PL2311035T3 - Algorytm kodowania/dekodowania sygnału akustycznego z małą przepływnością i typowym przetwarzaniem wstępnym - Google Patents
Algorytm kodowania/dekodowania sygnału akustycznego z małą przepływnością i typowym przetwarzaniem wstępnymInfo
- Publication number
- PL2311035T3 PL2311035T3 PL09793882T PL09793882T PL2311035T3 PL 2311035 T3 PL2311035 T3 PL 2311035T3 PL 09793882 T PL09793882 T PL 09793882T PL 09793882 T PL09793882 T PL 09793882T PL 2311035 T3 PL2311035 T3 PL 2311035T3
- Authority
- PL
- Poland
- Prior art keywords
- audio encoding
- decoding scheme
- low bitrate
- common preprocessing
- bitrate audio
- Prior art date
Links
- 238000007781 pre-processing Methods 0.000 title 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
- G10L19/04—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
- G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
-
- 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
- G10L19/04—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
-
- 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/02—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using spectral analysis, e.g. transform vocoders or subband vocoders
- G10L19/0212—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
- G10L2019/0001—Codebooks
- G10L2019/0007—Codebook element generation
- G10L2019/0008—Algebraic codebooks
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)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7986108P | 2008-07-11 | 2008-07-11 | |
EP08017662 | 2008-10-08 | ||
EP09002272A EP2144231A1 (en) | 2008-07-11 | 2009-02-18 | Low bitrate audio encoding/decoding scheme with common preprocessing |
EP09793882A EP2311035B1 (en) | 2008-07-11 | 2009-07-06 | Low bitrate audio encoding/decoding scheme with common preprocessing |
PCT/EP2009/004873 WO2010003617A1 (en) | 2008-07-11 | 2009-07-06 | Low bitrate audio encoding/decoding scheme with common preprocessing |
Publications (1)
Publication Number | Publication Date |
---|---|
PL2311035T3 true PL2311035T3 (pl) | 2012-06-29 |
Family
ID=40750900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL09793882T PL2311035T3 (pl) | 2008-07-11 | 2009-07-06 | Algorytm kodowania/dekodowania sygnału akustycznego z małą przepływnością i typowym przetwarzaniem wstępnym |
Country Status (19)
Country | Link |
---|---|
US (1) | US8804970B2 (pl) |
EP (2) | EP2144231A1 (pl) |
JP (1) | JP5325294B2 (pl) |
KR (3) | KR101346894B1 (pl) |
CN (1) | CN102124517B (pl) |
AR (1) | AR072423A1 (pl) |
AT (1) | ATE540401T1 (pl) |
AU (1) | AU2009267432B2 (pl) |
BR (4) | BR122021017287B1 (pl) |
CA (1) | CA2730237C (pl) |
CO (1) | CO6341673A2 (pl) |
ES (1) | ES2380307T3 (pl) |
HK (1) | HK1156723A1 (pl) |
MX (1) | MX2011000383A (pl) |
PL (1) | PL2311035T3 (pl) |
RU (1) | RU2483365C2 (pl) |
TW (1) | TWI463486B (pl) |
WO (1) | WO2010003617A1 (pl) |
ZA (1) | ZA201009209B (pl) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
ES2396927T3 (es) * | 2008-07-11 | 2013-03-01 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y procedimiento para decodificar una señal de audio codificada |
EP2144231A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme with common preprocessing |
WO2010003663A1 (en) * | 2008-07-11 | 2010-01-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder for encoding frames of sampled audio signals |
MX2011000367A (es) * | 2008-07-11 | 2011-03-02 | Fraunhofer Ges Forschung | Un aparato y un metodo para calcular una cantidad de envolventes espectrales. |
KR101797033B1 (ko) | 2008-12-05 | 2017-11-14 | 삼성전자주식회사 | 부호화 모드를 이용한 음성신호의 부호화/복호화 장치 및 방법 |
RU2559899C2 (ru) | 2010-04-09 | 2015-08-20 | Долби Интернешнл Аб | Стереофоническое кодирование на основе mdct с комплексным предсказанием |
KR101697550B1 (ko) | 2010-09-16 | 2017-02-02 | 삼성전자주식회사 | 멀티채널 오디오 대역폭 확장 장치 및 방법 |
CN103282959B (zh) * | 2010-10-25 | 2015-06-03 | 沃伊斯亚吉公司 | 低位速率和短延迟地编码普通音频信号 |
US9037456B2 (en) | 2011-07-26 | 2015-05-19 | Google Technology Holdings LLC | Method and apparatus for audio coding and decoding |
EP2600343A1 (en) | 2011-12-02 | 2013-06-05 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for merging geometry - based spatial audio coding streams |
US9043201B2 (en) | 2012-01-03 | 2015-05-26 | Google Technology Holdings LLC | Method and apparatus for processing audio frames to transition between different codecs |
EP2849180B1 (en) * | 2012-05-11 | 2020-01-01 | Panasonic Corporation | Hybrid audio signal encoder, hybrid audio signal decoder, method for encoding audio signal, and method for decoding audio signal |
EP2665208A1 (en) * | 2012-05-14 | 2013-11-20 | Thomson Licensing | Method and apparatus for compressing and decompressing a Higher Order Ambisonics signal representation |
RU2656681C1 (ru) * | 2012-11-13 | 2018-06-06 | Самсунг Электроникс Ко., Лтд. | Способ и устройство для определения режима кодирования, способ и устройство для кодирования аудиосигналов и способ, и устройство для декодирования аудиосигналов |
WO2014077254A1 (ja) * | 2012-11-15 | 2014-05-22 | 株式会社Nttドコモ | 音声符号化装置、音声符号化方法、音声符号化プログラム、音声復号装置、音声復号方法及び音声復号プログラム |
US9548056B2 (en) * | 2012-12-19 | 2017-01-17 | Dolby International Ab | Signal adaptive FIR/IIR predictors for minimizing entropy |
PL2943953T3 (pl) | 2013-01-08 | 2017-07-31 | Dolby International Ab | Prognozowanie oparte na modelu w próbkowanym krytycznie banku filtrów |
PL2951821T3 (pl) | 2013-01-29 | 2017-08-31 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Koncepcja kompensacji przełączania trybu kodowania |
JP6179122B2 (ja) * | 2013-02-20 | 2017-08-16 | 富士通株式会社 | オーディオ符号化装置、オーディオ符号化方法、オーディオ符号化プログラム |
MY181026A (en) * | 2013-06-21 | 2020-12-16 | Fraunhofer Ges Forschung | Apparatus and method realizing improved concepts for tcx ltp |
EP2830045A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Concept for audio encoding and decoding for audio channels and audio objects |
EP2830047A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for low delay object metadata coding |
EP2830050A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for enhanced spatial audio object coding |
EP2830052A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
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 |
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 |
US9666202B2 (en) * | 2013-09-10 | 2017-05-30 | Huawei Technologies Co., Ltd. | Adaptive bandwidth extension and apparatus for the same |
EP3058569B1 (en) | 2013-10-18 | 2020-12-09 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung E.V. | Concept for encoding an audio signal and decoding an audio signal using deterministic and noise like information |
CN111370009B (zh) | 2013-10-18 | 2023-12-22 | 弗朗霍夫应用科学研究促进协会 | 使用语音相关的频谱整形信息编码音频信号和解码音频信号的概念 |
PT3285255T (pt) | 2013-10-31 | 2019-08-02 | Fraunhofer Ges Forschung | Descodificador de áudio e método para fornecer uma informação de áudio descodificada utilizando uma ocultação de erro baseada num sinal de excitação no domínio de tempo |
PL3336840T3 (pl) * | 2013-10-31 | 2020-04-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dekoder audio i sposób dostarczania zdekodowanej informacji audio z wykorzystaniem maskowania błędów modyfikującego sygnał pobudzenia w dziedzinie czasu |
ES2716652T3 (es) * | 2013-11-13 | 2019-06-13 | Fraunhofer Ges Forschung | Codificador para la codificación de una señal de audio, sistema de transmisión de audio y procedimiento para la determinación de valores de corrección |
FR3013496A1 (fr) * | 2013-11-15 | 2015-05-22 | Orange | Transition d'un codage/decodage par transformee vers un codage/decodage predictif |
US9564136B2 (en) * | 2014-03-06 | 2017-02-07 | Dts, Inc. | Post-encoding bitrate reduction of multiple object audio |
BR122020015614B1 (pt) | 2014-04-17 | 2022-06-07 | Voiceage Evs Llc | Método e dispositivo para interpolar parâmetros de filtro de predição linear em um quadro de processamento de sinal sonoro atual seguindo um quadro de processamento de sinal sonoro anterior |
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 |
CN104269173B (zh) * | 2014-09-30 | 2018-03-13 | 武汉大学深圳研究院 | 切换模式的音频带宽扩展装置与方法 |
EP3067887A1 (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 |
CN106205628B (zh) * | 2015-05-06 | 2018-11-02 | 小米科技有限责任公司 | 声音信号优化方法及装置 |
EP3405950B1 (en) | 2016-01-22 | 2022-09-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Stereo audio coding with ild-based normalisation prior to mid/side decision |
EP3276620A1 (en) * | 2016-07-29 | 2018-01-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Time domain aliasing reduction for non-uniform filterbanks which use spectral analysis followed by partial synthesis |
DE102016214693B4 (de) | 2016-08-08 | 2018-05-09 | Steinbeiss-Forschungszentrum, Material Engineering Center Saarland | Elektrisch leitendes Kontaktelement für einen elektrischen Steckverbinder, elektrischer Steckverbinder, der ein solches Kontaktelement umfasst, und Verfahren zum Einschließen eines Hilfsstoffes unter der Kontaktoberfläche eines solchen Kontaktelements |
US10825467B2 (en) * | 2017-04-21 | 2020-11-03 | Qualcomm Incorporated | Non-harmonic speech detection and bandwidth extension in a multi-source environment |
KR102623514B1 (ko) * | 2017-10-23 | 2024-01-11 | 삼성전자주식회사 | 음성신호 처리장치 및 그 동작방법 |
EP3483884A1 (en) * | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
WO2019091576A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoders, audio decoders, methods and computer programs adapting an encoding and decoding of least significant bits |
EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
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 |
WO2019091573A1 (en) | 2017-11-10 | 2019-05-16 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding and decoding an audio signal using downsampling or interpolation of scale parameters |
EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
EP3483878A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio decoder supporting a set of different loss concealment tools |
AU2018368589B2 (en) * | 2017-11-17 | 2021-10-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding directional audio coding parameters using quantization and entropy coding |
CN109036457B (zh) | 2018-09-10 | 2021-10-08 | 广州酷狗计算机科技有限公司 | 恢复音频信号的方法和装置 |
US20200402522A1 (en) * | 2019-06-24 | 2020-12-24 | Qualcomm Incorporated | Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding |
CN112447165A (zh) * | 2019-08-15 | 2021-03-05 | 阿里巴巴集团控股有限公司 | 信息处理、模型训练和模型构建方法、电子设备、智能音箱 |
CN113129913B (zh) * | 2019-12-31 | 2024-05-03 | 华为技术有限公司 | 音频信号的编解码方法和编解码装置 |
Family Cites Families (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3317470B2 (ja) * | 1995-03-28 | 2002-08-26 | 日本電信電話株式会社 | 音響信号符号化方法、音響信号復号化方法 |
JP4132109B2 (ja) * | 1995-10-26 | 2008-08-13 | ソニー株式会社 | 音声信号の再生方法及び装置、並びに音声復号化方法及び装置、並びに音声合成方法及び装置 |
JPH10124092A (ja) | 1996-10-23 | 1998-05-15 | Sony Corp | 音声符号化方法及び装置、並びに可聴信号符号化方法及び装置 |
SE9700772D0 (sv) * | 1997-03-03 | 1997-03-03 | Ericsson Telefon Ab L M | A high resolution post processing method for a speech decoder |
US6447490B1 (en) * | 1997-08-07 | 2002-09-10 | James Zhou Liu | Vagina cleaning system for preventing pregnancy and sexually transmitted diseases |
EP0907258B1 (en) * | 1997-10-03 | 2007-01-03 | Matsushita Electric Industrial Co., Ltd. | Audio signal compression, speech signal compression and speech recognition |
CN1192355C (zh) * | 1999-11-16 | 2005-03-09 | 皇家菲利浦电子有限公司 | 宽带音频传输系统 |
US6658383B2 (en) * | 2001-06-26 | 2003-12-02 | Microsoft Corporation | Method for coding speech and music signals |
ES2268112T3 (es) | 2001-11-14 | 2007-03-16 | Matsushita Electric Industrial Co., Ltd. | Codificacion y descodificacion de audio. |
US6785645B2 (en) * | 2001-11-29 | 2004-08-31 | Microsoft Corporation | Real-time speech and music classifier |
TW564400B (en) | 2001-12-25 | 2003-12-01 | Univ Nat Cheng Kung | Speech coding/decoding method and speech coder/decoder |
AU2003234763A1 (en) | 2002-04-26 | 2003-11-10 | Matsushita Electric Industrial Co., Ltd. | Coding device, decoding device, coding method, and decoding method |
US7876966B2 (en) * | 2003-03-11 | 2011-01-25 | Spyder Navigations L.L.C. | Switching between coding schemes |
US7756709B2 (en) * | 2004-02-02 | 2010-07-13 | Applied Voice & Speech Technologies, Inc. | Detection of voice inactivity within a sound stream |
CA2457988A1 (en) * | 2004-02-18 | 2005-08-18 | Voiceage Corporation | Methods and devices for audio compression based on acelp/tcx coding and multi-rate lattice vector quantization |
ES2291877T3 (es) * | 2004-05-17 | 2008-03-01 | Nokia Corporation | Codificacion de audio con diferentes modelos de codificacion. |
US7596486B2 (en) * | 2004-05-19 | 2009-09-29 | Nokia Corporation | Encoding an audio signal using different audio coder modes |
US8423372B2 (en) * | 2004-08-26 | 2013-04-16 | Sisvel International S.A. | Processing of encoded signals |
US8121836B2 (en) * | 2005-07-11 | 2012-02-21 | Lg Electronics Inc. | Apparatus and method of processing an audio signal |
US7653533B2 (en) * | 2005-10-24 | 2010-01-26 | Lg Electronics Inc. | Removing time delays in signal paths |
US7720677B2 (en) * | 2005-11-03 | 2010-05-18 | Coding Technologies Ab | Time warped modified transform coding of audio signals |
EP1984913A4 (en) * | 2006-02-07 | 2011-01-12 | Lg Electronics Inc | DEVICE AND METHOD FOR CODING / DECODING A SIGNAL |
MX2008016163A (es) * | 2006-06-30 | 2009-02-04 | Fraunhofer Ges Forschung | Codificador de audio, decodificador de audio y procesador de audio con caracteristicas de warping variable de manera dinamica. |
US7873511B2 (en) * | 2006-06-30 | 2011-01-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic |
KR101434198B1 (ko) * | 2006-11-17 | 2014-08-26 | 삼성전자주식회사 | 신호 복호화 방법 |
KR100964402B1 (ko) * | 2006-12-14 | 2010-06-17 | 삼성전자주식회사 | 오디오 신호의 부호화 모드 결정 방법 및 장치와 이를 이용한 오디오 신호의 부호화/복호화 방법 및 장치 |
KR100883656B1 (ko) * | 2006-12-28 | 2009-02-18 | 삼성전자주식회사 | 오디오 신호의 분류 방법 및 장치와 이를 이용한 오디오신호의 부호화/복호화 방법 및 장치 |
KR101379263B1 (ko) * | 2007-01-12 | 2014-03-28 | 삼성전자주식회사 | 대역폭 확장 복호화 방법 및 장치 |
KR101452722B1 (ko) * | 2008-02-19 | 2014-10-23 | 삼성전자주식회사 | 신호 부호화 및 복호화 방법 및 장치 |
EP2144231A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme with common preprocessing |
-
2009
- 2009-02-18 EP EP09002272A patent/EP2144231A1/en not_active Withdrawn
- 2009-06-29 TW TW098121854A patent/TWI463486B/zh active
- 2009-06-30 AR ARP090102437A patent/AR072423A1/es active IP Right Grant
- 2009-07-06 EP EP09793882A patent/EP2311035B1/en active Active
- 2009-07-06 AU AU2009267432A patent/AU2009267432B2/en active Active
- 2009-07-06 PL PL09793882T patent/PL2311035T3/pl unknown
- 2009-07-06 CA CA2730237A patent/CA2730237C/en active Active
- 2009-07-06 WO PCT/EP2009/004873 patent/WO2010003617A1/en active Application Filing
- 2009-07-06 ES ES09793882T patent/ES2380307T3/es active Active
- 2009-07-06 KR KR1020137001610A patent/KR101346894B1/ko active IP Right Grant
- 2009-07-06 AT AT09793882T patent/ATE540401T1/de active
- 2009-07-06 RU RU2011100133/08A patent/RU2483365C2/ru active
- 2009-07-06 BR BR122021017287-0A patent/BR122021017287B1/pt active IP Right Grant
- 2009-07-06 BR BR122021017391-5A patent/BR122021017391B1/pt active IP Right Grant
- 2009-07-06 CN CN2009801270946A patent/CN102124517B/zh active Active
- 2009-07-06 BR BR122020025711-3A patent/BR122020025711B1/pt active IP Right Grant
- 2009-07-06 KR KR1020137017066A patent/KR101645783B1/ko active IP Right Grant
- 2009-07-06 JP JP2011517014A patent/JP5325294B2/ja active Active
- 2009-07-06 MX MX2011000383A patent/MX2011000383A/es active IP Right Grant
- 2009-07-06 BR BR122020025776-8A patent/BR122020025776B1/pt active IP Right Grant
- 2009-07-06 KR KR1020117003071A patent/KR20110040899A/ko active Application Filing
-
2010
- 2010-12-22 ZA ZA2010/09209A patent/ZA201009209B/en unknown
- 2010-12-29 CO CO10164064A patent/CO6341673A2/es active IP Right Grant
-
2011
- 2011-01-11 US US13/004,453 patent/US8804970B2/en active Active
- 2011-10-18 HK HK11111083.2A patent/HK1156723A1/xx unknown
Also Published As
Similar Documents
Publication | Publication Date | Title |
---|---|---|
HK1156723A1 (en) | Low bitrate audio encoding/decoding scheme with common preprocessing | |
HK1246546A1 (zh) | 編碼器和編碼方法與解碼器和解碼方法 | |
ZA201102537B (en) | Multi-resolution switched audio encoding/decoding scheme | |
HK1223452A1 (zh) | 用於對音頻樣本進行編碼和解碼的音頻編碼器和解碼器 | |
HK1206179A1 (en) | Methods, devices and systems for parallel video encoding and decoding | |
HK1156142A1 (zh) | 具有級聯開關的低比特率音頻編碼/解碼方案 | |
EP2501047A4 (en) | CODING METHOD, DECODING METHOD, CODING DEVICE, AND DECODING DEVICE | |
GB2476271B (en) | Coding data streams | |
EP2437499A4 (en) | ENCODER AND VIDEO DECODER, VIDEO ENCODING AND DECODING METHOD | |
HK1153035A1 (en) | Bandwidth extension encoding and decoding | |
PL2201566T3 (pl) | Połączone, wielokanałowe kodowanie/dekodowanie audio | |
EP2224428A4 (en) | CODING AND DECODING METHOD AND DEVICES | |
EP2224432A4 (en) | ENCODER, DECODER AND ENCODING METHOD | |
EP2192692A4 (en) | CODING METHOD, CODING DEVICE, AND DECODING DEVICE | |
HK1156143A1 (en) | Audio encoding/decoding scheme having a switchable bypass | |
EP2207358A4 (en) | VIDEO ENCODING AND DECODING METHOD | |
EP2187649A4 (en) | VIDEO CODING METHOD AND VIDEO ENCODING METHOD | |
EP2433279A4 (en) | Encoder, decoder, encoding method, and decoding method | |
EP2478704A4 (en) | METHOD AND DEVICES FOR INFORMATION ON CODING AND DECODING MODES | |
EP2234275A4 (en) | CODIER, DECODER, CODING METHOD AND DECODING METHOD | |
GB2476041B (en) | Encoding and decoding speech signals | |
EP2405583A4 (en) | ENCODER, DECODER AND ENCODING METHOD | |
EP2296283A4 (en) | ENCODER, DECODER AND ENCODING METHOD | |
EP2489194A4 (en) | VIDEO ENCODING AND DECODING METHODS | |
GB0917417D0 (en) | Multimedia signature coding and decoding |