BR112017008015B1 - Métodos e sistemas de decodificação e codificação de áudio - Google Patents
Métodos e sistemas de decodificação e codificação de áudio Download PDFInfo
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- BR112017008015B1 BR112017008015B1 BR112017008015-0A BR112017008015A BR112017008015B1 BR 112017008015 B1 BR112017008015 B1 BR 112017008015B1 BR 112017008015 A BR112017008015 A BR 112017008015A BR 112017008015 B1 BR112017008015 B1 BR 112017008015B1
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- 238000000034 method Methods 0.000 title claims abstract description 87
- 230000005236 sound signal Effects 0.000 claims abstract description 354
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- 230000008859 change Effects 0.000 claims description 30
- 230000004044 response Effects 0.000 claims description 21
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Classifications
-
- 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
-
- 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; DEAF-AID SETS; 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
- 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)
- Acoustics & Sound (AREA)
- Signal Processing (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 (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462073642P | 2014-10-31 | 2014-10-31 | |
| US62/073,642 | 2014-10-31 | ||
| US201562128425P | 2015-03-04 | 2015-03-04 | |
| US62/128,425 | 2015-03-04 | ||
| PCT/EP2015/075115 WO2016066743A1 (en) | 2014-10-31 | 2015-10-29 | Parametric encoding and decoding of multichannel audio signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| BR112017008015A2 BR112017008015A2 (pt) | 2017-12-19 |
| BR112017008015B1 true BR112017008015B1 (pt) | 2023-11-14 |
Family
ID=54705555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR112017008015-0A BR112017008015B1 (pt) | 2014-10-31 | 2015-10-29 | Métodos e sistemas de decodificação e codificação de áudio |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US9955276B2 (enExample) |
| EP (2) | EP3540732B1 (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 (13)
| 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 |
| US20180358024A1 (en) * | 2015-05-20 | 2018-12-13 | 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 |
| EP3900394A1 (en) | 2018-12-21 | 2021-10-27 | FRAUNHOFER-GESELLSCHAFT zur Förderung der angewandten Forschung e.V. | Sound reproduction/simulation system and method for simulating a sound reproduction |
| US20200388292A1 (en) * | 2019-06-10 | 2020-12-10 | Google Llc | Audio channel mixing |
| US12499899B2 (en) | 2019-09-03 | 2025-12-16 | 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 |
| TWI884996B (zh) | 2019-10-30 | 2025-06-01 | 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 |
| EP4165629B1 (en) * | 2020-06-11 | 2025-05-14 | Dolby Laboratories Licensing Corporation | Methods and devices for encoding decoding spatial background noise within a multi-channel input signal |
| 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 |
| US20240161754A1 (en) * | 2021-04-06 | 2024-05-16 | Dolby International Ab | Encoding of envelope information of an audio downmix signal |
| WO2025091293A1 (zh) * | 2023-10-31 | 2025-05-08 | 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 |
| US20060165247A1 (en) | 2005-01-24 | 2006-07-27 | Thx, Ltd. | Ambient and direct surround sound system |
| EP1691348A1 (en) * | 2005-02-14 | 2006-08-16 | Ecole Polytechnique Federale De Lausanne | Parametric joint-coding of audio sources |
| EP1829424B1 (en) | 2005-04-15 | 2009-01-21 | Dolby Sweden AB | Temporal envelope shaping of decorrelated signals |
| EP1902443B1 (en) * | 2005-07-14 | 2009-06-03 | Koninklijke Philips Electronics N.V. | Audio encoding and decoding |
| EP1921606B1 (en) | 2005-09-02 | 2011-10-19 | Panasonic Corporation | Energy shaping device and energy shaping method |
| JP4740335B2 (ja) * | 2005-09-14 | 2011-08-03 | 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 |
| EP2629292B1 (en) * | 2006-02-03 | 2016-06-29 | 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 |
| US8687829B2 (en) * | 2006-10-16 | 2014-04-01 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for multi-channel parameter transformation |
| RU2439719C2 (ru) * | 2007-04-26 | 2012-01-10 | Долби Свиден АБ | Устройство и способ для синтезирования выходного сигнала |
| EP2076900A1 (en) * | 2007-10-17 | 2009-07-08 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Audio coding using upmix |
| MX2010012580A (es) * | 2008-05-23 | 2010-12-20 | Koninkl Philips Electronics Nv | Aparato de mezcla ascendente estereo parametrico, decodificador estereo parametrico, aparato de mezcla descendente estereo parametrico, codificador estereo parametrico. |
| 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 |
| KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
| 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 |
| CN103325374B (zh) | 2009-04-08 | 2017-06-06 | 弗劳恩霍夫应用研究促进协会 | 使用相位值平滑对下混频音频信号进行上混频的装置、方法和计算机程序 |
| EP2422344A1 (en) * | 2009-04-21 | 2012-02-29 | Koninklijke Philips Electronics N.V. | Audio signal synthesizing |
| 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 |
| EP4593010A3 (en) * | 2010-04-09 | 2025-08-27 | Dolby International AB | Mdct-based complex prediction stereo decoding |
| 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 |
| WO2012122397A1 (en) | 2011-03-09 | 2012-09-13 | Srs Labs, Inc. | System for dynamically creating and rendering audio objects |
| TWI543642B (zh) | 2011-07-01 | 2016-07-21 | 杜比實驗室特許公司 | 用於適應性音頻信號的產生、譯碼與呈現之系統與方法 |
| CN103890841B (zh) * | 2011-11-01 | 2017-10-17 | 皇家飞利浦有限公司 | 音频对象编码和解码 |
| 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 |
| JP6049762B2 (ja) * | 2012-02-24 | 2016-12-21 | ドルビー・インターナショナル・アーベー | オーディオ処理 |
| CN103460283B (zh) * | 2012-04-05 | 2015-04-29 | 华为技术有限公司 | 确定多信道音频信号的编码参数的方法及多信道音频编码器 |
| JP6163545B2 (ja) * | 2012-06-14 | 2017-07-12 | ドルビー・インターナショナル・アーベー | 可変数の受信チャネルに基づくマルチチャネル・オーディオ・レンダリングのためのなめらかな構成切り換え |
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| US9473870B2 (en) | 2012-07-16 | 2016-10-18 | Qualcomm Incorporated | Loudspeaker position compensation with 3D-audio hierarchical coding |
| US9516446B2 (en) | 2012-07-20 | 2016-12-06 | Qualcomm Incorporated | Scalable downmix design for object-based surround codec with cluster analysis by synthesis |
| US9826328B2 (en) | 2012-08-31 | 2017-11-21 | Dolby Laboratories Licensing Corporation | System for rendering and playback of object based audio in various listening environments |
| JP6186436B2 (ja) | 2012-08-31 | 2017-08-23 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 個々に指定可能なドライバへの上方混合されたコンテンツの反射されたおよび直接的なレンダリング |
| MX343564B (es) | 2012-09-12 | 2016-11-09 | Fraunhofer Ges Forschung | Aparato y metodo para proveer funciones mejoradas de mezcla guiada para audio 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 |
| JP6046274B2 (ja) * | 2013-02-14 | 2016-12-14 | ドルビー ラボラトリーズ ライセンシング コーポレイション | 上方混合されたオーディオ信号のチャネル間コヒーレンスの制御方法 |
| EP2981960B1 (en) * | 2013-04-05 | 2019-03-13 | Dolby International AB | Stereo audio encoder and decoder |
| 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 WO PCT/EP2015/075115 patent/WO2016066743A1/en not_active Ceased
- 2015-10-29 JP JP2017522811A patent/JP6640849B2/ja active Active
- 2015-10-29 US US15/521,157 patent/US9955276B2/en active Active
- 2015-10-29 ES ES15801335T patent/ES2709661T3/es active Active
- 2015-10-29 RU RU2017114642A patent/RU2704266C2/ru 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 CN201580059276.XA patent/CN107004421B/zh active Active
- 2015-10-29 EP EP15801335.9A patent/EP3213323B1/en active Active
- 2015-10-29 CN CN202010517613.8A patent/CN111816194B/zh active Active
- 2015-10-29 KR KR1020177011541A patent/KR102486338B1/ko active Active
-
2019
- 2019-12-26 JP JP2019235974A patent/JP7009437B2/ja active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107004421B (zh) | 2020-07-07 |
| JP2017536756A (ja) | 2017-12-07 |
| EP3540732A1 (en) | 2019-09-18 |
| RU2704266C2 (ru) | 2019-10-25 |
| RU2019131327A (ru) | 2019-11-25 |
| EP3540732B1 (en) | 2023-07-26 |
| EP3213323A1 (en) | 2017-09-06 |
| CN107004421A (zh) | 2017-08-01 |
| ES2709661T3 (es) | 2019-04-17 |
| RU2017114642A3 (enExample) | 2019-05-24 |
| KR20170078648A (ko) | 2017-07-07 |
| EP3213323B1 (en) | 2018-12-12 |
| JP7009437B2 (ja) | 2022-01-25 |
| KR102486338B1 (ko) | 2023-01-10 |
| US9955276B2 (en) | 2018-04-24 |
| CN111816194A (zh) | 2020-10-23 |
| JP2020074007A (ja) | 2020-05-14 |
| BR112017008015A2 (pt) | 2017-12-19 |
| WO2016066743A1 (en) | 2016-05-06 |
| US20170339505A1 (en) | 2017-11-23 |
| JP6640849B2 (ja) | 2020-02-05 |
| RU2017114642A (ru) | 2018-10-31 |
| CN111816194B (zh) | 2024-08-09 |
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