX351577B (es) | Aparato y método para realizar un desvanecimiento de un espectro mdct a ruido blanco antes de aplicar fdns. | |
BR112019006580A2 (pt) | aprimoramentos no modo de codificação de supraconversão de taxa de quadros | |
MY184847A (en) | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework | |
BR112017021902A2 (pt) | aparelho e método para gerar e transmitir quadros de dados | |
CO6341672A2 (es) | Aparato y metodo para la codificacion/decodificacion de una señal de audio utilizando un esquema de conmutacion alising | |
MX2018008743A (es) | Método y sistema para el análisis de datos espectrales. | |
RU2017105507A (ru) | Устройство и способ формирования расширенного сигнала с использованием заполнения независимым шумом | |
PH12015501516A1 (en) | System and methods of performing filtering for gain determination | |
WO2014175979A3 (en) | Barcode access to electronic resources for complex system parts | |
BR112015031181A2 (pt) | aparelho e método que realizam conceitos aperfeiçoados para tcx ltp | |
CY1121917T1 (el) | Παραμετρικη μειξη ακουστικων σηματων | |
MX2017001244A (es) | Decodificador de audio, metodo y programa de computacion que utiliza una respuesta de entrada cero para obtener una transicion suave. | |
SG10201805102PA (en) | Audio coding method and related apparatus | |
BR112015020060A2 (pt) | métodos de codificação e decodificação de um bloco de imagens, dispositivos correspondentes e fluxo de dados | |
BR112015030852A2 (pt) | método e dispositivo de codificação e decodificação de sinal | |
BR112018005901A2 (pt) | ?codificador para codificação de uma pluralidade de amostras de áudio de domínio de tempo e seu método, decodificador para decodificação de uma pluralidade de amostras de áudio de domínio espectral e seu método e sistema? | |
AR094683A1 (es) | Aparato y método para sintetizar una señal de audio, decodificador, codificador, sistema y programa de computación | |
BR112018012982A8 (pt) | aprimoramento em inserção de marca d´água transparente em áudio sem perdas | |
AR107410A1 (es) | Aparato y método para codificar o decodificar una señal multicanal utilizando sincronización de control de tramas | |
TH170641A (th) | เครื่องและวิธีการสำหรับการกำเนิดสัญญาณที่ได้รับการเข้ารหัสหรือสำหรับการ ถอดรหัสสัญญาณเสียงที่ได้รับการเข้ารหัสด้วยการใช้ส่วนหลายเหลื่อมซ้อน | |
BR112018016898A2 (pt) | aparelho e método para carregamento estéreo em conversão em código multicanal e sistema | |
AR096992A1 (es) | Codificador de audio, decodificador de audio y métodos relacionados usando procesamiento de dos canales adentro de un marco rellenado inteligente de huecos | |
AR096695A1 (es) | Aparato y método para realizar un desvanecimiento de un espectro mdct a ruido blanco antes de aplicar fdns | |
TH170243A (th) | เครื่อง และวิธีการซึ่งทำให้การลดสัญญาณทีละน้อยของสเปรตรัม mdct ต่อสัญญาณรบกวนไวต์ก่อนหน้าการประยุกต์ไช้ fdns เป็นจริง |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant, registration |