CA2646278A1 - Procede de codage et de decodage de signal audio a base d'objet et appareil correspondant - Google Patents
Procede de codage et de decodage de signal audio a base d'objet et appareil correspondant Download PDFInfo
- Publication number
- CA2646278A1 CA2646278A1 CA002646278A CA2646278A CA2646278A1 CA 2646278 A1 CA2646278 A1 CA 2646278A1 CA 002646278 A CA002646278 A CA 002646278A CA 2646278 A CA2646278 A CA 2646278A CA 2646278 A1 CA2646278 A1 CA 2646278A1
- Authority
- CA
- Canada
- Prior art keywords
- information
- audio signal
- channel
- based parameter
- signal
- 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.)
- Abandoned
Links
- 230000005236 sound signal Effects 0.000 title claims abstract description 119
- 238000000034 method Methods 0.000 title claims abstract description 43
- 230000000694 effects Effects 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims description 41
- 239000000284 extract Substances 0.000 claims description 11
- 238000009877 rendering Methods 0.000 claims description 6
- 230000006870 function Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 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
- G10L19/04—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
- G10L19/173—Transcoding, i.e. converting between two coded representations avoiding cascaded coding-decoding
-
- 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
- G10L19/20—Vocoders using multiple modes using sound class specific coding, hybrid encoders or object based coding
-
- 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
- H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US77147106P | 2006-02-09 | 2006-02-09 | |
US60/771,471 | 2006-02-09 | ||
US77333706P | 2006-02-15 | 2006-02-15 | |
US60/773,337 | 2006-02-15 | ||
US88071407P | 2007-01-17 | 2007-01-17 | |
US60/880,714 | 2007-01-17 | ||
US88094207P | 2007-01-18 | 2007-01-18 | |
US60/880,942 | 2007-01-18 | ||
PCT/KR2007/000730 WO2007091870A1 (fr) | 2006-02-09 | 2007-02-09 | Procédé de codage et de décodage de signal audio à base d'objet et appareil correspondant |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2646278A1 true CA2646278A1 (fr) | 2007-08-16 |
Family
ID=39731308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002646278A Abandoned CA2646278A1 (fr) | 2006-02-09 | 2007-02-09 | Procede de codage et de decodage de signal audio a base d'objet et appareil correspondant |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1984916A4 (fr) |
JP (1) | JP2009526467A (fr) |
AU (1) | AU2007212873B2 (fr) |
BR (1) | BRPI0708047A2 (fr) |
CA (1) | CA2646278A1 (fr) |
TW (1) | TWI326448B (fr) |
WO (1) | WO2007091870A1 (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2575129A1 (fr) * | 2006-09-29 | 2013-04-03 | Electronics and Telecommunications Research Institute | Appareil et procédé de codage et de décodage d'un signal audio à objets multiples ayant divers canaux |
BRPI0715312B1 (pt) | 2006-10-16 | 2021-05-04 | Koninklijke Philips Electrnics N. V. | Aparelhagem e método para transformação de parâmetros multicanais |
MY145497A (en) | 2006-10-16 | 2012-02-29 | Dolby Sweden Ab | Enhanced coding and parameter representation of multichannel downmixed object coding |
EP2595148A3 (fr) | 2006-12-27 | 2013-11-13 | Electronics and Telecommunications Research Institute | Dispositif de codage de signaux audio multi-objet |
KR101443568B1 (ko) | 2007-01-10 | 2014-09-23 | 코닌클리케 필립스 엔.브이. | 오디오 디코더 |
WO2008100100A1 (fr) | 2007-02-14 | 2008-08-21 | Lg Electronics Inc. | Procédés et appareils de codage et de décodage de signaux audio fondés sur des objets |
EP2624253A3 (fr) * | 2007-10-22 | 2013-11-06 | Electronics and Telecommunications Research Institute | Procédé et appareil de codage et décodage audio multiobjets |
KR101328962B1 (ko) * | 2008-01-01 | 2013-11-13 | 엘지전자 주식회사 | 오디오 신호 처리 방법 및 장치 |
CN101911182A (zh) * | 2008-01-01 | 2010-12-08 | Lg电子株式会社 | 用于处理音频信号的方法和装置 |
US8615088B2 (en) | 2008-01-23 | 2013-12-24 | Lg Electronics Inc. | Method and an apparatus for processing an audio signal using preset matrix for controlling gain or panning |
EP2083585B1 (fr) | 2008-01-23 | 2010-09-15 | LG Electronics Inc. | Procédé et appareil de traitement de signal audio |
KR101461685B1 (ko) * | 2008-03-31 | 2014-11-19 | 한국전자통신연구원 | 다객체 오디오 신호의 부가정보 비트스트림 생성 방법 및 장치 |
CN102007533B (zh) * | 2008-04-16 | 2012-12-12 | Lg电子株式会社 | 用于处理音频信号的方法和装置 |
KR101061129B1 (ko) | 2008-04-24 | 2011-08-31 | 엘지전자 주식회사 | 오디오 신호의 처리 방법 및 이의 장치 |
EP2360194B1 (fr) * | 2008-11-27 | 2015-03-11 | Toray Industries, Inc. | Composition de résine de siloxane et film protecteur pour écran tactile l'utilisant |
SG11201504368VA (en) | 2012-12-04 | 2015-07-30 | Samsung Electronics Co Ltd | Audio providing apparatus and audio providing method |
US9860663B2 (en) * | 2013-01-15 | 2018-01-02 | Koninklijke Philips N.V. | Binaural audio processing |
US20160066118A1 (en) * | 2013-04-15 | 2016-03-03 | Intellectual Discovery Co., Ltd. | Audio signal processing method using generating virtual object |
TWI615834B (zh) * | 2013-05-31 | 2018-02-21 | Sony Corp | 編碼裝置及方法、解碼裝置及方法、以及程式 |
KR102231755B1 (ko) * | 2013-10-25 | 2021-03-24 | 삼성전자주식회사 | 입체 음향 재생 방법 및 장치 |
EP3127110B1 (fr) * | 2014-04-02 | 2018-01-31 | Dolby International AB | Exploitation de redondance de métadonnées dans des métadonnées audio immersives |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100416757B1 (ko) * | 1999-06-10 | 2004-01-31 | 삼성전자주식회사 | 위치 조절이 가능한 가상 음상을 이용한 스피커 재생용 다채널오디오 재생 장치 및 방법 |
CN1973318B (zh) * | 2002-10-14 | 2012-01-25 | 汤姆森许可贸易公司 | 用于对音频信号的表示描述进行编码或解码的方法和设备 |
CN1717955B (zh) * | 2002-12-02 | 2013-10-23 | 汤姆森许可贸易公司 | 用于描述音频信号的合成的方法 |
EP1427252A1 (fr) * | 2002-12-02 | 2004-06-09 | Deutsche Thomson-Brandt Gmbh | Procédé et appareil pour le traitement de signaux audio à partir d'un train de bits |
JP2005352396A (ja) * | 2004-06-14 | 2005-12-22 | Matsushita Electric Ind Co Ltd | 音響信号符号化装置および音響信号復号装置 |
CN101410891A (zh) | 2006-02-03 | 2009-04-15 | 韩国电子通信研究院 | 使用空间线索控制多目标或多声道音频信号的渲染的方法和装置 |
EP2575129A1 (fr) | 2006-09-29 | 2013-04-03 | Electronics and Telecommunications Research Institute | Appareil et procédé de codage et de décodage d'un signal audio à objets multiples ayant divers canaux |
-
2007
- 2007-02-09 BR BRPI0708047-6A patent/BRPI0708047A2/pt not_active IP Right Cessation
- 2007-02-09 TW TW96104926A patent/TWI326448B/zh not_active IP Right Cessation
- 2007-02-09 JP JP2008554147A patent/JP2009526467A/ja active Pending
- 2007-02-09 AU AU2007212873A patent/AU2007212873B2/en not_active Ceased
- 2007-02-09 CA CA002646278A patent/CA2646278A1/fr not_active Abandoned
- 2007-02-09 WO PCT/KR2007/000730 patent/WO2007091870A1/fr active Application Filing
- 2007-02-09 EP EP07708880A patent/EP1984916A4/fr not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
WO2007091870A1 (fr) | 2007-08-16 |
BRPI0708047A2 (pt) | 2011-05-17 |
TW200741649A (en) | 2007-11-01 |
EP1984916A1 (fr) | 2008-10-29 |
EP1984916A4 (fr) | 2010-09-29 |
WO2007091870A8 (fr) | 2008-09-12 |
JP2009526467A (ja) | 2009-07-16 |
AU2007212873B2 (en) | 2010-02-25 |
AU2007212873A1 (en) | 2007-08-16 |
TWI326448B (en) | 2010-06-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
FZDE | Discontinued |