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 (3) | EP2353161B1 (pt) |
| JP (1) | JP5603339B2 (pt) |
| CN (1) | CN102203854B (pt) |
| BR (1) | BRPI0919880B1 (pt) |
| ES (1) | ES2963744T3 (pt) |
| RU (1) | RU2468451C1 (pt) |
| TW (1) | TWI416505B (pt) |
| WO (1) | WO2010053728A1 (pt) |
Families Citing this family (38)
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| US8315398B2 (en) | 2007-12-21 | 2012-11-20 | Dts Llc | 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 |
| US9105300B2 (en) | 2009-10-19 | 2015-08-11 | Dolby International Ab | Metadata time marking information for indicating a section of an audio object |
| JP5714002B2 (ja) * | 2010-04-19 | 2015-05-07 | パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ | 符号化装置、復号装置、符号化方法及び復号方法 |
| 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*** |
| 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 |
| TWI759223B (zh) * | 2010-12-03 | 2022-03-21 | 美商杜比實驗室特許公司 | 音頻解碼裝置、音頻解碼方法及音頻編碼方法 |
| EP2695161B1 (en) | 2011-04-08 | 2014-12-17 | Dolby Laboratories Licensing Corporation | Automatic configuration of metadata for use in mixing audio programs from two encoded bitstreams |
| KR101594480B1 (ko) * | 2011-12-15 | 2016-02-26 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 클립핑 아티팩트를 피하기 위한 장치, 방법 및 컴퓨터 프로그램 |
| 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 |
| 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*** |
| 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 |
| KR102331129B1 (ko) * | 2013-01-21 | 2021-12-01 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 상이한 재생 디바이스들에 걸친 라우드니스 및 동적 범위의 최적화 |
| RU2639663C2 (ru) * | 2013-01-28 | 2017-12-21 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Способ и устройство для нормализованного проигрывания аудио медиаданных с вложенными метаданными громкости и без них на новых медиаустройствах |
| 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 |
| US9947335B2 (en) | 2013-04-05 | 2018-04-17 | 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 |
| JP6476192B2 (ja) | 2013-09-12 | 2019-02-27 | 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 | 多様な再生環境のためのダイナミックレンジ制御 |
| CN105814630B (zh) * | 2013-10-22 | 2020-04-28 | 弗劳恩霍夫应用研究促进协会 | 用于音频设备的组合动态范围压缩和引导截断防止的构思 |
| 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 |
| KR102479741B1 (ko) | 2014-03-24 | 2022-12-22 | 돌비 인터네셔널 에이비 | 고차 앰비소닉스 신호에 동적 범위 압축을 적용하는 방법 및 디바이스 |
| MY186155A (en) * | 2014-03-25 | 2021-06-28 | Fraunhofer Ges Forschung | Audio encoder device and an audio decoder device having efficient gain coding in dynamic range control |
| US9654076B2 (en) | 2014-03-25 | 2017-05-16 | Apple Inc. | Metadata for ducking control |
| RU2701126C2 (ru) * | 2014-09-12 | 2019-09-24 | Сони Корпорейшн | Устройство передачи, способ передачи, устройство приема и способ приема |
| FR3031852B1 (fr) * | 2015-01-19 | 2018-05-11 | Devialet | Amplificateur a reglage de niveau sonore automatique |
| WO2016162283A1 (en) * | 2015-04-07 | 2016-10-13 | 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 |
| BR112020018466A2 (pt) | 2018-11-13 | 2021-05-18 | Dolby Laboratories Licensing Corporation | representando áudio espacial por meio de um sinal de áudio e de metadados associados |
| 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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-
2009
- 2009-10-26 CN CN2009801426899A patent/CN102203854B/zh active Active
- 2009-10-26 WO PCT/US2009/062004 patent/WO2010053728A1/en active Application Filing
- 2009-10-26 RU RU2011121587/08A patent/RU2468451C1/ru active
- 2009-10-26 TW TW098136170A patent/TWI416505B/zh active
- 2009-10-26 JP JP2011534654A patent/JP5603339B2/ja active Active
- 2009-10-26 EP EP09744862.5A patent/EP2353161B1/en active Active
- 2009-10-26 EP EP17166101.0A patent/EP3217395B1/en active Active
- 2009-10-26 ES ES17166101T patent/ES2963744T3/es active Active
- 2009-10-26 US US13/125,846 patent/US8892450B2/en active Active
- 2009-10-26 EP EP23202859.7A patent/EP4293665A3/en active Pending
- 2009-10-26 BR BRPI0919880-6A patent/BRPI0919880B1/pt active IP Right Grant
Also Published As
| Publication number | Publication date |
|---|---|
| EP2353161A1 (en) | 2011-08-10 |
| BRPI0919880B1 (pt) | 2020-03-03 |
| EP4293665A3 (en) | 2024-01-10 |
| US8892450B2 (en) | 2014-11-18 |
| JP2012507059A (ja) | 2012-03-22 |
| CN102203854A (zh) | 2011-09-28 |
| EP2353161B1 (en) | 2017-05-24 |
| JP5603339B2 (ja) | 2014-10-08 |
| TWI416505B (zh) | 2013-11-21 |
| CN102203854B (zh) | 2013-01-02 |
| RU2468451C1 (ru) | 2012-11-27 |
| WO2010053728A1 (en) | 2010-05-14 |
| TW201042637A (en) | 2010-12-01 |
| ES2963744T3 (es) | 2024-04-01 |
| EP4293665A2 (en) | 2023-12-20 |
| EP3217395A1 (en) | 2017-09-13 |
| EP3217395B1 (en) | 2023-10-11 |
| US20110208528A1 (en) | 2011-08-25 |
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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) |