Patent CA-3091183-A1 (CA)
Title: Methods, apparatus and systems for three degrees of freedom (3dof+) extension of mpeg-h 3d audio
Inventor: FERSCH CHRISTOF
IPC: H04S7/00
Filed: 2019-04-09
Abstract: (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY  (PCT) (19) World Intellectual Property Organization International Bureau (10) International Publication Number (43) International Publication Date                 WO 2019/197403 Al 17 October 2019 (17.10.2019)     WIPO I PCT (51) International Patent Classification:                                          (71) Applicant: DOLBY INTERNATIONAL AB [SE/NL]; HO4S 7/00 (2006.01)     G06F 3/01 (2006.01) Apollo Building, 3E, Herikerbergweg 1-35, 1101 CN Am-sterdam Zuidoost (NL). (21) International Application Number: PCT/EP2019/058954 (72) Inventors: FERSCH, Christof; c/o Dolby Ger-many GmbH, Deutschherrnstrasse 15-19, 90429 Nurem-(22) International Filing Date: berg (DE). TERENTIV, Leon; c/o Dolby Germany 09 April 2019 (09.04.2019) GmbH, Deutschherrnstrasse 15-19, 90429 Nuremberg (25) Filing Language:                    English (DE). FISCHER, Daniel; c/o Dolby Germany GmbH, (26) Publication Language:               English    Deutschherrnstrasse 15-19, 90429 Nuremberg (DE). (74) Agent: DOLBY INTERNATIONAL AB PATENT (30) Priority Data: GROUP EUROPE; Apollo Building, 3E, Herikerbergweg 62/654,915        09 April 2018 (09.04.2018)    US 1-35, 1101 CN Amsterdam Zuidoost (NL). 62/695,446        09 July 2018 (09.07.2018)    US 62/823,159        25 March 2019 (25.03.2019) US (81) Designated States (unless otherwise indicated, for every kind of national protection available): 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, DJ, DK, DM, DO, (54) Title: METHODS, APPARATUS AND SYSTEMS FOR THREE DEGREES OF FREEDOM  (3D0F+) EXTENSION OF MPEG-Obtain listener orientation information indicative of an orientation of a listener's head Obtain listener displacement information indicative of a displacement of the listener's head Determine the object position from the position information Modify the object position based on the listener displacement information Further modify the modified object position based on the listener orientation information Figu re 5 en (57) Abstract: Described is a method of processing position information indicative of an object position of an audio object, wherein 0 the object position is usable for rendering of the audio object, that comprises: obtaining listener orientation information indicative of Nre h an orientation of a listener's head; obtaining listener displacement information indicative of a displacement of the listener's head; deter-mining the object position from the position information; modifying the object position based on the listener displacement information by applying a translation to the object position; and further modifying the modified object position based on the listener orientation information. Further described is a corresponding apparatus for processing position information indicative of an object position of an audio object, wherein the object position is usable for rendering of the audio object. [Continued on next page]     WO 2019/197403 Al I11111 RINIl 1111111111111111 3E111 I II 111 011 IIH    DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, EL, IN, ER, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, 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. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): AREPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (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), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Declarations under Rule 4.17: ¨    as to applicant's entitlement to apply for and be granted a patent (Rule 4.1700) ¨    as to the applicant's entitlement to claim the priority of the earlier application (Rule 4.17(iii)) Published: ¨    with international search report (Art. 21(3))