BR112016001137A2 - - Google Patents
Info
- Publication number
- BR112016001137A2 BR112016001137A2 BR112016001137A BR112016001137A BR112016001137A2 BR 112016001137 A2 BR112016001137 A2 BR 112016001137A2 BR 112016001137 A BR112016001137 A BR 112016001137A BR 112016001137 A BR112016001137 A BR 112016001137A BR 112016001137 A2 BR112016001137 A2 BR 112016001137A2
- Authority
- BR
- Brazil
Links
Classifications
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- 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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
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- 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
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/01—Multi-channel, i.e. more than two input channels, sound reproduction with two speakers wherein the multi-channel information is substantially preserved
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
- H04S2400/03—Aspects of down-mixing multi-channel audio to configurations with lower numbers of playback channels, e.g. 7.1 -> 5.1
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/03—Application of parametric coding in stereophonic audio systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Quality & Reliability (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177376.4 | 2013-07-22 | ||
| EP13177376 | 2013-07-22 | ||
| EP13189306.7A EP2830052A1 (en) | 2013-07-22 | 2013-10-18 | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
| EP13189306.7 | 2013-10-18 | ||
| PCT/EP2014/065021 WO2015010934A1 (en) | 2013-07-22 | 2014-07-14 | Audio decoder, audio encoder, method for providing at least four audio channel signals on the basis of an encoded representation, method for providing an encoded representation on the basis of at least four audio channel signals and computer program using a bandwidth extension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112016001137A2 true BR112016001137A2 (https=) | 2017-07-25 |
| BR112016001137B1 BR112016001137B1 (pt) | 2022-11-29 |
Family
ID=48874137
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112016001141-4A BR112016001141B1 (pt) | 2013-07-22 | 2014-07-11 | Codificador de áudio, decodificador de áudio e métodos que usam sinais residuais codificados em conjunto |
| BR112016001137-6A BR112016001137B1 (pt) | 2013-07-22 | 2014-07-14 | Decodificador de áudio, codificador de áudio, método para fornecer pelo menos quatro sinais de canal de áudio na base de uma representação codificada, e método para fornecer uma representação codificada na base de pelo menos quatro sinais de canal de áudio que usa uma extensão de largura de banda |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112016001141-4A BR112016001141B1 (pt) | 2013-07-22 | 2014-07-11 | Codificador de áudio, decodificador de áudio e métodos que usam sinais residuais codificados em conjunto |
Country Status (19)
| Country | Link |
|---|---|
| US (9) | US9953656B2 (https=) |
| EP (4) | EP2830051A3 (https=) |
| JP (2) | JP6346278B2 (https=) |
| KR (2) | KR101823278B1 (https=) |
| CN (5) | CN105593931B (https=) |
| AR (2) | AR097012A1 (https=) |
| AU (2) | AU2014295360B2 (https=) |
| BR (2) | BR112016001141B1 (https=) |
| CA (2) | CA2917770C (https=) |
| ES (2) | ES2650544T3 (https=) |
| MX (2) | MX357667B (https=) |
| MY (1) | MY181944A (https=) |
| PL (2) | PL3022735T3 (https=) |
| PT (2) | PT3022735T (https=) |
| RU (2) | RU2677580C2 (https=) |
| SG (1) | SG11201600468SA (https=) |
| TW (2) | TWI544479B (https=) |
| WO (2) | WO2015010926A1 (https=) |
| ZA (2) | ZA201601078B (https=) |
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| EP2830053A1 (en) * | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Multi-channel audio decoder, multi-channel audio encoder, methods and computer program using a residual-signal-based adjustment of a contribution of a decorrelated signal |
| EP2830051A3 (en) | 2013-07-22 | 2015-03-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
| JP6798999B2 (ja) | 2015-02-27 | 2020-12-09 | アウロ テクノロジーズ エンフェー． | デジタルデータセットの符号化及び復号 |
| EP3067886A1 (en) | 2015-03-09 | 2016-09-14 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal |
| US10490197B2 (en) * | 2015-06-17 | 2019-11-26 | Samsung Electronics Co., Ltd. | Method and device for processing internal channels for low complexity format conversion |
| CN107731238B (zh) | 2016-08-10 | 2021-07-16 | 华为技术有限公司 | 多声道信号的编码方法和编码器 |
| US10217468B2 (en) * | 2017-01-19 | 2019-02-26 | Qualcomm Incorporated | Coding of multiple audio signals |
| US10573326B2 (en) * | 2017-04-05 | 2020-02-25 | Qualcomm Incorporated | Inter-channel bandwidth extension |
| US10431231B2 (en) * | 2017-06-29 | 2019-10-01 | Qualcomm Incorporated | High-band residual prediction with time-domain inter-channel bandwidth extension |
| CA3230221A1 (en) * | 2017-10-12 | 2019-04-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Optimizing audio delivery for virtual reality applications |
| JP6888172B2 (ja) * | 2018-01-18 | 2021-06-16 | 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 | 音場表現信号を符号化する方法及びデバイス |
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| CN110556116B (zh) * | 2018-05-31 | 2021-10-22 | 华为技术有限公司 | 计算下混信号和残差信号的方法和装置 |
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| CN115132214A (zh) | 2018-06-29 | 2022-09-30 | 华为技术有限公司 | 立体声信号的编码、解码方法、编码装置和解码装置 |
| US11929082B2 (en) | 2018-11-02 | 2024-03-12 | Dolby International Ab | Audio encoder and an audio decoder |
| EP4462821A3 (en) | 2018-11-13 | 2024-12-25 | Dolby Laboratories Licensing Corporation | Representing spatial audio by means of an audio signal and associated metadata |
| EP3881559B1 (en) | 2018-11-13 | 2024-02-14 | Dolby Laboratories Licensing Corporation | Audio processing in immersive audio services |
| US10985951B2 (en) | 2019-03-15 | 2021-04-20 | The Research Foundation for the State University | Integrating Volterra series model and deep neural networks to equalize nonlinear power amplifiers |
| CN112020724B (zh) | 2019-04-01 | 2024-09-24 | 谷歌有限责任公司 | 学习可压缩的特征 |
| US12142285B2 (en) | 2019-06-24 | 2024-11-12 | Qualcomm Incorporated | Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding |
| US12308034B2 (en) | 2019-06-24 | 2025-05-20 | Qualcomm Incorporated | Performing psychoacoustic audio coding based on operating conditions |
| CN110534120B (zh) * | 2019-08-31 | 2021-10-01 | 深圳市友恺通信技术有限公司 | 一种移动网络环境下的环绕声误码修复方法 |
| CN115917643B (zh) * | 2020-06-24 | 2025-05-02 | 日本电信电话株式会社 | 声音信号解码方法、声音信号解码装置、计算机程序产品以及记录介质 |
| JPWO2022050087A1 (https=) * | 2020-09-03 | 2022-03-10 | ||
| 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 |
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