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1. (WO2016106145) PROJECTION-BASED AUDIO OBJECT EXTRACTION FROM AUDIO CONTENT
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/2016/106145    International Application No.:    PCT/US2015/066798
Publication Date: 30.06.2016 International Filing Date: 18.12.2015
Chapter 2 Demand Filed:    05.10.2016    
IPC:
H04S 5/00 (2006.01), G06K 9/62 (2006.01), H03H 21/00 (2006.01)
Applicants: DOLBY LABORATORIES LICENSING CORPORATION [US/US]; 1275 Market Street San Francisco, California 94103 (US)
Inventors: HU, Mingqing; (CN).
LU, Lie; (CN).
CHEN, Lianwu; (CN)
Agent: ANDERSEN, Robert L.; Dolby Laboratories, Inc. Intellectual Property Group 1275 Market Street San Francisco, California 94103 (US).
DOLBY INTERNATIONAL AB PATENT GROUP EUROPE; Apollo Building, 3E Herikerbergweg 1-35 1101 CN Amsterdam Zuidoost (NL)
Priority Data:
201410814973.9 22.12.2014 CN
62/108,254 27.01.2015 US
Title (EN) PROJECTION-BASED AUDIO OBJECT EXTRACTION FROM AUDIO CONTENT
(FR) EXTRACTION D'OBJET AUDIO BASÉE SUR LA PROJECTION, À PARTIR D'UN CONTENU AUDIO
Abstract: front page image
(EN)A method is disclosed for audio object extraction from an audio content which includes identifying a first set of projection spaces including a first subset for a first channel and a second subset for a second channel of the plurality of channels. The method may further include determining a first set of correlations between the first and second channels, each of the first set of correlations corresponding to one of the first subset of projection spaces and one of the second subset of projection spaces. Still further, the method may include extracting an audio object from an audio signal of the first channel at least in part based on a first correlation among the first set of correlations and the projection space from the first subset corresponding to the first correlation, the first correlation being greater than a first predefined threshold. Corresponding system and computer program products are also disclosed.
(FR)L'invention concerne un procédé d'extraction d'un objet audio à partir d'un contenu audio. Le procédé consiste à : identifier un premier ensemble d'espaces de projection comprenant un premier sous-ensemble pour un premier canal et un second sous-ensemble pour un second canal de la pluralité de canaux; déterminer un premier ensemble de corrélations entre les premier et second canaux, chacune du premier ensemble de corrélations correspondant à l'un du premier sous-ensemble d'espaces de projection et à l'un du second sous-ensemble d'espaces de projection; et extraire un objet audio à partir d'un signal audio du premier canal sur la base, au moins en partie, d'une première corrélation parmi le premier ensemble de corrélations et l'espace de projection du premier sous-ensemble correspondant à la première corrélation, la première corrélation étant supérieure à un premier seuil prédéfini. L'invention concerne également un système et des produits programme d'ordinateur correspondants.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW.
African Regional Intellectual Property Organization (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Organization (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG).
Publication Language: English (EN)
Filing Language: English (EN)