AR072738A1 - Codificador y decodificador de audio para codificar y decodificar muestras de audio - Google Patents
Codificador y decodificador de audio para codificar y decodificar muestras de audioInfo
- Publication number
- AR072738A1 AR072738A1 ARP090102625A ARP090102625A AR072738A1 AR 072738 A1 AR072738 A1 AR 072738A1 AR P090102625 A ARP090102625 A AR P090102625A AR P090102625 A ARP090102625 A AR P090102625A AR 072738 A1 AR072738 A1 AR 072738A1
- Authority
- AR
- Argentina
- Prior art keywords
- encoder
- audio
- samples
- audio samples
- coding
- Prior art date
Links
- 238000012216 screening Methods 0.000 abstract 2
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
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] vocoders
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Un codificador de audio (100) para codificar muestras de audio, que comprenden un primer codificador introductor de aliasing en dominio de tiempo (110) para decodificar muestras de audio en un primer dominio de codificacion, el primer codificador Introductor de aliasing en dominio de tiempo (110) que tiene una primera regla de tramado, una ventana de inicio y una ventana de detencion. El codificador de audio (100) además comprende un segundo codificador (120) para codificar muestras en un segundo dominio de codificacion, el segundo codificador (120) que tiene un numero de muestras de audio de tamano de trama predeterminado, y un numero de muestras de audio de periodo de puesta a punto de codificacion, el segundo codificador (120) que tiene una segunda regla de tramado diferente, una trama del segundo codificador (120) que es una representacion codificada de un numero de muestras de audio posteriores en el tiempo, el numero que es igual al numero de muestras de audio de tamano de trama predeterminado. El codificador de audio (100) además comprende un controlador (130) que cambia del primer codificador (110) al segundo codificador (120) en respuesta a una característica de las muestras de audio, y para modificar la segunda regla de tramado en respuesta a cambio del primer codificador (110) al segundo codificador (120) o para modificar la ventana de inicio o la ventana de detencion del primer codificador (110), en donde la segunda regla de tramado permanece sin modificaciones.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7985608P | 2008-07-11 | 2008-07-11 | |
US10382508P | 2008-10-08 | 2008-10-08 | |
PCT/EP2009/004651 WO2010003563A1 (en) | 2008-07-11 | 2009-06-26 | Audio encoder and decoder for encoding and decoding audio samples |
Publications (1)
Publication Number | Publication Date |
---|---|
AR072738A1 true AR072738A1 (es) | 2010-09-15 |
Family
ID=40951598
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ARP090102625A AR072738A1 (es) | 2008-07-11 | 2009-07-13 | Codificador y decodificador de audio para codificar y decodificar muestras de audio |
Country Status (21)
Country | Link |
---|---|
US (1) | US8892449B2 (es) |
EP (2) | EP2311032B1 (es) |
JP (2) | JP5551695B2 (es) |
KR (1) | KR101325335B1 (es) |
CN (1) | CN102089811B (es) |
AR (1) | AR072738A1 (es) |
AU (1) | AU2009267466B2 (es) |
BR (1) | BRPI0910512B1 (es) |
CA (3) | CA2871372C (es) |
CO (1) | CO6351837A2 (es) |
EG (1) | EG26653A (es) |
ES (2) | ES2564400T3 (es) |
HK (3) | HK1155552A1 (es) |
MX (1) | MX2011000366A (es) |
MY (3) | MY181247A (es) |
PL (2) | PL3002750T3 (es) |
PT (1) | PT3002750T (es) |
RU (1) | RU2515704C2 (es) |
TW (1) | TWI459379B (es) |
WO (1) | WO2010003563A1 (es) |
ZA (1) | ZA201100089B (es) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009081003A1 (fr) * | 2007-12-21 | 2009-07-02 | France Telecom | Codage/decodage par transformee, a fenetres adaptatives |
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. |
ES2671711T3 (es) | 2008-09-18 | 2018-06-08 | Electronics And Telecommunications Research Institute | Aparato de codificación y aparato de decodificación para transformar entre codificador basado en transformada de coseno discreta modificada y hetero codificador |
WO2010044593A2 (ko) | 2008-10-13 | 2010-04-22 | 한국전자통신연구원 | Mdct 기반 음성/오디오 통합 부호화기의 lpc 잔차신호 부호화/복호화 장치 |
KR101649376B1 (ko) * | 2008-10-13 | 2016-08-31 | 한국전자통신연구원 | Mdct 기반 음성/오디오 통합 부호화기의 lpc 잔차신호 부호화/복호화 장치 |
US9384748B2 (en) * | 2008-11-26 | 2016-07-05 | Electronics And Telecommunications Research Institute | Unified Speech/Audio Codec (USAC) processing windows sequence based mode switching |
KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
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 |
KR101410312B1 (ko) | 2009-07-27 | 2014-06-27 | 연세대학교 산학협력단 | 오디오 신호 처리 방법 및 장치 |
EP2471061B1 (en) | 2009-10-08 | 2013-10-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-mode audio signal decoder, multi-mode audio signal encoder, methods and computer program using a linear-prediction-coding based noise shaping |
CN102844810B (zh) * | 2010-04-14 | 2017-05-03 | 沃伊斯亚吉公司 | 用于在码激励线性预测编码器和解码器中使用的灵活和可缩放的组合式创新代码本 |
KR101790373B1 (ko) | 2010-06-14 | 2017-10-25 | 파나소닉 주식회사 | 오디오 하이브리드 부호화 장치 및 오디오 하이브리드 복호 장치 |
WO2012004349A1 (en) * | 2010-07-08 | 2012-01-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Coder using forward aliasing cancellation |
CN102332266B (zh) * | 2010-07-13 | 2013-04-24 | 炬力集成电路设计有限公司 | 一种音频数据的编码方法及装置 |
CN103282958B (zh) | 2010-10-15 | 2016-03-30 | 华为技术有限公司 | 信号分析器、信号分析方法、信号合成器、信号合成方法、变换器和反向变换器 |
AR085361A1 (es) | 2011-02-14 | 2013-09-25 | Fraunhofer Ges Forschung | Codificacion y decodificacion de posiciones de los pulsos de las pistas de una señal de audio |
AU2012217156B2 (en) | 2011-02-14 | 2015-03-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Linear prediction based coding scheme using spectral domain noise shaping |
JP5969513B2 (ja) | 2011-02-14 | 2016-08-17 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 不活性相の間のノイズ合成を用いるオーディオコーデック |
BR112013020699B1 (pt) * | 2011-02-14 | 2021-08-17 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. | Aparelho e método para codificar e decodificar um sinal de áudio utilizando uma parte antecipada alinhada |
JP5666021B2 (ja) | 2011-02-14 | 2015-02-04 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 復号後オーディオ信号をスペクトル領域で処理する装置及び方法 |
MY166006A (en) | 2011-02-14 | 2018-05-21 | Fraunhofer Ges Forschung | Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result |
EP2661745B1 (en) | 2011-02-14 | 2015-04-08 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for error concealment in low-delay unified speech and audio coding (usac) |
MX2012013025A (es) | 2011-02-14 | 2013-01-22 | Fraunhofer Ges Forschung | Representacion de señal de informacion utilizando transformada superpuesta. |
MY159444A (en) | 2011-02-14 | 2017-01-13 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E V | Encoding and decoding of pulse positions of tracks of an audio signal |
RU2464649C1 (ru) | 2011-06-01 | 2012-10-20 | Корпорация "САМСУНГ ЭЛЕКТРОНИКС Ко., Лтд." | Способ обработки звукового сигнала |
CN103139930B (zh) | 2011-11-22 | 2015-07-08 | 华为技术有限公司 | 连接建立方法和用户设备 |
US9043201B2 (en) * | 2012-01-03 | 2015-05-26 | Google Technology Holdings LLC | Method and apparatus for processing audio frames to transition between different codecs |
CN103219009A (zh) * | 2012-01-20 | 2013-07-24 | 旭扬半导体股份有限公司 | 音频数据处理装置及其方法 |
JP2013198017A (ja) * | 2012-03-21 | 2013-09-30 | Toshiba Corp | 復号装置及び通信装置 |
WO2013168414A1 (ja) * | 2012-05-11 | 2013-11-14 | パナソニック株式会社 | 音信号ハイブリッドエンコーダ、音信号ハイブリッドデコーダ、音信号符号化方法、及び音信号復号方法 |
EP2917909B1 (en) | 2012-11-07 | 2018-10-31 | Dolby International AB | Reduced complexity converter snr calculation |
CN103915100B (zh) * | 2013-01-07 | 2019-02-15 | 中兴通讯股份有限公司 | 一种编码模式切换方法和装置、解码模式切换方法和装置 |
PL3451334T3 (pl) | 2013-01-29 | 2020-12-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Koncepcja wypełniania szumem |
WO2014130554A1 (en) | 2013-02-19 | 2014-08-28 | Huawei Technologies Co., Ltd. | Frame structure for filter bank multi-carrier (fbmc) waveforms |
JP6196324B2 (ja) | 2013-02-20 | 2017-09-13 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 過渡位置依存のオーバーラップを使用してオーディオ信号を符号化又は復号化する装置及び方法 |
TWI569262B (zh) * | 2013-06-21 | 2017-02-01 | 弗勞恩霍夫爾協會 | 用於將經編碼音訊信號解碼以獲得經重構音訊信號之裝置及方法與相關電腦程式 |
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 |
US9418671B2 (en) * | 2013-08-15 | 2016-08-16 | Huawei Technologies Co., Ltd. | Adaptive high-pass post-filter |
US20150100324A1 (en) * | 2013-10-04 | 2015-04-09 | Nvidia Corporation | Audio encoder performance for miracast |
EP2863386A1 (en) | 2013-10-18 | 2015-04-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, apparatus for generating encoded audio output data and methods permitting initializing a decoder |
KR101498113B1 (ko) * | 2013-10-23 | 2015-03-04 | 광주과학기술원 | 사운드 신호의 대역폭 확장 장치 및 방법 |
CN104751849B (zh) | 2013-12-31 | 2017-04-19 | 华为技术有限公司 | 语音频码流的解码方法及装置 |
US10911800B2 (en) | 2014-01-13 | 2021-02-02 | Lg Electronics Inc. | Apparatuses and methods for transmitting or receiving a broadcast content via one or more networks |
CN107369454B (zh) * | 2014-03-21 | 2020-10-27 | 华为技术有限公司 | 语音频码流的解码方法及装置 |
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 |
MX349256B (es) * | 2014-07-28 | 2017-07-19 | Fraunhofer Ges Forschung | Aparato y metodo para seleccionar uno de un primer algoritmo de codificacion y un segundo algoritmo de codificacion usando reduccion de armonicos. |
CN106448688B (zh) | 2014-07-28 | 2019-11-05 | 华为技术有限公司 | 音频编码方法及相关装置 |
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 |
EP2980797A1 (en) * | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, method and computer program using a zero-input-response to obtain a smooth transition |
FR3024581A1 (fr) * | 2014-07-29 | 2016-02-05 | Orange | Determination d'un budget de codage d'une trame de transition lpd/fd |
EP2988300A1 (en) * | 2014-08-18 | 2016-02-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Switching of sampling rates at audio processing devices |
KR102041140B1 (ko) | 2015-03-09 | 2019-12-05 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 프래그먼트- 정렬된 오디오 코딩 |
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 |
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 |
TWI642287B (zh) * | 2016-09-06 | 2018-11-21 | 聯發科技股份有限公司 | 無線通訊系統中有效編碼切換方法及通訊設備 |
EP3306609A1 (en) | 2016-10-04 | 2018-04-11 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatus and method for determining a pitch information |
CN114005455A (zh) * | 2017-08-10 | 2022-02-01 | 华为技术有限公司 | 时域立体声编解码方法和相关产品 |
CN109787675A (zh) * | 2018-12-06 | 2019-05-21 | 安徽站乾科技有限公司 | 一种基于卫星语音通道的数据解析方法 |
CN114007176B (zh) * | 2020-10-09 | 2023-12-19 | 上海又为智能科技有限公司 | 用于降低信号延时的音频信号处理方法、装置及存储介质 |
RU2756934C1 (ru) * | 2020-11-17 | 2021-10-07 | Ордена Трудового Красного Знамени федеральное государственное образовательное бюджетное учреждение высшего профессионального образования Московский технический университет связи и информатики (МТУСИ) | Способ и устройство измерения спектра информационных акустических сигналов с компенсацией искажений |
Family Cites Families (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
ATE302991T1 (de) | 1998-01-22 | 2005-09-15 | Deutsche Telekom Ag | Verfahren zur signalgesteuerten schaltung zwischen verschiedenen audiokodierungssystemen |
US6226608B1 (en) * | 1999-01-28 | 2001-05-01 | Dolby Laboratories Licensing Corporation | Data framing for adaptive-block-length coding system |
KR100472442B1 (ko) * | 2002-02-16 | 2005-03-08 | 삼성전자주식회사 | 웨이브렛 패킷 변환을 이용한 오디오 압축 방법 및 그시스템 |
US8090577B2 (en) * | 2002-08-08 | 2012-01-03 | Qualcomm Incorported | Bandwidth-adaptive quantization |
EP1394772A1 (en) * | 2002-08-28 | 2004-03-03 | Deutsche Thomson-Brandt Gmbh | Signaling of window switchings in a MPEG layer 3 audio data stream |
WO2004082288A1 (en) * | 2003-03-11 | 2004-09-23 | Nokia Corporation | Switching between coding schemes |
DE10345995B4 (de) * | 2003-10-02 | 2005-07-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Verarbeiten eines Signals mit einer Sequenz von diskreten Werten |
DE10345996A1 (de) * | 2003-10-02 | 2005-04-28 | Fraunhofer Ges Forschung | Vorrichtung und Verfahren zum Verarbeiten von wenigstens zwei Eingangswerten |
WO2005112003A1 (en) * | 2004-05-17 | 2005-11-24 | Nokia Corporation | Audio encoding with different coding frame lengths |
ES2291877T3 (es) * | 2004-05-17 | 2008-03-01 | Nokia Corporation | Codificacion de audio con diferentes modelos de codificacion. |
US7739120B2 (en) * | 2004-05-17 | 2010-06-15 | Nokia Corporation | Selection of coding models for encoding an audio signal |
US7596486B2 (en) * | 2004-05-19 | 2009-09-29 | Nokia Corporation | Encoding an audio signal using different audio coder modes |
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 |
US20070055510A1 (en) * | 2005-07-19 | 2007-03-08 | Johannes Hilpert | Concept for bridging the gap between parametric multi-channel audio coding and matrixed-surround multi-channel coding |
WO2007080211A1 (en) * | 2006-01-09 | 2007-07-19 | Nokia Corporation | Decoding of binaural audio signals |
KR101434198B1 (ko) * | 2006-11-17 | 2014-08-26 | 삼성전자주식회사 | 신호 복호화 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 |
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 |
JP5325292B2 (ja) * | 2008-07-11 | 2013-10-23 | フラウンホッファー−ゲゼルシャフト ツァ フェルダールング デァ アンゲヴァンテン フォアシュンク エー.ファオ | 信号の異なるセグメントを分類するための方法および識別器 |
CA2871268C (en) * | 2008-07-11 | 2015-11-03 | Nikolaus Rettelbach | Audio encoder, audio decoder, methods for encoding and decoding an audio signal, audio stream and computer program |
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 |
MX2011000369A (es) * | 2008-07-11 | 2011-07-29 | Ten Forschung Ev Fraunhofer | Codificador y decodificador de audio para codificar marcos de señales de audio muestreadas. |
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. |
ES2592416T3 (es) * | 2008-07-17 | 2016-11-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Esquema de codificación/decodificación de audio que tiene una derivación conmutable |
KR101315617B1 (ko) * | 2008-11-26 | 2013-10-08 | 광운대학교 산학협력단 | 모드 스위칭에 기초하여 윈도우 시퀀스를 처리하는 통합 음성/오디오 부/복호화기 |
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. |
EP3352168B1 (en) * | 2009-06-23 | 2020-09-16 | VoiceAge Corporation | Forward time-domain aliasing cancellation with application in weighted or original signal domain |
EP2471061B1 (en) * | 2009-10-08 | 2013-10-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-mode audio signal decoder, multi-mode audio signal encoder, methods and computer program using a linear-prediction-coding based noise shaping |
MY166169A (en) * | 2009-10-20 | 2018-06-07 | Fraunhofer Ges Forschung | Audio signal encoder,audio signal decoder,method for encoding or decoding an audio signal using an aliasing-cancellation |
ES2533098T3 (es) * | 2009-10-20 | 2015-04-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Codificador de señal de audio, decodificador de señal de audio, método para proveer una representación codificada de un contenido de audio, método para proveer una representación decodificada de un contenido de audio y programa de computación para su uso en aplicaciones de bajo retardo |
KR101339057B1 (ko) * | 2010-01-12 | 2013-12-10 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 오디오 인코더, 오디오 디코더, 오디오 정보 인코딩과 디코딩 방법, 및 이전에 디코딩된 스펙트럼 값들의 놈에 기초하여 콘텍스트 서브구역 값을 획득하는 컴퓨터 프로그램 |
-
2009
- 2009-06-26 MY MYPI2015000253A patent/MY181247A/en unknown
- 2009-06-26 AU AU2009267466A patent/AU2009267466B2/en active Active
- 2009-06-26 CA CA2871372A patent/CA2871372C/en active Active
- 2009-06-26 PL PL15193588T patent/PL3002750T3/pl unknown
- 2009-06-26 KR KR1020117003176A patent/KR101325335B1/ko active IP Right Grant
- 2009-06-26 WO PCT/EP2009/004651 patent/WO2010003563A1/en active Application Filing
- 2009-06-26 ES ES09776858.4T patent/ES2564400T3/es active Active
- 2009-06-26 CA CA2730204A patent/CA2730204C/en active Active
- 2009-06-26 CN CN2009801270965A patent/CN102089811B/zh active Active
- 2009-06-26 MY MYPI2011000041A patent/MY159110A/en unknown
- 2009-06-26 PL PL09776858T patent/PL2311032T3/pl unknown
- 2009-06-26 ES ES15193588.9T patent/ES2657393T3/es active Active
- 2009-06-26 JP JP2011516995A patent/JP5551695B2/ja active Active
- 2009-06-26 MX MX2011000366A patent/MX2011000366A/es active IP Right Grant
- 2009-06-26 EP EP09776858.4A patent/EP2311032B1/en active Active
- 2009-06-26 EP EP15193588.9A patent/EP3002750B1/en active Active
- 2009-06-26 BR BRPI0910512-3A patent/BRPI0910512B1/pt active IP Right Grant
- 2009-06-26 MY MYPI2015000252A patent/MY181231A/en unknown
- 2009-06-26 RU RU2011104003/08A patent/RU2515704C2/ru active
- 2009-06-26 PT PT151935889T patent/PT3002750T/pt unknown
- 2009-06-26 CA CA2871498A patent/CA2871498C/en active Active
- 2009-07-10 TW TW098123427A patent/TWI459379B/zh active
- 2009-07-13 AR ARP090102625A patent/AR072738A1/es active IP Right Grant
-
2011
- 2011-01-04 ZA ZA2011/00089A patent/ZA201100089B/en unknown
- 2011-01-10 EG EG2011010060A patent/EG26653A/en active
- 2011-01-11 US US13/004,400 patent/US8892449B2/en active Active
- 2011-02-11 CO CO11016281A patent/CO6351837A2/es active IP Right Grant
- 2011-09-20 HK HK11109877.6A patent/HK1155552A1/zh unknown
-
2013
- 2013-06-18 JP JP2013127397A patent/JP5551814B2/ja active Active
-
2016
- 2016-09-30 HK HK16111486.0A patent/HK1223453A1/zh unknown
- 2016-09-30 HK HK16111485.1A patent/HK1223452A1/zh unknown
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AR072738A1 (es) | Codificador y decodificador de audio para codificar y decodificar muestras de audio | |
AR075199A1 (es) | Codificador de audio decodificador de audio informacion de audio codificada metodos para la codificacion y decodificacion de una senal de audio y programa de computadora | |
HRP20131056T1 (hr) | Postupak kodiranja audio signala, postupak dekodiranja audio signala, uređaj za kodiranje, uređaj za dekodiranje, sustav za obradu audio signala, program za kodiranje audio signala, te program za dekodiranje audio signala | |
BR112017003887A2 (pt) | ?codificador, decodificador e método para codificar e decodificar conteúdo de áudio com o uso de parâmetros para aprimorar uma ocultação?. | |
EA201791496A1 (ru) | Кодирование пикселов с управляющим кодом для палитрового кодирования | |
AR079887A1 (es) | Codificador de audio, decodificador de audio, metodo para codificar e informacion de audio, metodo para decodificar una informacion de audio y programa de computacion utilizando una modificacion de una representacion de un numero de un valor de contexto numerico previo | |
EP3522379A4 (en) | QUASI-CYCLIC LDPC ENCODING AND DECODING METHOD AND APPARATUS, AND LDPC ENCODER AND ENCODER | |
NO20092506L (no) | Koder, dekoder og fremgangsmater for koding og dekoding av datasegmenter som representerer en datastrom i tidsdomene | |
WO2007138419A3 (en) | Decoding of predictively coded data using buffer adaptation | |
JP2012230419A5 (ja) | フレーム消去隠蔽を実行するための装置 | |
JP2017514349A5 (es) | ||
AR122219A2 (es) | Decodificador de audio, codificador de audio, método para codificar una señal de audio y método para decodificar una señal de audio codificada | |
MX2015015988A (es) | Codificacion de escenas de audio. | |
EP3742732A4 (en) | ENCODER, DECODER, ENCODING PROCESS, DECODING PROCESS, ENCODING PROGRAM AND DECODING PROGRAM | |
BR112018006041A2 (pt) | codificador de vídeo, decodificador de vídeo e métodos para codificação e decodificação preditiva | |
AR113482A1 (es) | Codificadores de audio, decodificadores de audio, métodos y programas de computadora que adaptan una codificación y decodificación de bits menos significativos | |
BR112018072180A2 (pt) | metódos para codificar e decodificar utilizando um código polar, codificador de informação, decodificador de informação e mémória legível por computador | |
JP2018503856A5 (es) | ||
TW200605682A (en) | Moving picture encoding apparatus, moving picture encoding method, moving picture encoding program, moving picture decoding apparatus, moving picture decoding method, and moving picture decoding program | |
SG11202109129UA (en) | Coding and decoding methods, coder and decoder,and storage medium | |
AR098125A2 (es) | Codificador y decodificador de audio para codificar y decodificar tramas de audio, método para codificar y decodificar tramas de audio y programa de computación | |
TH1601002454A (th) | ตัวถอดรหัสสัญญาณเสียงและวิธีการสำหรับการจัดให้มีสารสนเทศสัญญาณเสียง ที่ได้รับการถอดรหัสโดยการใช้การปกปิดความผิดพลาดที่ดัดแปลงสัญญาณกระตุ้นใน โดเมนเวลา | |
EP3813064A4 (en) | CODERS AND CODING METHODS, DECODERS AND DECODING METHODS AND PROGRAM | |
TH1801005315A (th) | หน่วยการปิดบังความผิดพลาดตัวถอดรหัสสัญญาณเสียงและวิธีการที่เกี่ยวข้องและโปรแกรมคอมพิวเตอร์ที่ทำให้จางลงของเฟรมสัญญาณเสียงที่ได้รับการปิดบังออกตามตัวประกอบการแดมป์ที่แตกต่างกันสำหรับแถวความถี่แตกต่างกัน | |
TH1701005109A (th) | ตัวเข้ารหัสสัญญาณเสียงสำหรับการเข้ารหัสสัญญาณแบบหลายช่องสัญญาณและตัวถอดรหัสสัญญาณเสียงสำหรับการถอดรหัสสัญญาณเสียงที่ได้รับการเข้ารหัส |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant, registration |