BR112015017293A2 - ajuste do nível do domínio de tempo para descodificação ou codificação do sinal de áudio - Google Patents
ajuste do nível do domínio de tempo para descodificação ou codificação do sinal de áudioInfo
- Publication number
- BR112015017293A2 BR112015017293A2 BR112015017293A BR112015017293A BR112015017293A2 BR 112015017293 A2 BR112015017293 A2 BR 112015017293A2 BR 112015017293 A BR112015017293 A BR 112015017293A BR 112015017293 A BR112015017293 A BR 112015017293A BR 112015017293 A2 BR112015017293 A2 BR 112015017293A2
- Authority
- BR
- Brazil
- Prior art keywords
- encoding
- audio signal
- time domain
- level adjustment
- signal decoding
- Prior art date
Links
- 230000005236 sound signal 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
- 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
-
- 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
- G10L19/0017—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
- G10L19/0018—Speech coding using phonetic or linguistical decoding of the source; Reconstruction using text-to-speech synthesis
-
- 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
- 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
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0224—Processing in the time domain
-
- 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
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0232—Processing in the frequency domain
-
- 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
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0324—Details of processing therefor
- G10L21/0332—Details of processing therefor involving modification of waveforms
-
- 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
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0324—Details of processing therefor
- G10L21/034—Automatic adjustment
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13151910.0 | 2013-01-18 | ||
| EP13151910.0A EP2757558A1 (en) | 2013-01-18 | 2013-01-18 | Time domain level adjustment for audio signal decoding or encoding |
| PCT/EP2014/050171 WO2014111290A1 (en) | 2013-01-18 | 2014-01-07 | Time domain level adjustment for audio signal decoding or encoding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112015017293A2 true BR112015017293A2 (pt) | 2018-05-15 |
| BR112015017293B1 BR112015017293B1 (pt) | 2021-12-21 |
Family
ID=47603376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112015017293-8A BR112015017293B1 (pt) | 2013-01-18 | 2014-01-07 | Decodificador e codificador do sinal de áudio, método para decodificar uma representação do sinal de áudio codificado e para prover uma representação correspondente do sinal áudio decodificado e método de codificação de sinal de áudio para prover uma representação de sinal de áudio codificado com base na representação do domínio-tempo de um sinal de entrada de áudio |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US9830915B2 (pt) |
| EP (2) | EP2757558A1 (pt) |
| JP (1) | JP6184519B2 (pt) |
| KR (2) | KR101953648B1 (pt) |
| CN (1) | CN105210149B (pt) |
| BR (1) | BR112015017293B1 (pt) |
| CA (1) | CA2898005C (pt) |
| ES (1) | ES2604983T3 (pt) |
| MX (1) | MX346358B (pt) |
| RU (1) | RU2608878C1 (pt) |
| WO (1) | WO2014111290A1 (pt) |
Families Citing this family (38)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1805891B1 (en) | 2004-10-26 | 2012-05-16 | Dolby Laboratories Licensing Corporation | Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
| TWI529703B (zh) | 2010-02-11 | 2016-04-11 | 杜比實驗室特許公司 | 用以非破壞地正常化可攜式裝置中音訊訊號響度之系統及方法 |
| CN103325380B (zh) | 2012-03-23 | 2017-09-12 | 杜比实验室特许公司 | 用于信号增强的增益后处理 |
| US10844689B1 (en) | 2019-12-19 | 2020-11-24 | Saudi Arabian Oil Company | Downhole ultrasonic actuator system for mitigating lost circulation |
| CN104303229B (zh) | 2012-05-18 | 2017-09-12 | 杜比实验室特许公司 | 用于维持与参数音频编码器相关联的可逆动态范围控制信息的*** |
| EP2757558A1 (en) * | 2013-01-18 | 2014-07-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Time domain level adjustment for audio signal decoding or encoding |
| MX2021011251A (es) | 2013-01-21 | 2022-10-28 | Dolby Laboratories Licensing Corp | Codificador y decodificador de audio con metadatos de límite y sonoridad de programa. |
| ES2624419T3 (es) | 2013-01-21 | 2017-07-14 | Dolby Laboratories Licensing Corporation | Sistema y procedimiento para optimizar la sonoridad y el rango dinámico a través de diferentes dispositivos de reproducción |
| CN105074818B (zh) | 2013-02-21 | 2019-08-13 | 杜比国际公司 | 音频编码***、用于产生比特流的方法以及音频解码器 |
| CN107093991B (zh) | 2013-03-26 | 2020-10-09 | 杜比实验室特许公司 | 基于目标响度的响度归一化方法和设备 |
| EP2981910A1 (en) | 2013-04-05 | 2016-02-10 | Dolby Laboratories Licensing Corporation | Acquisition, recovery, and matching of unique information from file-based media for automated file detection |
| TWM487509U (zh) | 2013-06-19 | 2014-10-01 | 杜比實驗室特許公司 | 音訊處理設備及電子裝置 |
| CN104301064B (zh) | 2013-07-16 | 2018-05-04 | 华为技术有限公司 | 处理丢失帧的方法和解码器 |
| EP4379714A2 (en) | 2013-09-12 | 2024-06-05 | Dolby Laboratories Licensing Corporation | Loudness adjustment for downmixed audio content |
| WO2015038475A1 (en) | 2013-09-12 | 2015-03-19 | Dolby Laboratories Licensing Corporation | Dynamic range control for a wide variety of playback environments |
| KR20160090796A (ko) * | 2013-11-27 | 2016-08-01 | 마이크로칩 테크놀로지 인코포레이티드 | 메인 클록의 높은 정밀 발진기 |
| CN105142067B (zh) | 2014-05-26 | 2020-01-07 | 杜比实验室特许公司 | 音频信号响度控制 |
| CN106683681B (zh) | 2014-06-25 | 2020-09-25 | 华为技术有限公司 | 处理丢失帧的方法和装置 |
| US10453467B2 (en) | 2014-10-10 | 2019-10-22 | Dolby Laboratories Licensing Corporation | Transmission-agnostic presentation-based program loudness |
| US10475463B2 (en) * | 2015-02-10 | 2019-11-12 | Sony Corporation | Transmission device, transmission method, reception device, and reception method for audio streams |
| CN104795072A (zh) * | 2015-03-25 | 2015-07-22 | 无锡天脉聚源传媒科技有限公司 | 一种音频数据的编码方法及装置 |
| CN105662706B (zh) * | 2016-01-07 | 2018-06-05 | 深圳大学 | 增强时域表达的人工耳蜗信号处理方法及*** |
| CN109328382B (zh) * | 2016-06-22 | 2023-06-16 | 杜比国际公司 | 用于将数字音频信号从第一频域变换到第二频域的音频解码器及方法 |
| KR102565447B1 (ko) * | 2017-07-26 | 2023-08-08 | 삼성전자주식회사 | 청각 인지 속성에 기반하여 디지털 오디오 신호의 이득을 조정하는 전자 장치 및 방법 |
| US10942914B2 (en) * | 2017-10-19 | 2021-03-09 | Adobe Inc. | Latency optimization for digital asset compression |
| US11086843B2 (en) | 2017-10-19 | 2021-08-10 | Adobe Inc. | Embedding codebooks for resource optimization |
| US11120363B2 (en) | 2017-10-19 | 2021-09-14 | Adobe Inc. | Latency mitigation for encoding data |
| EP3483882A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Controlling bandwidth in encoders and/or decoders |
| EP3483884A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Signal filtering |
| 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 |
| 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 |
| 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 |
| EP3483886A1 (en) | 2017-11-10 | 2019-05-15 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Selecting pitch lag |
| US10331400B1 (en) * | 2018-02-22 | 2019-06-25 | Cirrus Logic, Inc. | Methods and apparatus for soft clipping |
| CN109286922B (zh) * | 2018-09-27 | 2021-09-17 | 珠海市杰理科技股份有限公司 | 蓝牙提示音处理方法、***、可读存储介质和蓝牙设备 |
| EP3925236B1 (en) * | 2019-02-13 | 2024-07-17 | Dolby Laboratories Licensing Corporation | Adaptive loudness normalization for audio object clustering |
| US11322127B2 (en) * | 2019-07-17 | 2022-05-03 | Silencer Devices, LLC. | Noise cancellation with improved frequency resolution |
| CN111342937B (zh) * | 2020-03-17 | 2022-05-06 | 北京百瑞互联技术有限公司 | 一种动态调整编解码处理器电压和/或频率的方法和装置 |
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| WO1996018996A1 (en) | 1994-12-15 | 1996-06-20 | British Telecommunications Public Limited Company | Speech processing |
| US6280309B1 (en) | 1995-10-19 | 2001-08-28 | Norton Company | Accessories and attachments for angle grinder |
| US5796842A (en) * | 1996-06-07 | 1998-08-18 | That Corporation | BTSC encoder |
| US6289309B1 (en) * | 1998-12-16 | 2001-09-11 | Sarnoff Corporation | Noise spectrum tracking for speech enhancement |
| JP3681105B2 (ja) * | 2000-02-24 | 2005-08-10 | アルパイン株式会社 | データ処理方式 |
| AU2000233851A1 (en) * | 2000-02-29 | 2001-09-12 | Qualcomm Incorporated | Closed-loop multimode mixed-domain linear prediction speech coder |
| US6651040B1 (en) * | 2000-05-31 | 2003-11-18 | International Business Machines Corporation | Method for dynamic adjustment of audio input gain in a speech system |
| CA2359771A1 (en) * | 2001-10-22 | 2003-04-22 | Dspfactory Ltd. | Low-resource real-time audio synthesis system and method |
| JP2003280691A (ja) * | 2002-03-19 | 2003-10-02 | Sanyo Electric Co Ltd | 音声処理方法および音声処理装置 |
| US20050004793A1 (en) * | 2003-07-03 | 2005-01-06 | Pasi Ojala | Signal adaptation for higher band coding in a codec utilizing band split coding |
| 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 |
| US7751572B2 (en) * | 2005-04-15 | 2010-07-06 | Dolby International Ab | Adaptive residual audio coding |
| WO2007037361A1 (ja) * | 2005-09-30 | 2007-04-05 | Matsushita Electric Industrial Co., Ltd. | 音声符号化装置および音声符号化方法 |
| DE102006022346B4 (de) * | 2006-05-12 | 2008-02-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Informationssignalcodierung |
| US8296158B2 (en) * | 2007-02-14 | 2012-10-23 | Lg Electronics Inc. | Methods and apparatuses for encoding and decoding object-based audio signals |
| US9653088B2 (en) * | 2007-06-13 | 2017-05-16 | Qualcomm Incorporated | Systems, methods, and apparatus for signal encoding using pitch-regularizing and non-pitch-regularizing coding |
| US8126578B2 (en) * | 2007-09-26 | 2012-02-28 | University Of Washington | Clipped-waveform repair in acoustic signals using generalized linear prediction |
| EP2225827B1 (en) * | 2007-12-11 | 2013-05-01 | Nxp B.V. | Prevention of audio signal clipping |
| CN101350199A (zh) * | 2008-07-29 | 2009-01-21 | 北京中星微电子有限公司 | 音频编码器及音频编码方法 |
| WO2010053728A1 (en) * | 2008-10-29 | 2010-05-14 | Dolby Laboratories Licensing Corporation | Signal clipping protection using pre-existing audio gain metadata |
| US8346547B1 (en) * | 2009-05-18 | 2013-01-01 | Marvell International Ltd. | Encoder quantization architecture for advanced audio coding |
| CA2813898C (en) * | 2010-10-07 | 2017-05-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for level estimation of coded audio frames in a bit stream domain |
| AU2012279357B2 (en) * | 2011-07-01 | 2016-01-14 | Dolby Laboratories Licensing Corporation | System and method for adaptive audio signal generation, coding and rendering |
| CN104081454B (zh) * | 2011-12-15 | 2017-03-01 | 弗劳恩霍夫应用研究促进协会 | 用于避免削波假象的设备、方法和计算机程序 |
| EP2757558A1 (en) * | 2013-01-18 | 2014-07-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Time domain level adjustment for audio signal decoding or encoding |
-
2013
- 2013-01-18 EP EP13151910.0A patent/EP2757558A1/en not_active Withdrawn
-
2014
- 2014-01-07 BR BR112015017293-8A patent/BR112015017293B1/pt active IP Right Grant
- 2014-01-07 EP EP14702195.0A patent/EP2946384B1/en active Active
- 2014-01-07 WO PCT/EP2014/050171 patent/WO2014111290A1/en active Application Filing
- 2014-01-07 CN CN201480016606.2A patent/CN105210149B/zh active Active
- 2014-01-07 RU RU2015134587A patent/RU2608878C1/ru active
- 2014-01-07 MX MX2015009171A patent/MX346358B/es active IP Right Grant
- 2014-01-07 JP JP2015553045A patent/JP6184519B2/ja active Active
- 2014-01-07 KR KR1020177024874A patent/KR101953648B1/ko active IP Right Grant
- 2014-01-07 ES ES14702195.0T patent/ES2604983T3/es active Active
- 2014-01-07 CA CA2898005A patent/CA2898005C/en active Active
- 2014-01-07 KR KR1020157021762A patent/KR20150106929A/ko active Application Filing
-
2015
- 2015-07-09 US US14/795,063 patent/US9830915B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| MX346358B (es) | 2017-03-15 |
| RU2608878C1 (ru) | 2017-01-25 |
| CN105210149A (zh) | 2015-12-30 |
| BR112015017293B1 (pt) | 2021-12-21 |
| EP2946384B1 (en) | 2016-11-02 |
| ES2604983T3 (es) | 2017-03-10 |
| US9830915B2 (en) | 2017-11-28 |
| JP2016505168A (ja) | 2016-02-18 |
| EP2946384A1 (en) | 2015-11-25 |
| CA2898005A1 (en) | 2014-07-24 |
| KR20170104661A (ko) | 2017-09-15 |
| KR20150106929A (ko) | 2015-09-22 |
| EP2757558A1 (en) | 2014-07-23 |
| US20160019898A1 (en) | 2016-01-21 |
| CA2898005C (en) | 2018-08-14 |
| WO2014111290A1 (en) | 2014-07-24 |
| CN105210149B (zh) | 2019-08-30 |
| JP6184519B2 (ja) | 2017-08-23 |
| KR101953648B1 (ko) | 2019-05-23 |
| MX2015009171A (es) | 2015-11-09 |
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