W O 20 18/ 175 0 12 Al FIG. 24 2410 ( -2412 Generate, based on the compadson, missing target samples using at least one of a reform= frame based on the reference channel or a target frame based on the modified newt channel. where the fins, signal corresponds to a portion lithe reference frame, and where the second signal ourresponds to a portion of the target frame. ( 2408 Determine a temporal correlertion value indicative of a tempond ourrelertion between a fina signal associated with the referemx channel and a wound signal associated with the modified target channel ( .2404 Identify a target channel and a .eference channel, the target channel and the reference channel identified film the two or more channels based on a mismatch value ( 2406 Caleraa a modified Ursa channel by tempondly adjusting the target channel bawd on the mismatch value. the mismatch value indicative of an amount of tumoral mismatch between the target channel and the reference channel Compare the tniaporill corre (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 27 September 2018 (27.09.2018) WIP0 I PCT ill mu °mons I SID o olommoollm VIII VII VII IE (10) International Publication Number WO 2018/175012 Al (51) International Patent Classification: G10L 19/008 (2013.01) (21) International Application Number: PCT/US2018/017654 (22) International Filing Date: 09 February 2018 (09.02.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/474,010 20 March 2017 (20.03.2017) US 15/892,130 08 February 2018 (08.02.2018) US (71) Applicant: QUALCOMM INCORPORATED [US/US]; ATTN: International IP Administration, 5775 Morehouse Drive, San Diego, California 92121-1714 (US). (72) Inventors: ATTI, Venkatraman; 5775 Morehouse Drive, San Diego, California 92121-1714 (US). CHEBIYYAM, Venkata Subrahmanyam Chandra Sekhar; 5775 More- house Drive, San Diego, California 92121-1714 (US). (74) Agent: TOLER LAW GROUP, PC et al.; 8500 Bluffstone Cove, Suite A201, Austin, Texas 78759 (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, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, 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): ARIPO (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). Published: — with international search report (Art. 21(3)) (54) Title: TARGET SAMPLE GENERATION (57) : A method of encoding audio channels includes receiving two or more channels at an encoder and identifying a target channel and a reference channel. The target channel and the reference channel are identified from the two or more channels based on a mismatch value. The method also includes generating a modified target channel by temporally adjusting the target channel based on the mismatch value. The mismatch value is indicative of an amount of temporal mismatch between the target channel and the reference channel. The method also includes determining a temporal correlation value indicative of a temporal correlation between a first signal associated with the reference channel and a second signal associated with the modified target channel. The method also includes comparing the temporal correlation value to a threshold. The method further includes generating missing target samples based on the comparison, a coder type, or both.
TARGET SAMPLE GENERATION