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 (https=) | 2015-10-23 |
Family
ID=50489074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN2784MUN2015 IN2015MN02784A (https=) | 2013-04-05 | 2014-04-04 |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US9478224B2 (https=) |
| EP (1) | EP2981956B1 (https=) |
| JP (2) | JP6013646B2 (https=) |
| KR (1) | KR101717006B1 (https=) |
| CN (2) | CN109509478B (https=) |
| BR (1) | BR112015025092B1 (https=) |
| ES (1) | ES2934646T3 (https=) |
| IN (1) | IN2015MN02784A (https=) |
| RU (1) | RU2625444C2 (https=) |
| WO (1) | WO2014161996A2 (https=) |
Families Citing this family (36)
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| 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 |
| RU2625444C2 (ru) * | 2013-04-05 | 2017-07-13 | Долби Интернэшнл Аб | Система обработки аудио |
| RU2670377C2 (ru) * | 2014-08-28 | 2018-10-22 | Нокиа Текнолоджиз Ой | Квантование аудиопараметров |
| 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 |
| KR20170134467A (ko) * | 2015-04-10 | 2017-12-06 | 톰슨 라이센싱 | 다수의 오디오 신호들을 인코딩하기 위한 방법 및 디바이스, 그리고 개선된 분리로 다수의 오디오 신호들의 혼합을 디코딩하기 위한 방법 및 디바이스 |
| 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 |
| US10395664B2 (en) | 2016-01-26 | 2019-08-27 | 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 |
| EP3475944B1 (en) * | 2016-06-22 | 2020-07-15 | 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 |
| JP6817433B2 (ja) | 2016-11-08 | 2021-01-20 | フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． | 少なくとも２つのチャンネルをダウンミックスするためのダウンミキサおよび方法ならびにマルチチャンネルエンコーダおよびマルチチャンネルデコーダ |
| 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 |
| IL313348B2 (en) * | 2018-04-25 | 2025-08-01 | Dolby Int Ab | Integration of high frequency reconstruction techniques with reduced post-processing delay |
| EP3808107A4 (en) | 2018-06-18 | 2022-03-16 | Magic Leap, Inc. | SPATIAL SOUND FOR INTERACTIVE SOUND ENVIRONMENTS |
| CN112352277B (zh) * | 2018-07-03 | 2024-05-31 | 松下电器（美国）知识产权公司 | 编码装置及编码方法 |
| WO2020014517A1 (en) * | 2018-07-12 | 2020-01-16 | Dolby International Ab | Dynamic eq |
| CA3128973A1 (en) | 2019-03-04 | 2020-09-10 | Bhaskar Bhattacharyya | 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 |
| WO2021004047A1 (zh) * | 2019-07-09 | 2021-01-14 | 海信视像科技股份有限公司 | 显示装置、音频播放方法 |
| IL290684B2 (en) | 2019-09-03 | 2025-12-01 | Dolby Laboratories Licensing Corp | Low-latency, low-frequency effects codec |
| 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 |
| IL324941A (en) | 2020-12-02 | 2026-01-01 | Dolby Laboratories Licensing Corp | Voice and audio services are embedded with adaptive mixing strategies |
| 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 |
| US20250078845A1 (en) * | 2023-08-29 | 2025-03-06 | Samsung Electronics Co., Ltd. | Lossless audio coding for multichannel hierarchical reconstruction |
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| RU2625444C2 (ru) * | 2013-04-05 | 2017-07-13 | Долби Интернэшнл Аб | Система обработки аудио |
-
2014
- 2014-04-04 RU RU2015147158A patent/RU2625444C2/ru active
- 2014-04-04 EP EP14717713.3A patent/EP2981956B1/en active Active
- 2014-04-04 KR KR1020157031853A patent/KR101717006B1/ko active Active
- 2014-04-04 IN IN2784MUN2015 patent/IN2015MN02784A/en unknown
- 2014-04-04 US US14/781,232 patent/US9478224B2/en active Active
- 2014-04-04 CN CN201910045920.8A patent/CN109509478B/zh active Active
- 2014-04-04 CN CN201480024625.XA patent/CN105247613B/zh active Active
- 2014-04-04 JP JP2016505845A patent/JP6013646B2/ja active Active
- 2014-04-04 WO PCT/EP2014/056857 patent/WO2014161996A2/en not_active Ceased
- 2014-04-04 BR BR112015025092-0A patent/BR112015025092B1/pt active IP Right Grant
- 2014-04-04 ES ES14717713T patent/ES2934646T3/es active Active
-
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 |
|---|---|
| ES2934646T3 (es) | 2023-02-23 |
| CN109509478B (zh) | 2023-09-05 |
| HK1214026A1 (zh) | 2016-07-15 |
| WO2014161996A2 (en) | 2014-10-09 |
| JP2017017749A (ja) | 2017-01-19 |
| JP6013646B2 (ja) | 2016-10-25 |
| US9812136B2 (en) | 2017-11-07 |
| BR112015025092B1 (pt) | 2022-01-11 |
| EP2981956A2 (en) | 2016-02-10 |
| US9478224B2 (en) | 2016-10-25 |
| WO2014161996A3 (en) | 2014-12-04 |
| KR101717006B1 (ko) | 2017-03-15 |
| KR20150139601A (ko) | 2015-12-11 |
| US20160055855A1 (en) | 2016-02-25 |
| JP2016514858A (ja) | 2016-05-23 |
| CN105247613A (zh) | 2016-01-13 |
| RU2625444C2 (ru) | 2017-07-13 |
| JP6407928B2 (ja) | 2018-10-17 |
| CN109509478A (zh) | 2019-03-22 |
| BR112015025092A2 (pt) | 2017-07-18 |
| RU2015147158A (ru) | 2017-05-17 |
| EP2981956B1 (en) | 2022-11-30 |
| US20160372123A1 (en) | 2016-12-22 |
| CN105247613B (zh) | 2019-01-18 |
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