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 | 2013-07-22 | ||
| EP13177376.4 | 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) | US9953656B2 (pt) |
| EP (4) | EP2830051A3 (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) | ZA201601080B (pt) |
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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 |
| CN107430862B (zh) | 2015-02-27 | 2022-10-04 | 奥罗技术公司 | 数字数据集合的编码和解码 |
| 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 |
| CN114005454A (zh) | 2015-06-17 | 2022-02-01 | 三星电子株式会社 | 实现低复杂度格式转换的内部声道处理方法和装置 |
| 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 |
| CA3230310A1 (en) * | 2017-10-12 | 2019-04-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Optimizing audio delivery for virtual reality applications |
| WO2019143867A1 (en) | 2018-01-18 | 2019-07-25 | Dolby Laboratories Licensing Corporation | Methods and devices for coding soundfield representation signals |
| BR112020019890A2 (pt) | 2018-04-11 | 2021-01-05 | Dolby International Ab | Métodos, aparelho e sistemas para sinal pré-renderizado para renderização de áudio |
| 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 |
| JP7504091B2 (ja) | 2018-11-02 | 2024-06-21 | ドルビー・インターナショナル・アーベー | オーディオ・エンコーダおよびオーディオ・デコーダ |
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| WO2020204904A1 (en) | 2019-04-01 | 2020-10-08 | Google Llc | Learning compressible features |
| US20200402522A1 (en) * | 2019-06-24 | 2020-12-24 | Qualcomm Incorporated | Quantizing spatial components based on bit allocations determined for psychoacoustic audio coding |
| 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 |
| US20230300557A1 (en) * | 2020-09-03 | 2023-09-21 | Sony Group Corporation | Signal processing device and method, learning device and method, and program |
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