BR112016001141A2 - Codificador de áudio, decodificador de áudio, métodos e programa de computador que usam sinais residuais codificados em conjunto - Google Patents
Codificador de áudio, decodificador de áudio, métodos e programa de computador que usam sinais residuais codificados em conjuntoInfo
- Publication number
- BR112016001141A2 BR112016001141A2 BR112016001141A BR112016001141A BR112016001141A2 BR 112016001141 A2 BR112016001141 A2 BR 112016001141A2 BR 112016001141 A BR112016001141 A BR 112016001141A BR 112016001141 A BR112016001141 A BR 112016001141A BR 112016001141 A2 BR112016001141 A2 BR 112016001141A2
- Authority
- BR
- Brazil
- Prior art keywords
- audio
- methods
- computer program
- residual signals
- coded residual
- Prior art date
Links
- 238000004590 computer program Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
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
- G10L19/0017—Lossless audio signal coding; Perfect reconstruction of coded audio signal by transmission of coding error
-
- 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
- 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
-
- 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)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Health & Medical Sciences (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 | ||
| EP13189305.9A EP2830051A3 (en) | 2013-07-22 | 2013-10-18 | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
| EP13189305.9 | 2013-10-18 | ||
| PCT/EP2014/064915 WO2015010926A1 (en) | 2013-07-22 | 2014-07-11 | Audio encoder, audio decoder, methods and computer program using jointly encoded residual signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112016001141A2 true BR112016001141A2 (pt) | 2017-07-25 |
| BR112016001141B1 BR112016001141B1 (pt) | 2021-12-14 |
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 After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (19)
| Country | Link |
|---|---|
| US (8) | US10147431B2 (pt) |
| EP (4) | EP2830052A1 (pt) |
| JP (2) | JP6346278B2 (pt) |
| KR (2) | KR101823278B1 (pt) |
| CN (5) | CN111105805A (pt) |
| AR (2) | AR097012A1 (pt) |
| AU (2) | AU2014295360B2 (pt) |
| BR (2) | BR112016001141B1 (pt) |
| CA (2) | CA2917770C (pt) |
| ES (2) | ES2650544T3 (pt) |
| MX (2) | MX357667B (pt) |
| MY (1) | MY181944A (pt) |
| PL (2) | PL3022735T3 (pt) |
| PT (2) | PT3022735T (pt) |
| RU (2) | RU2677580C2 (pt) |
| SG (1) | SG11201600468SA (pt) |
| TW (2) | TWI550598B (pt) |
| WO (2) | WO2015010926A1 (pt) |
| ZA (2) | ZA201601078B (pt) |
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| EP2830052A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 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 |
| 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 |
| 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 |
| WO2016204581A1 (ko) | 2015-06-17 | 2016-12-22 | 삼성전자 주식회사 | 저연산 포맷 변환을 위한 인터널 채널 처리 방법 및 장치 |
| 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 |
| CN111466122B (zh) * | 2017-10-12 | 2023-02-28 | 弗劳恩霍夫应用研究促进协会 | 用于虚拟现实应用的音频传递优化 |
| EP3740950B8 (en) | 2018-01-18 | 2022-05-18 | Dolby Laboratories Licensing Corporation | Methods and devices for coding soundfield representation signals |
| CN115334444A (zh) | 2018-04-11 | 2022-11-11 | 杜比国际公司 | 用于音频渲染的预渲染信号的方法、设备和系统 |
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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 |
| CN110556117B (zh) * | 2018-05-31 | 2022-04-22 | 华为技术有限公司 | 立体声信号的编码方法和装置 |
| CN110660400B (zh) | 2018-06-29 | 2022-07-12 | 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 |
| CN113168838A (zh) | 2018-11-02 | 2021-07-23 | 杜比国际公司 | 音频编码器及音频解码器 |
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| 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 |
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