PT3022735T - Codificador de áudio, descodificador de áudio, métodos e programa de computador que usa sinais residuais codificados em conjunto - Google Patents
Codificador de áudio, descodificador de áudio, métodos e programa de computador que usa sinais residuais codificados em conjuntoInfo
- Publication number
- PT3022735T PT3022735T PT147391411T PT14739141T PT3022735T PT 3022735 T PT3022735 T PT 3022735T PT 147391411 T PT147391411 T PT 147391411T PT 14739141 T PT14739141 T PT 14739141T PT 3022735 T PT3022735 T PT 3022735T
- Authority
- PT
- Portugal
- Prior art keywords
- methods
- computer program
- audio
- residual signals
- jointly encoded
- 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
- G10L19/008—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
-
- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT3022735T true PT3022735T (pt) | 2017-12-07 |
Family
ID=48874137
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT147391411T PT3022735T (pt) | 2013-07-22 | 2014-07-11 | Codificador de áudio, descodificador de áudio, métodos e programa de computador que usa sinais residuais codificados em conjunto |
| PT147385355T PT3022734T (pt) | 2013-07-22 | 2014-07-14 | Descodificador de áudio, codificador de áudio, método para fornecer pelo menos quatro sinais de canal de áudio na base de uma representação codificada, método para fornecer uma representação codificada na base de pelo menos quatro sinais de canal de áudio e programa de computador que usa uma extensão de largura de banda |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT147385355T PT3022734T (pt) | 2013-07-22 | 2014-07-14 | Descodificador de áudio, codificador de áudio, método para fornecer pelo menos quatro sinais de canal de áudio na base de uma representação codificada, método para fornecer uma representação codificada na base de pelo menos quatro sinais de canal de áudio e programa de computador que usa uma extensão de largura de banda |
Country Status (19)
| Country | Link |
|---|---|
| US (9) | US10147431B2 (pt) |
| EP (4) | EP2830051A3 (pt) |
| JP (2) | JP6346278B2 (pt) |
| KR (2) | KR101823278B1 (pt) |
| CN (5) | CN111105805B (pt) |
| AR (2) | AR097011A1 (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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| 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 |
| WO2016135329A1 (en) * | 2015-02-27 | 2016-09-01 | Auro Technologies | Encoding and decoding digital data sets |
| 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 |
| KR102856247B1 (ko) | 2015-06-17 | 2025-09-04 | 삼성전자주식회사 | 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 |
| EP3695613B1 (en) * | 2017-10-12 | 2024-01-03 | Fraunhofer-Gesellschaft zur Förderung 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 |
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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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| ES2985934T3 (es) | 2018-11-13 | 2024-11-07 | Dolby Laboratories Licensing Corp | Representar audio espacial por medio de una señal de audio y metadatos asociados |
| IL281936B2 (en) | 2018-11-13 | 2026-04-01 | Dolby Laboratories Licensing Corp | Audio Processing at Investor 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 |
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