BR112015031605A2 - decodificador de áudio tendo um módulo de extensão de largura de banda com um módulo de ajuste de energia - Google Patents
decodificador de áudio tendo um módulo de extensão de largura de banda com um módulo de ajuste de energiaInfo
- Publication number
- BR112015031605A2 BR112015031605A2 BR112015031605A BR112015031605A BR112015031605A2 BR 112015031605 A2 BR112015031605 A2 BR 112015031605A2 BR 112015031605 A BR112015031605 A BR 112015031605A BR 112015031605 A BR112015031605 A BR 112015031605A BR 112015031605 A2 BR112015031605 A2 BR 112015031605A2
- Authority
- BR
- Brazil
- Prior art keywords
- audio
- signal
- bandwidth
- audio signal
- coreband
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/0204—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 subband decomposition
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/028—Noise substitution, i.e. substituting non-tonal spectral components by noisy source
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal 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
Abstract
resumo de patente de invenção para: decodificador de áudio tendo um módulo de extensão de largura de banda com um módulo de ajuste de energia. um decodificador de áudio configurado para produzir um sinal de áudio de um fluxo de bits contendo quadros de áudio é proporcionado, o decodificador de áudio compreende: um módulo de decodificação de banda de núcleo configurado para derivar um sinal de áudio de banda de núcleo diretamente decodificado do fluxo de bits; um módulo de extensão de largura de banda configurado para derivar um sinal de áudio de extensão de largura de banda parametricamente decodificado do sinal de áudio de banda de núcleo e do fluxo de bits, em que o sinal de áudio de extensão de largura de banda é baseado em um sinal no domínio de frequência tendo pelo menos uma banda de frequências; e um combinador configurado para combinar o sinal de áudio de banda de núcleo e o sinal de áudio de extensão de largura de banda de modo a produzir o sinal de áudio; em que o módulo de extensão de largura de banda compreende um módulo de ajuste de energia sendo configurado de tal maneira que em um quadro de áudio corrente, em que uma perda de quadro de áudio ocorre, uma energia de sinal ajustada para o quadro de áudio corrente para a pelo menos uma banda de frequências é estabelecida com base em um fator de ganho corrente para o quadro de áudio corrente, em que o fator de ganho corrente é derivado de um fator de ganho de um quadro de áudio anterior ou do fluxo de bits; e com base em uma energia de sinal estimada para a pelo menos uma banda de frequências, em que a energia de sinal estimada é derivada de um espectro do quadro de áudio corrente do sinal de áudio de banda de núcleo. (figura 4)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13173152.3 | 2013-06-21 | ||
| EP13173152 | 2013-06-21 | ||
| EP14167050 | 2014-05-05 | ||
| EP14167050.5 | 2014-05-05 | ||
| PCT/EP2014/062902 WO2014202701A1 (en) | 2013-06-21 | 2014-06-18 | Audio decoder having a bandwidth extension module with an energy adjusting module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112015031605A2 true BR112015031605A2 (pt) | 2017-07-25 |
| BR112015031605B1 BR112015031605B1 (pt) | 2022-03-29 |
Family
ID=51022308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112015031605-0A BR112015031605B1 (pt) | 2013-06-21 | 2014-06-18 | Decodificador de áudio tendo um módulo de extensão de largura de banda com um módulo de ajuste de energia |
Country Status (18)
| Country | Link |
|---|---|
| US (2) | US10096322B2 (pt) |
| EP (1) | EP3011560B1 (pt) |
| JP (1) | JP6228298B2 (pt) |
| KR (2) | KR20170124590A (pt) |
| CN (1) | CN105431898B (pt) |
| AU (1) | AU2014283285B2 (pt) |
| BR (1) | BR112015031605B1 (pt) |
| CA (1) | CA2915001C (pt) |
| ES (1) | ES2697474T3 (pt) |
| HK (1) | HK1224368A1 (pt) |
| MX (1) | MX358362B (pt) |
| MY (1) | MY169410A (pt) |
| PL (1) | PL3011560T3 (pt) |
| PT (1) | PT3011560T (pt) |
| RU (1) | RU2642894C2 (pt) |
| SG (1) | SG11201510458UA (pt) |
| TW (1) | TWI564883B (pt) |
| WO (1) | WO2014202701A1 (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2697474T3 (es) * | 2013-06-21 | 2019-01-24 | Fraunhofer Ges Forschung | Decodificador de audio que tiene un módulo de extensión de ancho de banda con un módulo de ajuste de energía |
| WO2015105775A1 (en) * | 2014-01-07 | 2015-07-16 | Harman International Industries, Incorporated | Signal quality-based enhancement and compensation of compressed audio signals |
| JP7214726B2 (ja) * | 2017-10-27 | 2023-01-30 | 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 | ニューラルネットワークプロセッサを用いた帯域幅が拡張されたオーディオ信号を生成するための装置、方法またはコンピュータプログラム |
| CN109668917B (zh) * | 2018-09-29 | 2020-06-19 | 中国科学院高能物理研究所 | 一种利用单色器获得不同能量带宽x射线的方法 |
| CN113324546B (zh) * | 2021-05-24 | 2022-12-13 | 哈尔滨工程大学 | 罗经失效下的多潜航器协同定位自适应调节鲁棒滤波方法 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6009117A (en) * | 1996-09-17 | 1999-12-28 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Spread spectrum communication system |
| US6351730B2 (en) * | 1998-03-30 | 2002-02-26 | Lucent Technologies Inc. | Low-complexity, low-delay, scalable and embedded speech and audio coding with adaptive frame loss concealment |
| US6763142B2 (en) * | 2001-09-07 | 2004-07-13 | Nline Corporation | System and method for correlated noise removal in complex imaging systems |
| CA2388439A1 (en) * | 2002-05-31 | 2003-11-30 | Voiceage Corporation | A method and device for efficient frame erasure concealment in linear predictive based speech codecs |
| US6985856B2 (en) * | 2002-12-31 | 2006-01-10 | Nokia Corporation | Method and device for compressed-domain packet loss concealment |
| MX2007012187A (es) * | 2005-04-01 | 2007-12-11 | Qualcomm Inc | Sistemas, metodos y aparatos para deformacion en tiempo de banda alta. |
| JP5100380B2 (ja) * | 2005-06-29 | 2012-12-19 | パナソニック株式会社 | スケーラブル復号装置および消失データ補間方法 |
| US8374857B2 (en) * | 2006-08-08 | 2013-02-12 | Stmicroelectronics Asia Pacific Pte, Ltd. | Estimating rate controlling parameters in perceptual audio encoders |
| US8433582B2 (en) * | 2008-02-01 | 2013-04-30 | Motorola Mobility Llc | Method and apparatus for estimating high-band energy in a bandwidth extension system |
| ES2539304T3 (es) * | 2008-07-11 | 2015-06-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Un aparato y un método para generar datos de salida por ampliación de ancho de banda |
| WO2010051857A1 (en) * | 2008-11-10 | 2010-05-14 | Oticon A/S | N band fm demodulation to aid cochlear hearing impaired persons |
| US8718804B2 (en) * | 2009-05-05 | 2014-05-06 | Huawei Technologies Co., Ltd. | System and method for correcting for lost data in a digital audio signal |
| US8428938B2 (en) * | 2009-06-04 | 2013-04-23 | Qualcomm Incorporated | Systems and methods for reconstructing an erased speech frame |
| US9047875B2 (en) * | 2010-07-19 | 2015-06-02 | Futurewei Technologies, Inc. | Spectrum flatness control for bandwidth extension |
| CA3203400C (en) * | 2010-07-19 | 2023-09-26 | Dolby International Ab | Processing of audio signals during high frequency reconstruction |
| KR101826331B1 (ko) * | 2010-09-15 | 2018-03-22 | 삼성전자주식회사 | 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법 |
| WO2012131438A1 (en) * | 2011-03-31 | 2012-10-04 | Nokia Corporation | A low band bandwidth extender |
| US8909539B2 (en) * | 2011-12-07 | 2014-12-09 | Gwangju Institute Of Science And Technology | Method and device for extending bandwidth of speech signal |
| EP2950308B1 (en) * | 2013-01-22 | 2020-02-19 | Panasonic Corporation | Bandwidth expansion parameter-generator, encoder, decoder, bandwidth expansion parameter-generating method, encoding method, and decoding method |
| ES2697474T3 (es) * | 2013-06-21 | 2019-01-24 | Fraunhofer Ges Forschung | Decodificador de audio que tiene un módulo de extensión de ancho de banda con un módulo de ajuste de energía |
-
2014
- 2014-06-18 ES ES14733125T patent/ES2697474T3/es active Active
- 2014-06-18 AU AU2014283285A patent/AU2014283285B2/en active Active
- 2014-06-18 CA CA2915001A patent/CA2915001C/en active Active
- 2014-06-18 KR KR1020177028465A patent/KR20170124590A/ko not_active Application Discontinuation
- 2014-06-18 WO PCT/EP2014/062902 patent/WO2014202701A1/en active Application Filing
- 2014-06-18 MX MX2015017846A patent/MX358362B/es active IP Right Grant
- 2014-06-18 CN CN201480035519.1A patent/CN105431898B/zh active Active
- 2014-06-18 RU RU2016101607A patent/RU2642894C2/ru active
- 2014-06-18 PL PL14733125T patent/PL3011560T3/pl unknown
- 2014-06-18 KR KR1020167001236A patent/KR101991421B1/ko active IP Right Grant
- 2014-06-18 MY MYPI2015002997A patent/MY169410A/en unknown
- 2014-06-18 BR BR112015031605-0A patent/BR112015031605B1/pt active IP Right Grant
- 2014-06-18 PT PT14733125T patent/PT3011560T/pt unknown
- 2014-06-18 SG SG11201510458UA patent/SG11201510458UA/en unknown
- 2014-06-18 JP JP2016520479A patent/JP6228298B2/ja active Active
- 2014-06-18 EP EP14733125.0A patent/EP3011560B1/en active Active
- 2014-06-20 TW TW103121378A patent/TWI564883B/zh active
-
2015
- 2015-12-18 US US14/974,253 patent/US10096322B2/en active Active
-
2016
- 2016-10-27 HK HK16112361.8A patent/HK1224368A1/zh unknown
-
2018
- 2018-09-27 US US16/144,517 patent/US20190027153A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| MX358362B (es) | 2018-08-15 |
| SG11201510458UA (en) | 2016-01-28 |
| PT3011560T (pt) | 2018-11-09 |
| CA2915001C (en) | 2019-04-02 |
| EP3011560A1 (en) | 2016-04-27 |
| US10096322B2 (en) | 2018-10-09 |
| MY169410A (en) | 2019-04-01 |
| RU2642894C2 (ru) | 2018-01-29 |
| KR20170124590A (ko) | 2017-11-10 |
| AU2014283285A1 (en) | 2016-02-11 |
| HK1224368A1 (zh) | 2017-08-18 |
| BR112015031605B1 (pt) | 2022-03-29 |
| TW201513097A (zh) | 2015-04-01 |
| EP3011560B1 (en) | 2018-08-01 |
| US20190027153A1 (en) | 2019-01-24 |
| TWI564883B (zh) | 2017-01-01 |
| JP2016530548A (ja) | 2016-09-29 |
| CN105431898B (zh) | 2019-09-06 |
| RU2016101607A (ru) | 2017-07-26 |
| KR20160024920A (ko) | 2016-03-07 |
| JP6228298B2 (ja) | 2017-11-08 |
| WO2014202701A1 (en) | 2014-12-24 |
| CA2915001A1 (en) | 2014-12-24 |
| PL3011560T3 (pl) | 2019-01-31 |
| AU2014283285B2 (en) | 2017-09-21 |
| KR101991421B1 (ko) | 2019-06-21 |
| CN105431898A (zh) | 2016-03-23 |
| MX2015017846A (es) | 2016-04-18 |
| ES2697474T3 (es) | 2019-01-24 |
| US20160180854A1 (en) | 2016-06-23 |
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Legal Events
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| 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] | ||
| B350 | Update of information on the portal [chapter 15.35 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: 20 (VINTE) ANOS CONTADOS A PARTIR DE 18/06/2014, OBSERVADAS AS CONDICOES LEGAIS. |