PT3025336T - Redução de artefactos de filtro pente no downmix de multicanal com alinhamento adaptativo de fase - Google Patents
Redução de artefactos de filtro pente no downmix de multicanal com alinhamento adaptativo de faseInfo
- Publication number
- PT3025336T PT3025336T PT14748143T PT14748143T PT3025336T PT 3025336 T PT3025336 T PT 3025336T PT 14748143 T PT14748143 T PT 14748143T PT 14748143 T PT14748143 T PT 14748143T PT 3025336 T PT3025336 T PT 3025336T
- Authority
- PT
- Portugal
- Prior art keywords
- reduction
- comb filter
- phase alignment
- adaptive phase
- channel downmix
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title 1
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
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
-
- 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
- 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
-
- 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
- G10L21/04—Time compression or expansion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/02—Systems employing more than two channels, e.g. quadraphonic of the matrix type, i.e. in which input signals are combined algebraically, e.g. after having been phase shifted with respect to each other
-
- 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)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Computational Linguistics (AREA)
- Mathematical Physics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP13177358 | 2013-07-22 | ||
| EP13189287.9A EP2838086A1 (en) | 2013-07-22 | 2013-10-18 | In an reduction of comb filter artifacts in multi-channel downmix with adaptive phase alignment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PT3025336T true PT3025336T (pt) | 2018-11-19 |
Family
ID=48874132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT14748143T PT3025336T (pt) | 2013-07-22 | 2014-07-18 | Redução de artefactos de filtro pente no downmix de multicanal com alinhamento adaptativo de fase |
Country Status (18)
| Country | Link |
|---|---|
| US (2) | US10360918B2 (pt) |
| EP (2) | EP2838086A1 (pt) |
| JP (1) | JP6279077B2 (pt) |
| KR (2) | KR101943601B1 (pt) |
| CN (2) | CN105518775B (pt) |
| AR (1) | AR097001A1 (pt) |
| AU (1) | AU2014295167B2 (pt) |
| BR (1) | BR112016001003B1 (pt) |
| CA (1) | CA2918874C (pt) |
| ES (1) | ES2687952T3 (pt) |
| MX (1) | MX359163B (pt) |
| PL (1) | PL3025336T3 (pt) |
| PT (1) | PT3025336T (pt) |
| RU (1) | RU2678161C2 (pt) |
| SG (1) | SG11201600393VA (pt) |
| TW (1) | TWI560702B (pt) |
| WO (1) | WO2015011057A1 (pt) |
| ZA (1) | ZA201601112B (pt) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105009207B (zh) | 2013-01-15 | 2018-09-25 | 韩国电子通信研究院 | 处理信道信号的编码/解码装置及方法 |
| WO2014112793A1 (ko) | 2013-01-15 | 2014-07-24 | 한국전자통신연구원 | 채널 신호를 처리하는 부호화/복호화 장치 및 방법 |
| EP2838086A1 (en) * | 2013-07-22 | 2015-02-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | In an reduction of comb filter artifacts in multi-channel downmix with adaptive phase alignment |
| 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 |
| KR102160254B1 (ko) * | 2014-01-10 | 2020-09-25 | 삼성전자주식회사 | 액티브다운 믹스 방식을 이용한 입체 음향 재생 방법 및 장치 |
| US10217467B2 (en) | 2016-06-20 | 2019-02-26 | Qualcomm Incorporated | Encoding and decoding of interchannel phase differences between audio signals |
| WO2018013959A1 (en) * | 2016-07-15 | 2018-01-18 | Sonos, Inc. | Spectral correction using spatial calibration |
| 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 |
| CN107895580B (zh) * | 2016-09-30 | 2021-06-01 | 华为技术有限公司 | 一种音频信号的重建方法和装置 |
| US10362423B2 (en) | 2016-10-13 | 2019-07-23 | Qualcomm Incorporated | Parametric audio decoding |
| JP6817433B2 (ja) | 2016-11-08 | 2021-01-20 | フラウンホファー ゲセルシャフト ツール フェールデルンク ダー アンゲヴァンテン フォルシュンク エー．ファオ． | 少なくとも２つのチャンネルをダウンミックスするためのダウンミキサおよび方法ならびにマルチチャンネルエンコーダおよびマルチチャンネルデコーダ |
| EP3539125B1 (en) | 2016-11-08 | 2022-11-30 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding or decoding a multichannel signal using a side gain and a residual gain |
| CN109427338B (zh) * | 2017-08-23 | 2021-03-30 | 华为技术有限公司 | 立体声信号的编码方法和编码装置 |
| EP3550561A1 (en) | 2018-04-06 | 2019-10-09 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downmixer, audio encoder, method and computer program applying a phase value to a magnitude value |
| 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 |
| MX2022001150A (es) | 2019-08-01 | 2022-02-22 | Dolby Laboratories Licensing Corp | Sistemas y metodos para suavizacion de covarianza. |
| CN114616621A (zh) * | 2019-10-30 | 2022-06-10 | 杜比实验室特许公司 | 在浸入式语音及音频服务中的位速率分布 |
| CN113518227B (zh) * | 2020-04-09 | 2023-02-10 | 于江鸿 | 数据处理的方法和系统 |
| GB2626953A (en) * | 2023-02-08 | 2024-08-14 | Nokia Technologies Oy | Audio rendering of spatial audio |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040042504A1 (en) * | 2002-09-03 | 2004-03-04 | Khoury John Michael | Aligning data bits in frequency synchronous data channels |
| DE602005022641D1 (de) | 2004-03-01 | 2010-09-09 | Dolby Lab Licensing Corp | Mehrkanal-Audiodekodierung |
| US20090299756A1 (en) * | 2004-03-01 | 2009-12-03 | Dolby Laboratories Licensing Corporation | Ratio of speech to non-speech audio such as for elderly or hearing-impaired listeners |
| CN1942929A (zh) * | 2004-04-05 | 2007-04-04 | 皇家飞利浦电子股份有限公司 | 多信道编码器 |
| JP2006050241A (ja) * | 2004-08-04 | 2006-02-16 | Matsushita Electric Ind Co Ltd | 復号化装置 |
| US7830921B2 (en) | 2005-07-11 | 2010-11-09 | Lg Electronics Inc. | Apparatus and method of encoding and decoding audio signal |
| TW200742275A (en) * | 2006-03-21 | 2007-11-01 | Dolby Lab Licensing Corp | Low bit rate audio encoding and decoding in which multiple channels are represented by fewer channels and auxiliary information |
| US8116486B2 (en) * | 2008-03-04 | 2012-02-14 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Mixing of input data streams and generation of an output data stream therefrom |
| CN102789785B (zh) * | 2008-03-10 | 2016-08-17 | 弗劳恩霍夫应用研究促进协会 | 操纵具有瞬变事件的音频信号的方法和设备 |
| ES2898865T3 (es) * | 2008-03-20 | 2022-03-09 | Fraunhofer Ges Forschung | Aparato y método para sintetizar una representación parametrizada de una señal de audio |
| EP2287836B1 (en) * | 2008-05-30 | 2014-10-15 | Panasonic Intellectual Property Corporation of America | Encoder and encoding method |
| CN101604983B (zh) * | 2008-06-12 | 2013-04-24 | 华为技术有限公司 | 编解码装置、系统及其方法 |
| EP2345027B1 (en) * | 2008-10-10 | 2018-04-18 | Telefonaktiebolaget LM Ericsson (publ) | Energy-conserving multi-channel audio coding and decoding |
| CA2748045C (en) * | 2009-01-05 | 2016-04-26 | Gordon Toll | Apparatus and method for defining a safety zone for a vehicle, a person or an animal |
| EP2214161A1 (en) * | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus, method and computer program for upmixing a downmix audio signal |
| WO2010097748A1 (en) * | 2009-02-27 | 2010-09-02 | Koninklijke Philips Electronics N.V. | Parametric stereo encoding and decoding |
| US8666752B2 (en) | 2009-03-18 | 2014-03-04 | Samsung Electronics Co., Ltd. | Apparatus and method for encoding and decoding multi-channel signal |
| WO2010105695A1 (en) * | 2009-03-20 | 2010-09-23 | Nokia Corporation | Multi channel audio coding |
| CN101533641B (zh) * | 2009-04-20 | 2011-07-20 | 华为技术有限公司 | 对多声道信号的声道延迟参数进行修正的方法和装置 |
| EP2483887B1 (en) | 2009-09-29 | 2017-07-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Mpeg-saoc audio signal decoder, method for providing an upmix signal representation using mpeg-saoc decoding and computer program using a time/frequency-dependent common inter-object-correlation parameter value |
| WO2011039668A1 (en) * | 2009-09-29 | 2011-04-07 | Koninklijke Philips Electronics N.V. | Apparatus for mixing a digital audio |
| KR101641685B1 (ko) | 2010-03-29 | 2016-07-22 | 삼성전자주식회사 | 멀티채널 오디오의 다운믹스 방법 및 장치 |
| KR20110116079A (ko) * | 2010-04-17 | 2011-10-25 | 삼성전자주식회사 | 멀티 채널 신호의 부호화/복호화 장치 및 방법 |
| WO2012006770A1 (en) | 2010-07-12 | 2012-01-19 | Huawei Technologies Co., Ltd. | Audio signal generator |
| WO2012006776A1 (zh) | 2010-07-14 | 2012-01-19 | 广东生益科技股份有限公司 | 复合材料、用其制作的高频电路基板及其制作方法 |
| AU2011295367B2 (en) * | 2010-08-25 | 2014-07-31 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus for decoding a signal comprising transients using a combining unit and a mixer |
| WO2012158705A1 (en) * | 2011-05-19 | 2012-11-22 | Dolby Laboratories Licensing Corporation | Adaptive audio processing based on forensic detection of media processing history |
| EP2838086A1 (en) * | 2013-07-22 | 2015-02-18 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | In an reduction of comb filter artifacts in multi-channel downmix with adaptive phase alignment |
-
2013
- 2013-10-18 EP EP13189287.9A patent/EP2838086A1/en not_active Withdrawn
-
2014
- 2014-07-18 SG SG11201600393VA patent/SG11201600393VA/en unknown
- 2014-07-18 ES ES14748143.6T patent/ES2687952T3/es active Active
- 2014-07-18 PT PT14748143T patent/PT3025336T/pt unknown
- 2014-07-18 WO PCT/EP2014/065537 patent/WO2015011057A1/en active Application Filing
- 2014-07-18 JP JP2016528469A patent/JP6279077B2/ja active Active
- 2014-07-18 CN CN201480041810.XA patent/CN105518775B/zh active Active
- 2014-07-18 PL PL14748143T patent/PL3025336T3/pl unknown
- 2014-07-18 RU RU2016105741A patent/RU2678161C2/ru active
- 2014-07-18 KR KR1020187005780A patent/KR101943601B1/ko active IP Right Grant
- 2014-07-18 CA CA2918874A patent/CA2918874C/en active Active
- 2014-07-18 CN CN202010573675.0A patent/CN111862997A/zh active Pending
- 2014-07-18 EP EP14748143.6A patent/EP3025336B1/en active Active
- 2014-07-18 AU AU2014295167A patent/AU2014295167B2/en active Active
- 2014-07-18 MX MX2016000909A patent/MX359163B/es active IP Right Grant
- 2014-07-18 BR BR112016001003-5A patent/BR112016001003B1/pt active IP Right Grant
- 2014-07-18 KR KR1020167004624A patent/KR101835239B1/ko active IP Right Grant
- 2014-07-21 AR ARP140102704A patent/AR097001A1/es active IP Right Grant
- 2014-07-21 TW TW103124999A patent/TWI560702B/zh active
-
2016
- 2016-01-19 US US15/000,508 patent/US10360918B2/en active Active
- 2016-02-18 ZA ZA2016/01112A patent/ZA201601112B/en unknown
-
2019
- 2019-06-04 US US16/431,601 patent/US10937435B2/en active Active
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