BRPI0818927A2 - Método e aparelho para a decodificação de áudio - Google Patents
Método e aparelho para a decodificação de áudioInfo
- Publication number
- BRPI0818927A2 BRPI0818927A2 BRPI0818927-7A BRPI0818927A BRPI0818927A2 BR PI0818927 A2 BRPI0818927 A2 BR PI0818927A2 BR PI0818927 A BRPI0818927 A BR PI0818927A BR PI0818927 A2 BRPI0818927 A2 BR PI0818927A2
- Authority
- BR
- Brazil
- Prior art keywords
- audio decoding
- decoding
- audio
- Prior art date
Links
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
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
Landscapes
- Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710166745 | 2007-11-02 | ||
| CN200710187437 | 2007-11-23 | ||
| CN200810084725A CN100585699C (zh) | 2007-11-02 | 2008-03-14 | 一种音频解码的方法和装置 |
| PCT/CN2008/072756 WO2009056027A1 (en) | 2007-11-02 | 2008-10-20 | An audio decoding method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI0818927A2 true BRPI0818927A2 (pt) | 2015-06-16 |
Family
ID=40590539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0818927-7A BRPI0818927A2 (pt) | 2007-11-02 | 2008-10-20 | Método e aparelho para a decodificação de áudio |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8473301B2 (pt) |
| EP (2) | EP2207166B1 (pt) |
| JP (2) | JP5547081B2 (pt) |
| KR (1) | KR101290622B1 (pt) |
| BR (1) | BRPI0818927A2 (pt) |
| RU (1) | RU2449386C2 (pt) |
| WO (1) | WO2009056027A1 (pt) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2888699A1 (fr) * | 2005-07-13 | 2007-01-19 | France Telecom | Dispositif de codage/decodage hierachique |
| DE102008009720A1 (de) * | 2008-02-19 | 2009-08-20 | Siemens Enterprise Communications Gmbh & Co. Kg | Verfahren und Mittel zur Dekodierung von Hintergrundrauschinformationen |
| DE102008009719A1 (de) * | 2008-02-19 | 2009-08-20 | Siemens Enterprise Communications Gmbh & Co. Kg | Verfahren und Mittel zur Enkodierung von Hintergrundrauschinformationen |
| JP5754899B2 (ja) | 2009-10-07 | 2015-07-29 | ソニー株式会社 | 復号装置および方法、並びにプログラム |
| KR101423737B1 (ko) | 2010-01-21 | 2014-07-24 | 한국전자통신연구원 | 오디오 신호의 디코딩 방법 및 장치 |
| JP5850216B2 (ja) | 2010-04-13 | 2016-02-03 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
| JP5609737B2 (ja) | 2010-04-13 | 2014-10-22 | ソニー株式会社 | 信号処理装置および方法、符号化装置および方法、復号装置および方法、並びにプログラム |
| US8000968B1 (en) | 2011-04-26 | 2011-08-16 | Huawei Technologies Co., Ltd. | Method and apparatus for switching speech or audio signals |
| CN101964189B (zh) * | 2010-04-28 | 2012-08-08 | 华为技术有限公司 | 语音频信号切换方法及装置 |
| JP6075743B2 (ja) | 2010-08-03 | 2017-02-08 | ソニー株式会社 | 信号処理装置および方法、並びにプログラム |
| US8762158B2 (en) * | 2010-08-06 | 2014-06-24 | Samsung Electronics Co., Ltd. | Decoding method and decoding apparatus therefor |
| CN102404072B (zh) | 2010-09-08 | 2013-03-20 | 华为技术有限公司 | 一种信息比特发送方法、装置和系统 |
| JP5707842B2 (ja) | 2010-10-15 | 2015-04-30 | ソニー株式会社 | 符号化装置および方法、復号装置および方法、並びにプログラム |
| CN102800317B (zh) * | 2011-05-25 | 2014-09-17 | 华为技术有限公司 | 信号分类方法及设备、编解码方法及设备 |
| CN103187065B (zh) | 2011-12-30 | 2015-12-16 | 华为技术有限公司 | 音频数据的处理方法、装置和系统 |
| CN105469805B (zh) | 2012-03-01 | 2018-01-12 | 华为技术有限公司 | 一种语音频信号处理方法和装置 |
| CN103516440B (zh) * | 2012-06-29 | 2015-07-08 | 华为技术有限公司 | 语音频信号处理方法和编码装置 |
| CA2898024C (en) | 2013-01-29 | 2018-09-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Noise filling concept |
| JP6305694B2 (ja) * | 2013-05-31 | 2018-04-04 | クラリオン株式会社 | 信号処理装置及び信号処理方法 |
| ES2635555T3 (es) | 2013-06-21 | 2017-10-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y método para el desvanecimiento de señales mejorado en diferentes dominios durante el ocultamiento de errores |
| EP2830054A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework |
| US9418671B2 (en) * | 2013-08-15 | 2016-08-16 | Huawei Technologies Co., Ltd. | Adaptive high-pass post-filter |
| JP6531649B2 (ja) | 2013-09-19 | 2019-06-19 | ソニー株式会社 | 符号化装置および方法、復号化装置および方法、並びにプログラム |
| US9293143B2 (en) | 2013-12-11 | 2016-03-22 | Qualcomm Incorporated | Bandwidth extension mode selection |
| KR102356012B1 (ko) | 2013-12-27 | 2022-01-27 | 소니그룹주식회사 | 복호화 장치 및 방법, 및 프로그램 |
| CN104753653B (zh) * | 2013-12-31 | 2019-07-12 | 中兴通讯股份有限公司 | 一种解速率匹配的方法、装置和接收侧设备 |
| KR101864122B1 (ko) * | 2014-02-20 | 2018-06-05 | 삼성전자주식회사 | 전자 장치 및 전자 장치의 제어 방법 |
| KR102318257B1 (ko) * | 2014-02-25 | 2021-10-28 | 한국전자통신연구원 | 레이어드 디비전 멀티플렉싱을 이용한 신호 멀티플렉싱 장치 및 신호 멀티플렉싱 방법 |
| JP6035270B2 (ja) * | 2014-03-24 | 2016-11-30 | 株式会社Ｎｔｔドコモ | 音声復号装置、音声符号化装置、音声復号方法、音声符号化方法、音声復号プログラム、および音声符号化プログラム |
| US9542955B2 (en) * | 2014-03-31 | 2017-01-10 | Qualcomm Incorporated | High-band signal coding using multiple sub-bands |
| JP2016038513A (ja) * | 2014-08-08 | 2016-03-22 | 富士通株式会社 | 音声切替装置、音声切替方法及び音声切替用コンピュータプログラム |
| WO2016142002A1 (en) | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
| US10847170B2 (en) | 2015-06-18 | 2020-11-24 | Qualcomm Incorporated | Device and method for generating a high-band signal from non-linearly processed sub-ranges |
| US9837089B2 (en) * | 2015-06-18 | 2017-12-05 | Qualcomm Incorporated | High-band signal generation |
| EP3340664A1 (en) | 2015-09-15 | 2018-06-27 | Huawei Technologies Co., Ltd. | Method and network device for establishing a wireless bearer |
| EP3555885B1 (en) * | 2016-12-16 | 2020-06-24 | Telefonaktiebolaget LM Ericsson (PUBL) | Method and encoder for handling envelope representation coefficients |
| US10354668B2 (en) | 2017-03-22 | 2019-07-16 | Immersion Networks, Inc. | System and method for processing audio data |
| WO2018211050A1 (en) | 2017-05-18 | 2018-11-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Managing network device |
| 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 |
| 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 |
| EP3483883A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio coding and decoding with selective postfiltering |
| EP3483880A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Temporal noise shaping |
| 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 |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| 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 |
| WO2025199960A1 (zh) * | 2024-03-29 | 2025-10-02 | 瑞声开泰声学科技(上海)有限公司 | 一种音频处理方法、电子设备及存储介质 |
Family Cites Families (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08278800A (ja) * | 1995-04-05 | 1996-10-22 | Fujitsu Ltd | 音声通信システム |
| SE512719C2 (sv) * | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| JP4132154B2 (ja) * | 1997-10-23 | 2008-08-13 | ソニー株式会社 | 音声合成方法及び装置、並びに帯域幅拡張方法及び装置 |
| JP4099879B2 (ja) * | 1998-10-26 | 2008-06-11 | ソニー株式会社 | 帯域幅拡張方法及び装置 |
| GB2357682B (en) * | 1999-12-23 | 2004-09-08 | Motorola Ltd | Audio circuit and method for wideband to narrowband transition in a communication device |
| US6704711B2 (en) * | 2000-01-28 | 2004-03-09 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for modifying speech signals |
| FI115329B (fi) | 2000-05-08 | 2005-04-15 | Nokia Corp | Menetelmä ja järjestely lähdesignaalin kaistanleveyden vaihtamiseksi tietoliikenneyhteydessä, jossa on valmiudet useisiin kaistanleveyksiin |
| SE0001926D0 (sv) * | 2000-05-23 | 2000-05-23 | Lars Liljeryd | Improved spectral translation/folding in the subband domain |
| US20020128839A1 (en) * | 2001-01-12 | 2002-09-12 | Ulf Lindgren | Speech bandwidth extension |
| US7113522B2 (en) | 2001-01-24 | 2006-09-26 | Qualcomm, Incorporated | Enhanced conversion of wideband signals to narrowband signals |
| SE522553C2 (sv) * | 2001-04-23 | 2004-02-17 | Ericsson Telefon Ab L M | Bandbreddsutsträckning av akustiska signaler |
| EP1351401B1 (en) | 2001-07-13 | 2009-01-14 | Panasonic Corporation | Audio signal decoding device and audio signal encoding device |
| US6895375B2 (en) * | 2001-10-04 | 2005-05-17 | At&T Corp. | System for bandwidth extension of Narrow-band speech |
| US6988066B2 (en) * | 2001-10-04 | 2006-01-17 | At&T Corp. | Method of bandwidth extension for narrow-band speech |
| MXPA03005133A (es) | 2001-11-14 | 2004-04-02 | Matsushita Electric Industrial Co Ltd | Dispositivo de codificacion, dispositivo de decodificacion y sistema de los mismos. |
| FR2849727B1 (fr) * | 2003-01-08 | 2005-03-18 | France Telecom | Procede de codage et de decodage audio a debit variable |
| FI119533B (fi) * | 2004-04-15 | 2008-12-15 | Nokia Corp | Audiosignaalien koodaus |
| EP1638083B1 (en) * | 2004-09-17 | 2009-04-22 | Harman Becker Automotive Systems GmbH | Bandwidth extension of bandlimited audio signals |
| CN100592389C (zh) * | 2008-01-18 | 2010-02-24 | 华为技术有限公司 | 合成滤波器状态更新方法及装置 |
| JP4821131B2 (ja) * | 2005-02-22 | 2011-11-24 | 沖電気工業株式会社 | 音声帯域拡張装置 |
| US8260611B2 (en) * | 2005-04-01 | 2012-09-04 | Qualcomm Incorporated | Systems, methods, and apparatus for highband excitation generation |
| US8249861B2 (en) * | 2005-04-20 | 2012-08-21 | Qnx Software Systems Limited | High frequency compression integration |
| JP4604864B2 (ja) * | 2005-06-14 | 2011-01-05 | 沖電気工業株式会社 | 帯域拡張装置及び不足帯域信号生成器 |
| WO2007000988A1 (ja) * | 2005-06-29 | 2007-01-04 | Matsushita Electric Industrial Co., Ltd. | スケーラブル復号装置および消失データ補間方法 |
| DE102005032724B4 (de) * | 2005-07-13 | 2009-10-08 | Siemens Ag | Verfahren und Vorrichtung zur künstlichen Erweiterung der Bandbreite von Sprachsignalen |
| CN101263554B (zh) * | 2005-07-22 | 2011-12-28 | 法国电信公司 | 在比特率分级和带宽分级的音频解码中的比特率切换方法 |
| CA2558595C (en) * | 2005-09-02 | 2015-05-26 | Nortel Networks Limited | Method and apparatus for extending the bandwidth of a speech signal |
| EP1772855B1 (en) * | 2005-10-07 | 2013-09-18 | Nuance Communications, Inc. | Method for extending the spectral bandwidth of a speech signal |
| US7546237B2 (en) * | 2005-12-23 | 2009-06-09 | Qnx Software Systems (Wavemakers), Inc. | Bandwidth extension of narrowband speech |
| JP2007271916A (ja) * | 2006-03-31 | 2007-10-18 | Yamaha Corp | 音声データ圧縮装置および伸張装置 |
| JP2007310298A (ja) * | 2006-05-22 | 2007-11-29 | Oki Electric Ind Co Ltd | 帯域外信号生成装置及び周波数帯域拡張装置 |
| CN2927247Y (zh) * | 2006-07-11 | 2007-07-25 | 中兴通讯股份有限公司 | 语音解码器 |
| KR101379263B1 (ko) * | 2007-01-12 | 2014-03-28 | 삼성전자주식회사 | 대역폭 확장 복호화 방법 및 장치 |
| KR101377702B1 (ko) * | 2008-12-11 | 2014-03-25 | 한국전자통신연구원 | 가변 대역 코덱 및 그 제어 방법 |
-
2008
- 2008-10-20 JP JP2010532409A patent/JP5547081B2/ja active Active
- 2008-10-20 KR KR1020107011060A patent/KR101290622B1/ko active Active
- 2008-10-20 EP EP08845741.1A patent/EP2207166B1/en active Active
- 2008-10-20 BR BRPI0818927-7A patent/BRPI0818927A2/pt not_active IP Right Cessation
- 2008-10-20 EP EP13168293.2A patent/EP2629293A3/en not_active Withdrawn
- 2008-10-20 RU RU2010122326/08A patent/RU2449386C2/ru active
- 2008-10-20 WO PCT/CN2008/072756 patent/WO2009056027A1/zh not_active Ceased
-
2010
- 2010-05-01 US US12/772,197 patent/US8473301B2/en active Active
-
2013
- 2013-07-05 JP JP2013141872A patent/JP2013235284A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP2629293A2 (en) | 2013-08-21 |
| JP5547081B2 (ja) | 2014-07-09 |
| JP2011502287A (ja) | 2011-01-20 |
| EP2629293A3 (en) | 2014-01-08 |
| US20100228557A1 (en) | 2010-09-09 |
| US8473301B2 (en) | 2013-06-25 |
| JP2013235284A (ja) | 2013-11-21 |
| EP2207166A1 (en) | 2010-07-14 |
| WO2009056027A1 (en) | 2009-05-07 |
| KR101290622B1 (ko) | 2013-07-29 |
| RU2449386C2 (ru) | 2012-04-27 |
| RU2010122326A (ru) | 2011-12-10 |
| KR20100085991A (ko) | 2010-07-29 |
| EP2207166B1 (en) | 2013-06-19 |
| EP2207166A4 (en) | 2010-11-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 7A ANUIDADE. |
|
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2343 DE 01-12-2015 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |