PT3783607T - Método e aparelho de codificação de sinal estereofónico - Google Patents
Método e aparelho de codificação de sinal estereofónicoInfo
- Publication number
- PT3783607T PT3783607T PT198116451T PT19811645T PT3783607T PT 3783607 T PT3783607 T PT 3783607T PT 198116451 T PT198116451 T PT 198116451T PT 19811645 T PT19811645 T PT 19811645T PT 3783607 T PT3783607 T PT 3783607T
- Authority
- PT
- Portugal
- Prior art keywords
- stereophonic signal
- coding
- coding stereophonic
- signal
- stereophonic
- Prior art date
Links
Classifications
-
- 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
- G10L19/02—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
- G10L19/0204—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 using subband decomposition
-
- 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
- G10L19/04—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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
-
- 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
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
- G10L25/51—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use for comparison or discrimination
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/756—Media network packet handling adapting media to device capabilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S1/00—Two-channel systems
- H04S1/007—Two-channel systems in which the audio signals are in digital form
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810549237.3A CN110556117B (zh) | 2018-05-31 | 2018-05-31 | 立体声信号的编码方法和装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT3783607T true PT3783607T (pt) | 2024-07-11 |
Family
ID=68697244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT198116451T PT3783607T (pt) | 2018-05-31 | 2019-02-27 | Método e aparelho de codificação de sinal estereofónico |
Country Status (9)
| Country | Link |
|---|---|
| US (3) | US11462224B2 (pt) |
| EP (2) | EP4435777B1 (pt) |
| JP (4) | JP7110401B2 (pt) |
| KR (3) | KR102710464B1 (pt) |
| CN (2) | CN110556117B (pt) |
| BR (1) | BR112020024257A2 (pt) |
| PT (1) | PT3783607T (pt) |
| SG (1) | SG11202011324RA (pt) |
| WO (1) | WO2019227991A1 (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556118B (zh) | 2018-05-31 | 2022-05-10 | 华为技术有限公司 | 立体声信号的编码方法和装置 |
| CN120526780A (zh) * | 2020-03-09 | 2025-08-22 | 日本电信电话株式会社 | 声音信号缩混方法、编码方法、缩混装置及程序 |
| EP4320615B1 (en) * | 2021-04-06 | 2025-12-03 | Dolby International AB | Coding of envelope information of an audio downmix signal |
| CN118800251A (zh) * | 2023-04-13 | 2024-10-18 | 华为技术有限公司 | 场景音频信号的编码方法和装置 |
| CN117079657B (zh) * | 2023-10-16 | 2024-01-26 | 中国铁塔股份有限公司 | 压限处理方法、装置、电子设备及可读存储介质 |
Family Cites Families (30)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4245288B2 (ja) * | 2001-11-13 | 2009-03-25 | パナソニック株式会社 | 音声符号化装置および音声復号化装置 |
| EP1483759B1 (en) * | 2002-03-12 | 2006-09-06 | Nokia Corporation | Scalable audio coding |
| US7318035B2 (en) * | 2003-05-08 | 2008-01-08 | Dolby Laboratories Licensing Corporation | Audio coding systems and methods using spectral component coupling and spectral component regeneration |
| KR101135726B1 (ko) | 2004-04-05 | 2012-04-16 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 인코더, 디코더, 인코딩 방법, 디코딩 방법 및 기록 매체 |
| JP2008519306A (ja) | 2004-11-04 | 2008-06-05 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 信号の組のエンコード及びデコード |
| MX2007005262A (es) | 2004-11-04 | 2007-07-09 | Koninkl Philips Electronics Nv | Codificacion y decodificacion de senales de audio de varios canales. |
| US7573912B2 (en) * | 2005-02-22 | 2009-08-11 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschunng E.V. | Near-transparent or transparent multi-channel encoder/decoder scheme |
| US7751572B2 (en) * | 2005-04-15 | 2010-07-06 | Dolby International Ab | Adaptive residual audio coding |
| US7548853B2 (en) * | 2005-06-17 | 2009-06-16 | Shmunk Dmitry V | Scalable compressed audio bit stream and codec using a hierarchical filterbank and multichannel joint coding |
| ATE442645T1 (de) * | 2006-02-06 | 2009-09-15 | France Telecom | Verfahren und vorrichtung zur hierarchischen kodierung eines quelltonsignals sowie entsprechendes decodierverfahren und gerät, programme und signal |
| US8571875B2 (en) * | 2006-10-18 | 2013-10-29 | Samsung Electronics Co., Ltd. | Method, medium, and apparatus encoding and/or decoding multichannel audio signals |
| CN101067931B (zh) * | 2007-05-10 | 2011-04-20 | 芯晟(北京)科技有限公司 | 一种高效可配置的频域参数立体声及多声道编解码方法与系统 |
| CN101393743A (zh) * | 2007-09-19 | 2009-03-25 | 中兴通讯股份有限公司 | 一种可配置参数的立体声编码装置及其编码方法 |
| WO2009057327A1 (ja) * | 2007-10-31 | 2009-05-07 | Panasonic Corporation | 符号化装置および復号装置 |
| KR101428487B1 (ko) * | 2008-07-11 | 2014-08-08 | 삼성전자주식회사 | 멀티 채널 부호화 및 복호화 방법 및 장치 |
| CN101635145B (zh) * | 2008-07-24 | 2012-06-06 | 华为技术有限公司 | 编解码方法、装置和系统 |
| ES2415155T3 (es) * | 2009-03-17 | 2013-07-24 | Dolby International Ab | Codificación estéreo avanzada basada en una combinación de codificación estéreo izquierda/derecha o central/lateral seleccionable de manera adaptativa y de codificación estéreo paramétrica |
| FR2947944A1 (fr) * | 2009-07-07 | 2011-01-14 | France Telecom | Codage/decodage perfectionne de signaux audionumeriques |
| KR20110018107A (ko) * | 2009-08-17 | 2011-02-23 | 삼성전자주식회사 | 레지듀얼 신호 인코딩 및 디코딩 방법 및 장치 |
| KR101710113B1 (ko) * | 2009-10-23 | 2017-02-27 | 삼성전자주식회사 | 위상 정보와 잔여 신호를 이용한 부호화／복호화 장치 및 방법 |
| CN102243876B (zh) * | 2010-05-12 | 2013-08-07 | 华为技术有限公司 | 预测残差信号的量化编码方法及装置 |
| JP5809754B2 (ja) | 2011-09-29 | 2015-11-11 | ドルビー・インターナショナル・アーベー | Ｆｍステレオ電波信号における高品質検出 |
| WO2013189030A1 (zh) * | 2012-06-19 | 2013-12-27 | 深圳广晟信源技术有限公司 | 对单声道或立体声进行编码的方法 |
| EP2690621A1 (en) * | 2012-07-26 | 2014-01-29 | Thomson Licensing | Method and Apparatus for downmixing MPEG SAOC-like encoded audio signals at receiver side in a manner different from the manner of downmixing at encoder side |
| CN104541524B (zh) * | 2012-07-31 | 2017-03-08 | 英迪股份有限公司 | 一种用于处理音频信号的方法和设备 |
| US9711150B2 (en) * | 2012-08-22 | 2017-07-18 | Electronics And Telecommunications Research Institute | Audio encoding apparatus and method, and audio decoding apparatus and method |
| US20150125023A1 (en) | 2013-03-08 | 2015-05-07 | Ideavillage Products Corp. | Headset with variable acoustic impedance |
| 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 |
| EP3353784B1 (en) * | 2015-09-25 | 2025-03-05 | VoiceAge Corporation | Method and system for encoding left and right channels of a stereo sound signal selecting between two and four sub-frames models depending on the bit budget |
-
2018
- 2018-05-31 CN CN201810549237.3A patent/CN110556117B/zh active Active
- 2018-05-31 CN CN202210345190.5A patent/CN114708874A/zh active Pending
-
2019
- 2019-02-27 EP EP24164942.5A patent/EP4435777B1/en active Active
- 2019-02-27 EP EP19811645.1A patent/EP3783607B1/en active Active
- 2019-02-27 BR BR112020024257-8A patent/BR112020024257A2/pt unknown
- 2019-02-27 PT PT198116451T patent/PT3783607T/pt unknown
- 2019-02-27 JP JP2020566740A patent/JP7110401B2/ja active Active
- 2019-02-27 KR KR1020237021245A patent/KR102710464B1/ko active Active
- 2019-02-27 KR KR1020207035773A patent/KR102548475B1/ko active Active
- 2019-02-27 WO PCT/CN2019/076341 patent/WO2019227991A1/zh not_active Ceased
- 2019-02-27 SG SG11202011324RA patent/SG11202011324RA/en unknown
- 2019-02-27 KR KR1020247031583A patent/KR20240145060A/ko active Pending
-
2020
- 2020-11-25 US US17/104,852 patent/US11462224B2/en active Active
-
2022
- 2022-07-20 JP JP2022115641A patent/JP7520922B2/ja active Active
- 2022-08-11 US US17/886,087 patent/US11978463B2/en active Active
-
2024
- 2024-04-03 US US18/625,538 patent/US12374345B2/en active Active
- 2024-07-09 JP JP2024110194A patent/JP7765558B2/ja active Active
-
2025
- 2025-10-23 JP JP2025178710A patent/JP2026010182A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| KR102710464B1 (ko) | 2024-09-25 |
| BR112020024257A2 (pt) | 2021-02-23 |
| JP7520922B2 (ja) | 2024-07-23 |
| SG11202011324RA (en) | 2020-12-30 |
| US20220392470A1 (en) | 2022-12-08 |
| US20210082445A1 (en) | 2021-03-18 |
| US20240355343A1 (en) | 2024-10-24 |
| EP4435777A1 (en) | 2024-09-25 |
| JP2024153672A (ja) | 2024-10-29 |
| KR102548475B1 (ko) | 2023-06-26 |
| JP7110401B2 (ja) | 2022-08-01 |
| CN110556117B (zh) | 2022-04-22 |
| US11978463B2 (en) | 2024-05-07 |
| US11462224B2 (en) | 2022-10-04 |
| KR20230098708A (ko) | 2023-07-04 |
| WO2019227991A1 (zh) | 2019-12-05 |
| EP3783607A1 (en) | 2021-02-24 |
| CN110556117A (zh) | 2019-12-10 |
| CN114708874A (zh) | 2022-07-05 |
| EP3783607A4 (en) | 2021-06-30 |
| EP3783607B1 (en) | 2024-05-08 |
| EP4435777B1 (en) | 2026-04-15 |
| KR20210008091A (ko) | 2021-01-20 |
| JP7765558B2 (ja) | 2025-11-06 |
| JP2026010182A (ja) | 2026-01-21 |
| US12374345B2 (en) | 2025-07-29 |
| JP2021525390A (ja) | 2021-09-24 |
| KR20240145060A (ko) | 2024-10-04 |
| JP2022163058A (ja) | 2022-10-25 |
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