ES2709661T3 - Codificación y decodificación paramétrica de señales de audio multicanal - Google Patents
Codificación y decodificación paramétrica de señales de audio multicanal Download PDFInfo
- Publication number
- ES2709661T3 ES2709661T3 ES15801335T ES15801335T ES2709661T3 ES 2709661 T3 ES2709661 T3 ES 2709661T3 ES 15801335 T ES15801335 T ES 15801335T ES 15801335 T ES15801335 T ES 15801335T ES 2709661 T3 ES2709661 T3 ES 2709661T3
- Authority
- ES
- Spain
- Prior art keywords
- signal
- channels
- channel
- audio
- coding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- G10L19/04—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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
-
- 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
-
- 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)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Mathematical Physics (AREA)
- Stereophonic System (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462073642P | 2014-10-31 | 2014-10-31 | |
| US201562128425P | 2015-03-04 | 2015-03-04 | |
| PCT/EP2015/075115 WO2016066743A1 (en) | 2014-10-31 | 2015-10-29 | Parametric encoding and decoding of multichannel audio signals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2709661T3 true ES2709661T3 (es) | 2019-04-17 |
Family
ID=54705555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES15801335T Active ES2709661T3 (es) | 2014-10-31 | 2015-10-29 | Codificación y decodificación paramétrica de señales de audio multicanal |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US9955276B2 (enExample) |
| EP (2) | EP3213323B1 (enExample) |
| JP (2) | JP6640849B2 (enExample) |
| KR (1) | KR102486338B1 (enExample) |
| CN (2) | CN107004421B (enExample) |
| BR (1) | BR112017008015B1 (enExample) |
| ES (1) | ES2709661T3 (enExample) |
| RU (1) | RU2704266C2 (enExample) |
| WO (1) | WO2016066743A1 (enExample) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9674587B2 (en) * | 2012-06-26 | 2017-06-06 | Sonos, Inc. | Systems and methods for networked music playback including remote add to queue |
| EP3298606B1 (en) * | 2015-05-20 | 2019-05-01 | Telefonaktiebolaget LM Ericsson (PUBL) | Coding of multi-channel audio signals |
| EP3337066B1 (en) | 2016-12-14 | 2020-09-23 | Nokia Technologies Oy | Distributed audio mixing |
| CN107576933B (zh) * | 2017-08-17 | 2020-10-30 | 电子科技大学 | 多维拟合的信源定位方法 |
| JP7321272B2 (ja) | 2018-12-21 | 2023-08-04 | 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． | 音響再生／シミュレーションシステムおよび音響再生をシミュレーションするための方法 |
| US20200388292A1 (en) * | 2019-06-10 | 2020-12-10 | Google Llc | Audio channel mixing |
| WO2021046060A1 (en) | 2019-09-03 | 2021-03-11 | Dolby Laboratories Licensing Corporation | Low-latency, low-frequency effects codec |
| GB2587614A (en) * | 2019-09-26 | 2021-04-07 | Nokia Technologies Oy | Audio encoding and audio decoding |
| TW202533213A (zh) | 2019-10-30 | 2025-08-16 | 美商杜拜研究特許公司 | 使用方向性元資料之多通道音頻編碼及解碼 |
| CN115867964A (zh) * | 2020-06-11 | 2023-03-28 | 杜比实验室特许公司 | 用于对多声道输入信号内的空间背景噪声进行编码和/或解码的方法和设备 |
| CN114023338B (zh) * | 2020-07-17 | 2025-06-03 | 华为技术有限公司 | 多声道音频信号的编码方法和装置 |
| CN116830192A (zh) * | 2020-12-02 | 2023-09-29 | 杜比实验室特许公司 | 利用自适应下混策略的沉浸式语音和音频服务(ivas) |
| WO2022214480A1 (en) * | 2021-04-06 | 2022-10-13 | Dolby International Ab | Encoding of envelope information of an audio downmix signal |
| CN117730367A (zh) * | 2023-10-31 | 2024-03-19 | 北京小米移动软件有限公司 | 分组方法、编码器、解码器以及存储介质 |
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| JP3277699B2 (ja) * | 1994-06-13 | 2002-04-22 | ソニー株式会社 | 信号符号化方法及び装置並びに信号復号化方法及び装置 |
| US7644003B2 (en) | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
| FR2862799B1 (fr) | 2003-11-26 | 2006-02-24 | Inst Nat Rech Inf Automat | Dispositif et methode perfectionnes de spatialisation du son |
| US7394903B2 (en) * | 2004-01-20 | 2008-07-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Apparatus and method for constructing a multi-channel output signal or for generating a downmix signal |
| SE0402649D0 (sv) | 2004-11-02 | 2004-11-02 | Coding Tech Ab | Advanced methods of creating orthogonal signals |
| JP2008529364A (ja) | 2005-01-24 | 2008-07-31 | ティ エイチ エックス リミテッド | 周辺及び直接サラウンドサウンドシステム |
| EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| ATE421845T1 (de) * | 2005-04-15 | 2009-02-15 | Dolby Sweden Ab | Zeitliche hüllkurvenformgebung von entkorrelierten signalen |
| CN102013256B (zh) * | 2005-07-14 | 2013-12-18 | 皇家飞利浦电子股份有限公司 | 用于生成多个输出音频通道的方法及设备 |
| EP1921606B1 (en) | 2005-09-02 | 2011-10-19 | Panasonic Corporation | Energy shaping device and energy shaping method |
| JP4728398B2 (ja) * | 2005-09-14 | 2011-07-20 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及び装置 |
| KR100888474B1 (ko) | 2005-11-21 | 2009-03-12 | 삼성전자주식회사 | 멀티채널 오디오 신호의 부호화/복호화 장치 및 방법 |
| EP1989704B1 (en) * | 2006-02-03 | 2013-10-16 | Electronics and Telecommunications Research Institute | Method and apparatus for control of randering multiobject or multichannel audio signal using spatial cue |
| JP4396683B2 (ja) * | 2006-10-02 | 2010-01-13 | カシオ計算機株式会社 | 音声符号化装置、音声符号化方法、及び、プログラム |
| MY144273A (en) * | 2006-10-16 | 2011-08-29 | Fraunhofer Ges Forschung | Apparatus and method for multi-chennel parameter transformation |
| MX2009011405A (es) * | 2007-04-26 | 2009-11-05 | Dolby Sweden Ab | Aparato y metodo para sintetizar una señal de salida. |
| MX2010004220A (es) * | 2007-10-17 | 2010-06-11 | Fraunhofer Ges Forschung | Codificacion de audio usando mezcla descendente. |
| JP5122681B2 (ja) * | 2008-05-23 | 2013-01-16 | 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 | パラメトリックステレオアップミクス装置、パラメトリックステレオデコーダ、パラメトリックステレオダウンミクス装置、及びパラメトリックステレオエンコーダ |
| EP2144230A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
| US9330671B2 (en) | 2008-10-10 | 2016-05-03 | Telefonaktiebolaget L M Ericsson (Publ) | Energy conservative multi-channel audio coding |
| EP2214162A1 (en) * | 2009-01-28 | 2010-08-04 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Upmixer, method and computer program for upmixing a downmix audio signal |
| KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
| AU2010233863B2 (en) | 2009-04-08 | 2013-09-26 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus, method and computer program for upmixing a downmix audio signal using a phase value smoothing |
| CN102414743A (zh) * | 2009-04-21 | 2012-04-11 | 皇家飞利浦电子股份有限公司 | 音频信号合成 |
| EP2249334A1 (en) | 2009-05-08 | 2010-11-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio format transcoder |
| EP2360681A1 (en) | 2010-01-15 | 2011-08-24 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for extracting a direct/ambience signal from a downmix signal and spatial parametric information |
| CA3045686C (en) * | 2010-04-09 | 2020-07-14 | Dolby International Ab | Audio upmixer operable in prediction or non-prediction mode |
| TWI462087B (zh) * | 2010-11-12 | 2014-11-21 | Dolby Lab Licensing Corp | 複數音頻信號之降混方法、編解碼方法及混合系統 |
| US9219972B2 (en) | 2010-11-19 | 2015-12-22 | Nokia Technologies Oy | Efficient audio coding having reduced bit rate for ambient signals and decoding using same |
| US9088858B2 (en) | 2011-01-04 | 2015-07-21 | Dts Llc | Immersive audio rendering system |
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| WO2013064957A1 (en) * | 2011-11-01 | 2013-05-10 | Koninklijke Philips Electronics N.V. | Audio object encoding and decoding |
| WO2013122388A1 (en) | 2012-02-15 | 2013-08-22 | Samsung Electronics Co., Ltd. | Data transmission apparatus, data receiving apparatus, data transceiving system, data transmission method and data receiving method |
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| US9473870B2 (en) | 2012-07-16 | 2016-10-18 | Qualcomm Incorporated | Loudspeaker position compensation with 3D-audio hierarchical coding |
| US9479886B2 (en) | 2012-07-20 | 2016-10-25 | Qualcomm Incorporated | Scalable downmix design with feedback for object-based surround codec |
| CN104604257B (zh) | 2012-08-31 | 2016-05-25 | 杜比实验室特许公司 | 用于在各种收听环境中渲染并且回放基于对象的音频的系统 |
| EP2891335B1 (en) | 2012-08-31 | 2019-11-27 | Dolby Laboratories Licensing Corporation | Reflected and direct rendering of upmixed content to individually addressable drivers |
| BR122021021487B1 (pt) | 2012-09-12 | 2022-11-22 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V | Aparelho e método para fornecer capacidades melhoradas de downmix guiado para áudio 3d |
| WO2014068583A1 (en) | 2012-11-02 | 2014-05-08 | Pulz Electronics Pvt. Ltd. | Multi platform 4 layer and x, y, z axis audio recording, mixing and playback process |
| US9736609B2 (en) | 2013-02-07 | 2017-08-15 | Qualcomm Incorporated | Determining renderers for spherical harmonic coefficients |
| WO2014126689A1 (en) | 2013-02-14 | 2014-08-21 | Dolby Laboratories Licensing Corporation | Methods for controlling the inter-channel coherence of upmixed audio signals |
| RU2645271C2 (ru) * | 2013-04-05 | 2018-02-19 | Долби Интернэшнл Аб | Стереофонический кодер и декодер аудиосигналов |
| CN111192592B (zh) | 2013-10-21 | 2023-09-15 | 杜比国际公司 | 音频信号的参数化重构 |
| TWI587286B (zh) | 2014-10-31 | 2017-06-11 | 杜比國際公司 | 音頻訊號之解碼和編碼的方法及系統、電腦程式產品、與電腦可讀取媒體 |
-
2015
- 2015-10-29 KR KR1020177011541A patent/KR102486338B1/ko active Active
- 2015-10-29 RU RU2017114642A patent/RU2704266C2/ru active
- 2015-10-29 ES ES15801335T patent/ES2709661T3/es active Active
- 2015-10-29 EP EP15801335.9A patent/EP3213323B1/en active Active
- 2015-10-29 CN CN201580059276.XA patent/CN107004421B/zh active Active
- 2015-10-29 US US15/521,157 patent/US9955276B2/en active Active
- 2015-10-29 EP EP18209379.9A patent/EP3540732B1/en active Active
- 2015-10-29 BR BR112017008015-0A patent/BR112017008015B1/pt active IP Right Grant
- 2015-10-29 CN CN202010517613.8A patent/CN111816194B/zh active Active
- 2015-10-29 WO PCT/EP2015/075115 patent/WO2016066743A1/en not_active Ceased
- 2015-10-29 JP JP2017522811A patent/JP6640849B2/ja active Active
-
2019
- 2019-12-26 JP JP2019235974A patent/JP7009437B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR102486338B1 (ko) | 2023-01-10 |
| JP2017536756A (ja) | 2017-12-07 |
| EP3213323A1 (en) | 2017-09-06 |
| JP2020074007A (ja) | 2020-05-14 |
| BR112017008015B1 (pt) | 2023-11-14 |
| RU2017114642A3 (enExample) | 2019-05-24 |
| CN111816194A (zh) | 2020-10-23 |
| CN107004421B (zh) | 2020-07-07 |
| WO2016066743A1 (en) | 2016-05-06 |
| US20170339505A1 (en) | 2017-11-23 |
| RU2019131327A (ru) | 2019-11-25 |
| RU2704266C2 (ru) | 2019-10-25 |
| EP3540732A1 (en) | 2019-09-18 |
| EP3213323B1 (en) | 2018-12-12 |
| JP7009437B2 (ja) | 2022-01-25 |
| CN111816194B (zh) | 2024-08-09 |
| RU2017114642A (ru) | 2018-10-31 |
| US9955276B2 (en) | 2018-04-24 |
| KR20170078648A (ko) | 2017-07-07 |
| CN107004421A (zh) | 2017-08-01 |
| JP6640849B2 (ja) | 2020-02-05 |
| BR112017008015A2 (pt) | 2017-12-19 |
| EP3540732B1 (en) | 2023-07-26 |
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