BR112015025092B1 - Sistema de processamento de áudio e método para processar um fluxo de bits de áudio - Google Patents
Sistema de processamento de áudio e método para processar um fluxo de bits de áudio Download PDFInfo
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- BR112015025092B1 BR112015025092B1 BR112015025092-0A BR112015025092A BR112015025092B1 BR 112015025092 B1 BR112015025092 B1 BR 112015025092B1 BR 112015025092 A BR112015025092 A BR 112015025092A BR 112015025092 B1 BR112015025092 B1 BR 112015025092B1
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- 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
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- G—PHYSICS
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- 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
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- 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
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- 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
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Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201361809019P | 2013-04-05 | 2013-04-05 | |
| US61/809,019 | 2013-04-05 | ||
| US201361875959P | 2013-09-10 | 2013-09-10 | |
| US61/875,959 | 2013-09-10 | ||
| PCT/EP2014/056857 WO2014161996A2 (en) | 2013-04-05 | 2014-04-04 | Audio processing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112015025092A2 BR112015025092A2 (pt) | 2017-07-18 |
| BR112015025092B1 true BR112015025092B1 (pt) | 2022-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| BR112015025092-0A BR112015025092B1 (pt) | 2013-04-05 | 2014-04-04 | Sistema de processamento de áudio e método para processar um fluxo de bits de áudio |
Country Status (10)
| Country | Link |
|---|---|
| US (2) | US9478224B2 (https=) |
| EP (1) | EP2981956B1 (https=) |
| JP (2) | JP6013646B2 (https=) |
| KR (1) | KR101717006B1 (https=) |
| CN (2) | CN105247613B (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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| US9478224B2 (en) * | 2013-04-05 | 2016-10-25 | 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 |
| ES2726193T3 (es) * | 2014-08-28 | 2019-10-02 | Nokia Technologies Oy | Cuantificación de parámetros de audio |
| 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 |
| RU2716911C2 (ru) * | 2015-04-10 | 2020-03-17 | Интердиджитал Се Пэйтент Холдингз | Способ и устройство для кодирования множественных аудиосигналов и способ и устройство для декодирования смеси множественных аудиосигналов с улучшенным разделением |
| 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 |
| CN108496221B (zh) | 2016-01-26 | 2020-01-21 | 杜比实验室特许公司 | 自适应量化 |
| KR102546098B1 (ko) * | 2016-03-21 | 2023-06-22 | 한국전자통신연구원 | 블록 기반의 오디오 부호화/복호화 장치 및 그 방법 |
| CN105847963A (zh) * | 2016-03-31 | 2016-08-10 | 乐视控股（北京）有限公司 | 一种应用于电视的音频调试方法及装置 |
| JP6976277B2 (ja) * | 2016-06-22 | 2021-12-08 | ドルビー・インターナショナル・アーベー | 第一の周波数領域から第二の周波数領域にデジタル・オーディオ信号を変換するためのオーディオ・デコーダおよび方法 |
| 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 |
| IL313348B2 (en) * | 2018-04-25 | 2025-08-01 | Dolby Int Ab | Integration of high frequency reconstruction techniques with reduced post-processing delay |
| US10863300B2 (en) | 2018-06-18 | 2020-12-08 | Magic Leap, Inc. | Spatial audio for interactive audio environments |
| 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 |
| WO2021004049A1 (zh) * | 2019-07-09 | 2021-01-14 | 海信视像科技股份有限公司 | 显示装置、音频数据传输方法及装置 |
| CN114424282B (zh) * | 2019-09-03 | 2026-03-24 | 杜比实验室特许公司 | 低时延低频率效应编译码器 |
| 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 |
| EP4738346A1 (en) | 2020-12-02 | 2026-05-06 | Dolby International AB | Immersive voice and audio services (ivas) with adaptive downmix 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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2014
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- 2014-04-04 WO PCT/EP2014/056857 patent/WO2014161996A2/en not_active Ceased
- 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 CN CN201480024625.XA patent/CN105247613B/zh active Active
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2016
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- 2016-09-21 JP JP2016184272A patent/JP6407928B2/ja active Active
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| US20160372123A1 (en) | 2016-12-22 |
| CN105247613B (zh) | 2019-01-18 |
| WO2014161996A2 (en) | 2014-10-09 |
| IN2015MN02784A (https=) | 2015-10-23 |
| RU2015147158A (ru) | 2017-05-17 |
| HK1214026A1 (zh) | 2016-07-15 |
| US9478224B2 (en) | 2016-10-25 |
| RU2625444C2 (ru) | 2017-07-13 |
| ES2934646T3 (es) | 2023-02-23 |
| EP2981956A2 (en) | 2016-02-10 |
| EP2981956B1 (en) | 2022-11-30 |
| JP6013646B2 (ja) | 2016-10-25 |
| JP6407928B2 (ja) | 2018-10-17 |
| BR112015025092A2 (pt) | 2017-07-18 |
| CN109509478A (zh) | 2019-03-22 |
| WO2014161996A3 (en) | 2014-12-04 |
| US9812136B2 (en) | 2017-11-07 |
| CN105247613A (zh) | 2016-01-13 |
| CN109509478B (zh) | 2023-09-05 |
| KR101717006B1 (ko) | 2017-03-15 |
| JP2016514858A (ja) | 2016-05-23 |
| JP2017017749A (ja) | 2017-01-19 |
| KR20150139601A (ko) | 2015-12-11 |
| US20160055855A1 (en) | 2016-02-25 |
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