BRPI0904958A2 - "aparelho e método para calcular dados de extensão de largura de banda usando um quadro controlado por inclinação espectral" - Google Patents
"aparelho e método para calcular dados de extensão de largura de banda usando um quadro controlado por inclinação espectral"Info
- Publication number
- BRPI0904958A2 BRPI0904958A2 BRPI0904958-4A BRPI0904958A BRPI0904958A2 BR PI0904958 A2 BRPI0904958 A2 BR PI0904958A2 BR PI0904958 A BRPI0904958 A BR PI0904958A BR PI0904958 A2 BRPI0904958 A2 BR PI0904958A2
- Authority
- BR
- Brazil
- Prior art keywords
- bandwidth extension
- extension data
- spectral tilt
- controlled frame
- calculating bandwidth
- Prior art date
Links
- 230000003595 spectral effect Effects 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Quality & Reliability (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)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7987108P | 2008-07-11 | 2008-07-11 | |
| US61/079,871 | 2008-07-11 | ||
| PCT/EP2009/004520 WO2010003543A1 (en) | 2008-07-11 | 2009-06-23 | Apparatus and method for calculating bandwidth extension data using a spectral tilt controlling framing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0904958A2 true BRPI0904958A2 (pt) | 2015-06-30 |
| BRPI0904958B1 BRPI0904958B1 (pt) | 2020-03-03 |
Family
ID=40929509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0904958-4A BRPI0904958B1 (pt) | 2008-07-11 | 2009-06-23 | Aparelho e método para calcular dados de extensão de largura de banda usando um quadro controlado por inclinação espectral |
Country Status (18)
| Country | Link |
|---|---|
| US (1) | US8788276B2 (pt) |
| EP (1) | EP2176862B1 (pt) |
| JP (1) | JP5010743B2 (pt) |
| KR (1) | KR101182258B1 (pt) |
| CN (1) | CN101836253B (pt) |
| AR (1) | AR072703A1 (pt) |
| AT (1) | ATE522901T1 (pt) |
| AU (1) | AU2009267529B2 (pt) |
| BR (1) | BRPI0904958B1 (pt) |
| CA (1) | CA2699316C (pt) |
| ES (1) | ES2372014T3 (pt) |
| IL (1) | IL203928A (pt) |
| MY (1) | MY150373A (pt) |
| PL (1) | PL2176862T3 (pt) |
| RU (1) | RU2443028C2 (pt) |
| TW (1) | TWI457914B (pt) |
| WO (1) | WO2010003543A1 (pt) |
| ZA (1) | ZA201000941B (pt) |
Families Citing this family (47)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7711123B2 (en) * | 2001-04-13 | 2010-05-04 | Dolby Laboratories Licensing Corporation | Segmenting audio signals into auditory events |
| EP2239732A1 (en) * | 2009-04-09 | 2010-10-13 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Apparatus and method for generating a synthesis audio signal and for encoding an audio signal |
| RU2452044C1 (ru) | 2009-04-02 | 2012-05-27 | Фраунхофер-Гезелльшафт цур Фёрдерунг дер ангевандтен Форшунг Е.Ф. | Устройство, способ и носитель с программным кодом для генерирования представления сигнала с расширенным диапазоном частот на основе представления входного сигнала с использованием сочетания гармонического расширения диапазона частот и негармонического расширения диапазона частот |
| US9247547B2 (en) * | 2009-10-15 | 2016-01-26 | Qualcomm Incorporated | Downlink and uplink resource element mapping for carrier extension |
| JP5422664B2 (ja) * | 2009-10-21 | 2014-02-19 | パナソニック株式会社 | 音響信号処理装置、音響符号化装置および音響復号装置 |
| KR102691176B1 (ko) | 2010-01-19 | 2024-08-07 | 돌비 인터네셔널 에이비 | 고조파 전위에 기초하여 개선된 서브밴드 블록 |
| EP2362376A3 (en) * | 2010-02-26 | 2011-11-02 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Apparatus and method for modifying an audio signal using envelope shaping |
| BR122021019082B1 (pt) | 2010-03-09 | 2022-07-26 | Dolby International Ab | Aparelho e método para processar um sinal de áudio de entrada usando bancos de filtro em cascata |
| BR112012022745B1 (pt) * | 2010-03-09 | 2020-11-10 | Fraunhofer - Gesellschaft Zur Föerderung Der Angewandten Forschung E.V. | dispositivo e método para resposta de magnitude aperfeiçoada e alinhamento temporal em um vocoder de fase com base no método de extenção da largura de banda para sinais de áudio |
| EP2571170B1 (en) * | 2010-07-05 | 2016-06-01 | Nippon Telegraph And Telephone Corporation | Encoding method, decoding method, encoding device, decoding device, program, and recording medium |
| US9047875B2 (en) * | 2010-07-19 | 2015-06-02 | Futurewei Technologies, Inc. | Spectrum flatness control for bandwidth extension |
| CN102436820B (zh) | 2010-09-29 | 2013-08-28 | 华为技术有限公司 | 高频带信号编码方法及装置、高频带信号解码方法及装置 |
| CN102419977B (zh) * | 2011-01-14 | 2013-10-02 | 展讯通信（上海）有限公司 | 瞬态音频信号的判别方法 |
| US8762147B2 (en) * | 2011-02-02 | 2014-06-24 | JVC Kenwood Corporation | Consonant-segment detection apparatus and consonant-segment detection method |
| KR101572034B1 (ko) | 2011-05-19 | 2015-11-26 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 파라메트릭 오디오 코딩 방식들의 포렌식 검출 |
| JP5807453B2 (ja) * | 2011-08-30 | 2015-11-10 | 富士通株式会社 | 符号化方法、符号化装置および符号化プログラム |
| CN103035248B (zh) * | 2011-10-08 | 2015-01-21 | 华为技术有限公司 | 音频信号编码方法和装置 |
| ES2549953T3 (es) * | 2012-08-27 | 2015-11-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y método para la reproducción de una señal de audio, aparato y método para la generación de una señal de audio codificada, programa de ordenador y señal de audio codificada |
| EP2709106A1 (en) | 2012-09-17 | 2014-03-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for generating a bandwidth extended signal from a bandwidth limited audio signal |
| US9841941B2 (en) | 2013-01-21 | 2017-12-12 | Dolby Laboratories Licensing Corporation | System and method for optimizing loudness and dynamic range across different playback devices |
| CN105264601B (zh) | 2013-01-29 | 2019-05-31 | 弗劳恩霍夫应用研究促进协会 | 用于使用次频带时间平滑技术产生频率增强信号的装置及方法 |
| PT2951819T (pt) | 2013-01-29 | 2017-06-06 | Fraunhofer Ges Forschung | Aparelho, método e meio computacional para sintetizar um sinal de áudio |
| CN117392990A (zh) | 2013-01-29 | 2024-01-12 | 弗劳恩霍夫应用研究促进协会 | 用于码激励线性预测类编码器的无边信息的噪声填充 |
| EP3680899B1 (en) | 2013-01-29 | 2024-03-20 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, method and computer program using an increased temporal resolution in temporal proximity of offsets of fricatives or affricates |
| SG11201506543WA (en) | 2013-02-20 | 2015-09-29 | Fraunhofer Ges Forschung | Apparatus and method for generating an encoded signal or for decoding an encoded audio signal using a multi overlap portion |
| US9842598B2 (en) * | 2013-02-21 | 2017-12-12 | Qualcomm Incorporated | Systems and methods for mitigating potential frame instability |
| KR102243688B1 (ko) | 2013-04-05 | 2021-04-27 | 돌비 인터네셔널 에이비 | 인터리브된 파형 코딩을 위한 오디오 인코더 및 디코더 |
| EP3008726B1 (en) | 2013-06-10 | 2017-08-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for audio signal envelope encoding, processing and decoding by modelling a cumulative sum representation employing distribution quantization and coding |
| ES2635026T3 (es) * | 2013-06-10 | 2017-10-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Aparato y procedimiento de codificación, procesamiento y decodificación de envolvente de señal de audio por división de la envolvente de la señal de audio utilizando cuantización y codificación de distribución |
| EP2830064A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for decoding and encoding an audio signal using adaptive spectral tile selection |
| TWI557726B (zh) * | 2013-08-29 | 2016-11-11 | 杜比國際公司 | 用於決定音頻信號的高頻帶信號的主比例因子頻帶表之系統和方法 |
| CN104517610B (zh) * | 2013-09-26 | 2018-03-06 | 华为技术有限公司 | 频带扩展的方法及装置 |
| TR201901696T4 (tr) | 2013-10-18 | 2019-02-21 | Ericsson Telefon Ab L M | Spektral tepe konumlarının kodlanması. |
| US9640185B2 (en) * | 2013-12-12 | 2017-05-02 | Motorola Solutions, Inc. | Method and apparatus for enhancing the modulation index of speech sounds passed through a digital vocoder |
| US9542955B2 (en) * | 2014-03-31 | 2017-01-10 | Qualcomm Incorporated | High-band signal coding using multiple sub-bands |
| CN105225670B (zh) * | 2014-06-27 | 2016-12-28 | 华为技术有限公司 | 一种音频编码方法和装置 |
| 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 |
| JP6705142B2 (ja) * | 2015-09-17 | 2020-06-03 | ヤマハ株式会社 | 音質判定装置及びプログラム |
| MX385728B (es) * | 2016-03-07 | 2025-03-18 | Fraunhofer Ges Forschung | Método de ocultamiento híbrido: combinación de ocultamiento de pérdida paquete de dominio de frecuencia y tiempo en códecs de audio. |
| EP3382704A1 (en) * | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for determining a predetermined characteristic related to a spectral enhancement processing of an audio signal |
| US10825467B2 (en) * | 2017-04-21 | 2020-11-03 | Qualcomm Incorporated | Non-harmonic speech detection and bandwidth extension in a multi-source environment |
| TWI652597B (zh) * | 2017-12-05 | 2019-03-01 | 緯創資通股份有限公司 | 電子裝置及其解鎖方法 |
| CN117351969A (zh) * | 2018-01-17 | 2024-01-05 | 日本电信电话株式会社 | 解码装置、解码方法、计算机可读记录介质以及程序 |
| EP3671741A1 (en) * | 2018-12-21 | 2020-06-24 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Audio processor and method for generating a frequency-enhanced audio signal using pulse processing |
| CN113348507B (zh) * | 2019-01-13 | 2025-02-21 | 华为技术有限公司 | 高分辨率音频编解码 |
| CN112151046B (zh) * | 2020-09-25 | 2024-06-18 | 北京百瑞互联技术股份有限公司 | Lc3编码器自适应调节多声道传输码率的方法、装置及介质 |
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| KR100261254B1 (ko) * | 1997-04-02 | 2000-07-01 | 윤종용 | 비트율 조절이 가능한 오디오 데이터 부호화/복호화방법 및 장치 |
| 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 |
| US6233550B1 (en) * | 1997-08-29 | 2001-05-15 | The Regents Of The University Of California | Method and apparatus for hybrid coding of speech at 4kbps |
| CA2252170A1 (en) * | 1998-10-27 | 2000-04-27 | Bruno Bessette | A method and device for high quality coding of wideband speech and audio signals |
| SE9903552D0 (sv) * | 1999-01-27 | 1999-10-01 | Lars Liljeryd | Efficient spectral envelope coding using dynamic scalefactor grouping and time/frequency switching |
| US7010480B2 (en) * | 2000-09-15 | 2006-03-07 | Mindspeed Technologies, Inc. | Controlling a weighting filter based on the spectral content of a speech signal |
| US6615169B1 (en) * | 2000-10-18 | 2003-09-02 | Nokia Corporation | High frequency enhancement layer coding in wideband speech codec |
| WO2003042979A2 (en) * | 2001-11-14 | 2003-05-22 | Matsushita Electric Industrial Co., Ltd. | Encoding device and decoding device |
| EP1527442B1 (en) | 2002-08-01 | 2006-04-05 | Matsushita Electric Industrial Co., Ltd. | Audio decoding apparatus and audio decoding method based on spectral band replication |
| CN1757060B (zh) * | 2003-03-15 | 2012-08-15 | 曼德斯必德技术公司 | Celp语音编码的话音指数控制 |
| CN101556801B (zh) | 2003-10-23 | 2012-06-20 | 松下电器产业株式会社 | 声音频谱编解码装置、声音信号发送和接收装置及方法 |
| JP2006023658A (ja) | 2004-07-09 | 2006-01-26 | Matsushita Electric Ind Co Ltd | オーディオ信号符号化装置及びオーディオ信号符号化方法 |
| KR100956525B1 (ko) | 2005-04-01 | 2010-05-07 | 퀄컴 인코포레이티드 | 스피치 신호의 스플릿 대역 인코딩을 위한 방법 및 장치 |
| TWI271703B (en) | 2005-07-22 | 2007-01-21 | Pixart Imaging Inc | Audio encoder and method thereof |
| JP2007333785A (ja) | 2006-06-12 | 2007-12-27 | Matsushita Electric Ind Co Ltd | オーディオ信号符号化装置およびオーディオ信号符号化方法 |
| US8260609B2 (en) * | 2006-07-31 | 2012-09-04 | Qualcomm Incorporated | Systems, methods, and apparatus for wideband encoding and decoding of inactive frames |
| TWI308740B (en) | 2007-01-23 | 2009-04-11 | Ind Tech Res Inst | Method of a voice signal processing |
-
2009
- 2009-06-23 CN CN200980100701XA patent/CN101836253B/zh active Active
- 2009-06-23 AT AT09776808T patent/ATE522901T1/de not_active IP Right Cessation
- 2009-06-23 MY MYPI2010000844A patent/MY150373A/en unknown
- 2009-06-23 AU AU2009267529A patent/AU2009267529B2/en active Active
- 2009-06-23 WO PCT/EP2009/004520 patent/WO2010003543A1/en not_active Ceased
- 2009-06-23 EP EP09776808A patent/EP2176862B1/en active Active
- 2009-06-23 JP JP2010530495A patent/JP5010743B2/ja active Active
- 2009-06-23 CA CA2699316A patent/CA2699316C/en active Active
- 2009-06-23 BR BRPI0904958-4A patent/BRPI0904958B1/pt active IP Right Grant
- 2009-06-23 PL PL09776808T patent/PL2176862T3/pl unknown
- 2009-06-23 RU RU2010109206/08A patent/RU2443028C2/ru active
- 2009-06-23 US US12/740,610 patent/US8788276B2/en active Active
- 2009-06-23 KR KR1020107007278A patent/KR101182258B1/ko active Active
- 2009-06-23 ES ES09776808T patent/ES2372014T3/es active Active
- 2009-07-06 TW TW098122754A patent/TWI457914B/zh active
- 2009-07-07 AR ARP090102550A patent/AR072703A1/es active IP Right Grant
-
2010
- 2010-02-09 ZA ZA2010/00941A patent/ZA201000941B/en unknown
- 2010-02-14 IL IL203928A patent/IL203928A/en active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| US20110099018A1 (en) | 2011-04-28 |
| MY150373A (en) | 2013-12-31 |
| CN101836253B (zh) | 2012-06-13 |
| PL2176862T3 (pl) | 2012-03-30 |
| JP5010743B2 (ja) | 2012-08-29 |
| ZA201000941B (en) | 2011-04-28 |
| AU2009267529A1 (en) | 2010-01-14 |
| BRPI0904958B1 (pt) | 2020-03-03 |
| CN101836253A (zh) | 2010-09-15 |
| JP2011501225A (ja) | 2011-01-06 |
| AR072703A1 (es) | 2010-09-15 |
| TWI457914B (zh) | 2014-10-21 |
| CA2699316A1 (en) | 2010-01-14 |
| EP2176862B1 (en) | 2011-08-31 |
| AU2009267529B2 (en) | 2011-03-03 |
| RU2010109206A (ru) | 2011-09-20 |
| ATE522901T1 (de) | 2011-09-15 |
| IL203928A (en) | 2013-06-27 |
| ES2372014T3 (es) | 2012-01-13 |
| KR101182258B1 (ko) | 2012-09-14 |
| TW201007709A (en) | 2010-02-16 |
| US8788276B2 (en) | 2014-07-22 |
| EP2176862A1 (en) | 2010-04-21 |
| RU2443028C2 (ru) | 2012-02-20 |
| WO2010003543A1 (en) | 2010-01-14 |
| KR20100083135A (ko) | 2010-07-21 |
| CA2699316C (en) | 2014-03-18 |
| HK1142432A1 (en) | 2010-12-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B06F | Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette] | ||
| B06U | Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette] | ||
| B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
| B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] |
Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 03/03/2020, OBSERVADAS AS CONDICOES LEGAIS. |