IN2015MN02784A - - Google Patents
Info
- Publication number
- IN2015MN02784A IN2015MN02784A IN2784MUN2015A IN2015MN02784A IN 2015MN02784 A IN2015MN02784 A IN 2015MN02784A IN 2784MUN2015 A IN2784MUN2015 A IN 2784MUN2015A IN 2015MN02784 A IN2015MN02784 A IN 2015MN02784A
- Authority
- IN
- India
- Prior art keywords
- time domain
- audio signal
- domain representation
- stage
- processing system
- 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
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
-
- 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
- G10L19/032—Quantisation or dequantisation of spectral components
-
- 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
-
- 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
- G10L19/18—Vocoders using multiple modes
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361809019P | 2013-04-05 | 2013-04-05 | |
| US201361875959P | 2013-09-10 | 2013-09-10 | |
| PCT/EP2014/056857 WO2014161996A2 (en) | 2013-04-05 | 2014-04-04 | Audio processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN2015MN02784A true IN2015MN02784A (enExample) | 2015-10-23 |
Family
ID=50489074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN2784MUN2015 IN2015MN02784A (enExample) | 2013-04-05 | 2014-04-04 |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US9478224B2 (enExample) |
| EP (1) | EP2981956B1 (enExample) |
| JP (2) | JP6013646B2 (enExample) |
| KR (1) | KR101717006B1 (enExample) |
| CN (2) | CN105247613B (enExample) |
| BR (1) | BR112015025092B1 (enExample) |
| ES (1) | ES2934646T3 (enExample) |
| IN (1) | IN2015MN02784A (enExample) |
| RU (1) | RU2625444C2 (enExample) |
| WO (1) | WO2014161996A2 (enExample) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2981956B1 (en) * | 2013-04-05 | 2022-11-30 | Dolby International AB | Audio processing system |
| TWI557727B (zh) * | 2013-04-05 | 2016-11-11 | 杜比國際公司 | 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品 |
| WO2016030568A1 (en) * | 2014-08-28 | 2016-03-03 | Nokia Technologies Oy | Audio parameter quantization |
| WO2016142002A1 (en) * | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
| MX2017012957A (es) * | 2015-04-10 | 2018-02-01 | Thomson Licensing | Metodo y dispositivo para codificar multiples señales de audio, y metodo y dispositivo para decodificar una mezcla de multiples señales de audio con separacion mejorada. |
| EP3107096A1 (en) | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downscaled decoding |
| WO2017080835A1 (en) * | 2015-11-10 | 2017-05-18 | Dolby International Ab | Signal-dependent companding system and method to reduce quantization noise |
| WO2017132366A1 (en) * | 2016-01-26 | 2017-08-03 | Dolby Laboratories Licensing Corporation | Adaptive quantization |
| KR102546098B1 (ko) * | 2016-03-21 | 2023-06-22 | 한국전자통신연구원 | 블록 기반의 오디오 부호화/복호화 장치 및 그 방법 |
| US20170289536A1 (en) * | 2016-03-31 | 2017-10-05 | Le Holdings (Beijing) Co., Ltd. | Method of audio debugging for television and electronic device |
| US10770082B2 (en) * | 2016-06-22 | 2020-09-08 | Dolby International Ab | Audio decoder and method for transforming a digital audio signal from a first to a second frequency domain |
| US10249307B2 (en) * | 2016-06-27 | 2019-04-02 | Qualcomm Incorporated | Audio decoding using intermediate sampling rate |
| US10224042B2 (en) | 2016-10-31 | 2019-03-05 | Qualcomm Incorporated | Encoding of multiple audio signals |
| PL3748633T3 (pl) * | 2016-11-08 | 2025-11-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Moduł downmixu i sposób downmixu co najmniej dwóch kanałów oraz koder wielokanałowy i dekoder wielokanałowy |
| GB2559200A (en) * | 2017-01-31 | 2018-08-01 | Nokia Technologies Oy | Stereo audio signal encoder |
| US10475457B2 (en) * | 2017-07-03 | 2019-11-12 | Qualcomm Incorporated | Time-domain inter-channel prediction |
| US10950251B2 (en) * | 2018-03-05 | 2021-03-16 | Dts, Inc. | Coding of harmonic signals in transform-based audio codecs |
| CN112567768B (zh) * | 2018-06-18 | 2022-11-15 | 奇跃公司 | 用于交互式音频环境的空间音频 |
| US11545165B2 (en) * | 2018-07-03 | 2023-01-03 | Panasonic Intellectual Property Corporation Of America | Encoding device and encoding method using a determined prediction parameter based on an energy difference between channels |
| CN112384976B (zh) * | 2018-07-12 | 2024-10-11 | 杜比国际公司 | 动态eq |
| EP3935581A4 (en) | 2019-03-04 | 2022-11-30 | Iocurrents, Inc. | DATA COMPRESSION AND COMMUNICATION USING MACHINE LEARNING |
| WO2020216459A1 (en) * | 2019-04-23 | 2020-10-29 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method or computer program for generating an output downmix representation |
| CN110335615B (zh) * | 2019-05-05 | 2021-11-16 | 北京字节跳动网络技术有限公司 | 音频数据的处理方法、装置、电子设备及存储介质 |
| WO2021004045A1 (zh) * | 2019-07-09 | 2021-01-14 | 海信视像科技股份有限公司 | 一种多声道平台音频数据传输方法及其装置、显示设备 |
| IL322245A (en) * | 2019-09-03 | 2025-09-01 | Dolby Laboratories Licensing Corp | Low-noise signal converter for low-frequency effects |
| RU2731602C1 (ru) * | 2019-09-30 | 2020-09-04 | Ордена трудового Красного Знамени федеральное государственное бюджетное образовательное учреждение высшего образования "Московский технический университет связи и информатики" (МТУСИ) | Способ и устройство компандирования с предыскажением звуковых вещательных сигналов |
| CN113140225B (zh) * | 2020-01-20 | 2024-07-02 | 腾讯科技（深圳）有限公司 | 语音信号处理方法、装置、电子设备及存储介质 |
| CN111354365B (zh) * | 2020-03-10 | 2023-10-31 | 苏宁云计算有限公司 | 一种纯语音数据采样率识别方法、装置、系统 |
| JP7567180B2 (ja) * | 2020-03-13 | 2024-10-16 | ヤマハ株式会社 | 音響処理装置および音響処理方法 |
| WO2022097239A1 (ja) * | 2020-11-05 | 2022-05-12 | 日本電信電話株式会社 | 音信号精製方法、音信号復号方法、これらの装置、プログラム及び記録媒体 |
| KR20230116895A (ko) | 2020-12-02 | 2023-08-04 | 돌비 레버러토리즈 라이쎈싱 코오포레이션 | 적응적 다운믹스 전략을 통한 몰입형 음성 및 오디오서비스(ivas) |
| EP4243014A4 (en) | 2021-01-25 | 2024-07-17 | Samsung Electronics Co., Ltd. | DEVICE AND METHOD FOR PROCESSING A MULTI-CHANNEL AUDIO SIGNAL |
| CN118038879A (zh) * | 2022-11-07 | 2024-05-14 | 抖音视界有限公司 | 一种音频数据的编码方法、解码方法及装置 |
| GB2624686B (en) * | 2022-11-25 | 2025-07-23 | Lenbrook Industries Ltd | Improvements to audio coding |
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| RU2580924C2 (ru) | 2011-02-14 | 2016-04-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Представление информационного сигнала с использованием преобразования с перекрытием |
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| EP2777042B1 (en) * | 2011-11-11 | 2019-08-14 | Dolby International AB | Upsampling using oversampled sbr |
| EP2981956B1 (en) * | 2013-04-05 | 2022-11-30 | Dolby International AB | Audio processing system |
-
2014
- 2014-04-04 EP EP14717713.3A patent/EP2981956B1/en active Active
- 2014-04-04 WO PCT/EP2014/056857 patent/WO2014161996A2/en not_active Ceased
- 2014-04-04 JP JP2016505845A patent/JP6013646B2/ja active Active
- 2014-04-04 IN IN2784MUN2015 patent/IN2015MN02784A/en unknown
- 2014-04-04 ES ES14717713T patent/ES2934646T3/es active Active
- 2014-04-04 KR KR1020157031853A patent/KR101717006B1/ko active Active
- 2014-04-04 CN CN201480024625.XA patent/CN105247613B/zh active Active
- 2014-04-04 US US14/781,232 patent/US9478224B2/en active Active
- 2014-04-04 RU RU2015147158A patent/RU2625444C2/ru active
- 2014-04-04 CN CN201910045920.8A patent/CN109509478B/zh active Active
- 2014-04-04 BR BR112015025092-0A patent/BR112015025092B1/pt active IP Right Grant
-
2016
- 2016-09-01 US US15/255,009 patent/US9812136B2/en active Active
- 2016-09-21 JP JP2016184272A patent/JP6407928B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| HK1214026A1 (zh) | 2016-07-15 |
| KR101717006B1 (ko) | 2017-03-15 |
| JP6407928B2 (ja) | 2018-10-17 |
| US20160372123A1 (en) | 2016-12-22 |
| JP6013646B2 (ja) | 2016-10-25 |
| JP2016514858A (ja) | 2016-05-23 |
| CN105247613A (zh) | 2016-01-13 |
| US20160055855A1 (en) | 2016-02-25 |
| EP2981956B1 (en) | 2022-11-30 |
| CN109509478A (zh) | 2019-03-22 |
| ES2934646T3 (es) | 2023-02-23 |
| CN105247613B (zh) | 2019-01-18 |
| US9812136B2 (en) | 2017-11-07 |
| RU2015147158A (ru) | 2017-05-17 |
| RU2625444C2 (ru) | 2017-07-13 |
| BR112015025092B1 (pt) | 2022-01-11 |
| US9478224B2 (en) | 2016-10-25 |
| BR112015025092A2 (pt) | 2017-07-18 |
| JP2017017749A (ja) | 2017-01-19 |
| CN109509478B (zh) | 2023-09-05 |
| WO2014161996A3 (en) | 2014-12-04 |
| WO2014161996A2 (en) | 2014-10-09 |
| EP2981956A2 (en) | 2016-02-10 |
| KR20150139601A (ko) | 2015-12-11 |
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