(19)
(11) EP 3 489 953 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
15.06.2022 Bulletin 2022/24

(45) Mention of the grant of the patent:
20.04.2022 Bulletin 2022/16

(21) Application number: 18196350.5

(22) Date of filing: 22.06.2015
(51) International Patent Classification (IPC): 
G10L 19/008(2013.01)
(52) Cooperative Patent Classification (CPC):
G10L 19/008

(54)

DETERMINING A LOWEST INTEGER NUMBER OF BITS REQUIRED FOR REPRESENTING NON-DIFFERENTIAL GAIN VALUES FOR THE COMPRESSION OF AN HOA DATA FRAME REPRESENTATION

BESTIMMUNG EINER NIEDRIGSTEN GANZZAHL VON BITS, DIE ZUR DARSTELLUNG NICHTDIFFERENTIELLER VERSTÄRKUNGSWERTE BEI DER KOMPRIMIERUNG EINER HOA-DATENRAHMENDARSTELLUNG NOTWENDIG SIND

DÉTERMINATION DU PLUS PETIT NOMBRE ENTIER DE BITS NÉCESSAIRES POUR REPRÉSENTER DES VALEURS DE GAIN NON DIFFÉRENTIELLES POUR LA COMPRESSION D'UNE REPRÉSENTATION D'UNE TRAME DE DONNÉES HOA

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 27.06.2014 EP 14306026

(43) Date of publication of application:
29.05.2019 Bulletin 2019/22

(60) Divisional application:
22165452.8

(62) Application number of the earlier application in accordance with Art. 76 EPC:
15732579.6 / 3161821

(73) Proprietor: Dolby International AB
1097 DP Amsterdam (NL)

(72) Inventors:
  • KORDON, Sven
    31515 Wunstorf (DE)
  • KRUEGER, Alexander
    30655 Hannover (DE)

(74) Representative: Dolby International AB Patent Group Europe 
Mr. Treublaan 7
1097 DP Amsterdam
1097 DP Amsterdam (NL)


(56) References cited: : 
   
  • JOHANNES BOEHM ET AL: "Detailed Technical Description of 3D Audio Phase 2 Reference Model 0 for HOA technologies", 110. MPEG MEETING; 20-10-2014 - 24-10-2014; STRASBOURG; (MOTION PICTURE EXPERT GROUP OR ISO/IEC JTC1/SC29/WG11),, no. m35057, 19 October 2014 (2014-10-19), XP030063429,
  • "ISO/IEC JTC 1/SC 29 N ISO/IEC CD 23008-3 Information technology - High efficiency coding and media delivery in heterogeneous environments - Part 3: 3D audio", Electronic attachment of MPEG document N14459 , 4 April 2014 (2014-04-04), XP055206371, Retrieved from the Internet: URL:directory of XPVIDEO original files [retrieved on 2015-08-05]
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).