Patent SG-11201901645S-A (SG)
Title: Apparatus and method for encoding an audio signal using a compensation value
Inventor: DISCH SASCHA
IPC: G10L21/038
Filed: 2017-08-21
Abstract: band190 130 2 nd band audio signal 110 140 160 core encoder 121 signal analyzer f fanalysis 122 result y compensator 120 123 2' analysis result compensation value - N-124 125 100— spectral analyzer (frame builder) encoded audio signal 150 output interface parameter for 2 nd band 170 126 parameter calculator Fig. 1 (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 01 March 2018 (01.03.2018) W I PO I PCT Iiiimmomiolollmonoloollloollimoimomommill (10) International Publication Number WO 2018/036972 Al (51) International Patent Classification: G10L 21/038 (2013.01) (21) International Application Number: PCT/EP2017/071048 (22) International Filing Date: 21 August 2017 (21.08.2017) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 16185398.1 23 August 2016 (23.08.2016) EP (71) Applicants: FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG E.V. [DE/DE]; HansastraBe 27c, 80686 Miinchen (DE). FRIEDRICH-ALEXANDER-UNIVERSITAT ERLANGEN-NURNBERG [DE/DE]; Schlossplatz 4, 91054 Erlangen (DE). (72) Inventors: DISCH, Sascha; Wilhelmstrasse 70, 90766 Fiirth (DE). REUTELHUBER, Franz; Donato-Polli-Str. 54, 91056 Erlangen (DE). BUTHE, Jan; Neue StraBe 13, 91054 Erlangen (DE). MULTRUS, Markus; Etzlaubweg 7, 90469 Niirnberg (DE). EDLER, Bernd; Unterfarrnbach- er Strasse 29, 90766 Fiirth (DE). (74) Agent: ZINKLER, Franz et al.; Schoppe, Zimmermann, Stockeler, Zinkler, Schenk & Partner mbB, Radlkoferstr. 2, 81373 Miinchen (DE). (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, = (54) Title: APPARATUS AND METHOD FOR ENCODING AN AUDIO SIGNAL USING A COMPENSATION VALUE (57) : An apparatus for encoding an audio signal, comprises: a core encoder for core encoding first audio data in a first spectral band; a parametric coder for parametrically coding second audio data in a second spectral band being different from the first spectral band, wherein the parametric coder comprises: an analyzer for analyzing first audio data in the first spectral band to obtain a first analysis result and for analyzing second audio data in the second spectral band to obtain a second analysis result; a compensator for calculating a compensation value using the first analysis result and the second analysis result; and a parameter calculated for calculating a parameter from the second audio data in the second spectral band using the compensation value. [Continued on next page] WO 2018/036972 Al MIDEDIMOMOIDEIREIDIONIMOMOMOMMOVOIS 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))