BRPI0919880A2 - proteção de limitação de sinal que utiliza metadados de ganho de áudio preexistentes - Google Patents
proteção de limitação de sinal que utiliza metadados de ganho de áudio preexistentesInfo
- Publication number
- BRPI0919880A2 BRPI0919880A2 BRPI0919880A BRPI0919880A BRPI0919880A2 BR PI0919880 A2 BRPI0919880 A2 BR PI0919880A2 BR PI0919880 A BRPI0919880 A BR PI0919880A BR PI0919880 A BRPI0919880 A BR PI0919880A BR PI0919880 A2 BRPI0919880 A2 BR PI0919880A2
- Authority
- BR
- Brazil
- Prior art keywords
- existing audio
- limitation protection
- audio gain
- utilizes pre
- gain metadata
- 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
- G10L19/173—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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Control Of Amplification And Gain Control (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10943308P | 2008-10-29 | 2008-10-29 | |
| US61/109,433 | 2008-10-29 | ||
| PCT/US2009/062004 WO2010053728A1 (en) | 2008-10-29 | 2009-10-26 | Signal clipping protection using pre-existing audio gain metadata |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BRPI0919880A2 true BRPI0919880A2 (pt) | 2015-12-15 |
| BRPI0919880B1 BRPI0919880B1 (pt) | 2020-03-03 |
Family
ID=41508867
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI0919880-6A BRPI0919880B1 (pt) | 2008-10-29 | 2009-10-26 | Método e aparelho para prover proteção contra o ceifamento de sinal de um sinal de áudio derivado de dados de áudio digital e transcodificador |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US8892450B2 (pt) |
| EP (5) | EP4528726B1 (pt) |
| JP (1) | JP5603339B2 (pt) |
| CN (1) | CN102203854B (pt) |
| BR (1) | BRPI0919880B1 (pt) |
| ES (2) | ES3016645T3 (pt) |
| RU (1) | RU2468451C1 (pt) |
| TW (1) | TWI416505B (pt) |
| WO (1) | WO2010053728A1 (pt) |
Families Citing this family (42)
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| WO2009086174A1 (en) | 2007-12-21 | 2009-07-09 | Srs Labs, Inc. | System for adjusting perceived loudness of audio signals |
| TWI501580B (zh) | 2009-08-07 | 2015-09-21 | Dolby Int Ab | 資料串流的鑑別 |
| US8538042B2 (en) | 2009-08-11 | 2013-09-17 | Dts Llc | System for increasing perceived loudness of speakers |
| TWI413110B (zh) | 2009-10-06 | 2013-10-21 | Dolby Int Ab | 以選擇性通道解碼的有效多通道信號處理 |
| WO2011048010A1 (en) | 2009-10-19 | 2011-04-28 | Dolby International Ab | Metadata time marking information for indicating a section of an audio object |
| US9508356B2 (en) * | 2010-04-19 | 2016-11-29 | Panasonic Intellectual Property Corporation Of America | Encoding device, decoding device, encoding method and decoding method |
| CN101951504B (zh) * | 2010-09-07 | 2012-07-25 | 中国科学院深圳先进技术研究院 | 基于重叠边界的多媒体切片转码方法和系统 |
| CN102005206B (zh) * | 2010-11-16 | 2012-07-25 | 华平信息技术股份有限公司 | 多路音频帧的混音方法 |
| TWI581250B (zh) * | 2010-12-03 | 2017-05-01 | 杜比實驗室特許公司 | 利用多媒體處理節點之適應性處理技術 |
| JP5719966B2 (ja) | 2011-04-08 | 2015-05-20 | ドルビー ラボラトリーズ ライセンシング コーポレイション | ２つのエンコードされたビットストリームからのオーディオストリームの混合において使用するためのメタデータの自動設定 |
| IN2014KN01222A (pt) * | 2011-12-15 | 2015-10-16 | Fraunhofer Ges Forschung | |
| US9312829B2 (en) | 2012-04-12 | 2016-04-12 | Dts Llc | System for adjusting loudness of audio signals in real time |
| US10844689B1 (en) | 2019-12-19 | 2020-11-24 | Saudi Arabian Oil Company | Downhole ultrasonic actuator system for mitigating lost circulation |
| ES3064789T3 (en) | 2012-05-18 | 2026-04-29 | Dolby Laboratories Licensing Corp | System and method for dynamic range control of an audio signal |
| CN102968995B (zh) * | 2012-11-16 | 2018-10-02 | 新奥特（北京）视频技术有限公司 | 一种音频信号的混音方法及装置 |
| 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 |
| BR112015017064B1 (pt) * | 2013-01-21 | 2022-03-22 | Dolby Laboratories Licensing Corporation | Método, meio legível em computador e aparelho para otimizar o nível de intensidade do som e a faixa dinâmica através de dispositivos de reprodução diferentes |
| CA2898567C (en) * | 2013-01-28 | 2018-09-18 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Method and apparatus for normalized audio playback of media with and without embedded loudness metadata on new media devices |
| US9715880B2 (en) | 2013-02-21 | 2017-07-25 | Dolby International Ab | Methods for parametric multi-channel encoding |
| US9559651B2 (en) * | 2013-03-29 | 2017-01-31 | Apple Inc. | Metadata for loudness and dynamic range control |
| WO2014165543A1 (en) | 2013-04-05 | 2014-10-09 | Dolby Laboratories Licensing Corporation | Companding apparatus and method to reduce quantization noise using advanced spectral extension |
| 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 |
| EP4683219A3 (en) | 2013-09-12 | 2026-03-25 | Dolby Laboratories Licensing Corporation | Dynamic range control for a wide variety of playback environments |
| WO2015038522A1 (en) | 2013-09-12 | 2015-03-19 | Dolby Laboratories Licensing Corporation | Loudness adjustment for downmixed audio content |
| AU2014339086B2 (en) * | 2013-10-22 | 2017-12-21 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Concept for combined dynamic range compression and guided clipping prevention for audio devices |
| US9769550B2 (en) | 2013-11-06 | 2017-09-19 | Nvidia Corporation | Efficient digital microphone receiver process and system |
| US9454975B2 (en) * | 2013-11-07 | 2016-09-27 | Nvidia Corporation | Voice trigger |
| RU2658888C2 (ru) | 2014-03-24 | 2018-06-25 | Долби Интернэшнл Аб | Способ и устройство для применения сжатия динамического диапазона к сигналу амбиофонии высшего порядка |
| BR112016021382B1 (pt) | 2014-03-25 | 2021-02-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V | dispositivo codificador de áudio e um dispositivo decodificador de áudio com codificação de ganho eficiente no controle de gama dinâmica |
| US9654076B2 (en) | 2014-03-25 | 2017-05-16 | Apple Inc. | Metadata for ducking control |
| CN113035214B (zh) * | 2014-09-12 | 2024-07-09 | 索尼公司 | 接收装置 |
| CN119132317A (zh) * | 2014-10-01 | 2024-12-13 | 杜比国际公司 | 高效drc配置文件传输 |
| FR3031852B1 (fr) * | 2015-01-19 | 2018-05-11 | Devialet | Amplificateur a reglage de niveau sonore automatique |
| US10553228B2 (en) * | 2015-04-07 | 2020-02-04 | Dolby International Ab | Audio coding with range extension |
| KR20160132574A (ko) * | 2015-05-11 | 2016-11-21 | 현대자동차주식회사 | 자동이득제어모듈, 그 제어방법, 이를 포함하는 차량, 및 그 제어방법 |
| US10109288B2 (en) * | 2015-05-27 | 2018-10-23 | Apple Inc. | Dynamic range and peak control in audio using nonlinear filters |
| US10015612B2 (en) | 2016-05-25 | 2018-07-03 | Dolby Laboratories Licensing Corporation | Measurement, verification and correction of time alignment of multiple audio channels and associated metadata |
| CN109005452A (zh) * | 2018-10-09 | 2018-12-14 | 深圳市亿联智能有限公司 | 一种应用于智能机顶盒的串行混音方法 |
| KR102837743B1 (ko) | 2018-11-13 | 2025-07-23 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 오디오 신호 및 연관된 메타데이터에 의해 공간 오디오를 표현하는 것 |
| ES2974219T3 (es) | 2018-11-13 | 2024-06-26 | Dolby Laboratories Licensing Corp | Procesamiento de audio en servicios de audio inversivos |
| US12177646B2 (en) * | 2020-05-26 | 2024-12-24 | Dolby International Ab | Main-associated audio experience with efficient ducking gain application |
| CN112153533B (zh) * | 2020-09-25 | 2021-09-07 | 展讯通信（上海）有限公司 | 音频信号的破音消除方法及装置、存储介质、终端 |
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| US8208659B2 (en) * | 2008-03-27 | 2012-06-26 | Analog Devices Bv | Method and apparatus for scaling signals to prevent amplitude clipping |
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| US8798776B2 (en) | 2008-09-30 | 2014-08-05 | Dolby International Ab | Transcoding of audio metadata |
| KR101722747B1 (ko) | 2015-02-25 | 2017-04-03 | 주식회사 제일메디칼코퍼레이션 | 본 플레이트 시스템 |
-
2009
- 2009-10-26 ES ES23202859T patent/ES3016645T3/es active Active
- 2009-10-26 CN CN2009801426899A patent/CN102203854B/zh active Active
- 2009-10-26 EP EP25151615.9A patent/EP4528726B1/en active Active
- 2009-10-26 JP JP2011534654A patent/JP5603339B2/ja active Active
- 2009-10-26 WO PCT/US2009/062004 patent/WO2010053728A1/en not_active Ceased
- 2009-10-26 EP EP23202859.7A patent/EP4293665B1/en active Active
- 2009-10-26 BR BRPI0919880-6A patent/BRPI0919880B1/pt active IP Right Grant
- 2009-10-26 EP EP26162657.6A patent/EP4730328A3/en active Pending
- 2009-10-26 ES ES17166101T patent/ES2963744T3/es active Active
- 2009-10-26 RU RU2011121587/08A patent/RU2468451C1/ru active
- 2009-10-26 EP EP09744862.5A patent/EP2353161B1/en active Active
- 2009-10-26 US US13/125,846 patent/US8892450B2/en active Active
- 2009-10-26 EP EP17166101.0A patent/EP3217395B1/en active Active
- 2009-10-26 TW TW098136170A patent/TWI416505B/zh active
Also Published As
| Publication number | Publication date |
|---|---|
| JP5603339B2 (ja) | 2014-10-08 |
| EP4528726B1 (en) | 2026-03-18 |
| JP2012507059A (ja) | 2012-03-22 |
| EP4293665A3 (en) | 2024-01-10 |
| CN102203854A (zh) | 2011-09-28 |
| EP4293665A2 (en) | 2023-12-20 |
| EP4293665B1 (en) | 2025-01-22 |
| EP3217395A1 (en) | 2017-09-13 |
| TWI416505B (zh) | 2013-11-21 |
| EP2353161A1 (en) | 2011-08-10 |
| EP3217395B1 (en) | 2023-10-11 |
| ES3016645T3 (en) | 2025-05-09 |
| US20110208528A1 (en) | 2011-08-25 |
| RU2468451C1 (ru) | 2012-11-27 |
| ES2963744T3 (es) | 2024-04-01 |
| EP4528726A1 (en) | 2025-03-26 |
| EP4730328A2 (en) | 2026-04-22 |
| TW201042637A (en) | 2010-12-01 |
| EP2353161B1 (en) | 2017-05-24 |
| BRPI0919880B1 (pt) | 2020-03-03 |
| EP4730328A3 (en) | 2026-04-29 |
| WO2010053728A1 (en) | 2010-05-14 |
| CN102203854B (zh) | 2013-01-02 |
| US8892450B2 (en) | 2014-11-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B15K | Others concerning applications: alteration of classification |
Ipc: G10L 19/16 (2013.01), G10L 19/008 (2013.01) |
|
| 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. |
|
| B25G | Requested change of headquarter approved |
Owner name: DOLBY INTERNATIONAL AB (IE) |