(19)
(11) EP 3 591 649 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:
08.06.2022 Bulletin 2022/23

(45) Mention of the grant of the patent:
27.04.2022 Bulletin 2022/17

(21) Application number: 19171584.6

(22) Date of filing: 20.03.2015
(51) International Patent Classification (IPC): 
G10L 19/008(2013.01)
 G10L 19/24(2013.01)
(52) Cooperative Patent Classification (CPC):
H04S 3/008; H04S 2400/01; H04S 2420/11; G10L 19/24; G10L 19/008

(54)

METHOD AND APPARATUS FOR DECOMPRESSING A COMPRESSED HOA SIGNAL

VERFAHREN UND VORRICHTUNG ZUM DEKOMPRIMIEREN EINES KOMPRIMIERTEN HOA-SIGNALS

PROCÉDÉ ET APPAREIL DE DÉCOMPRESSION D'UN SIGNAL HOA COMPRIMÉ

(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: 21.03.2014 EP 14305412

(43) Date of publication of application:
08.01.2020 Bulletin 2020/02

(60) Divisional application:
22169940.8

(62) Application number of the earlier application in accordance with Art. 76 EPC:
15715180.4 / 3120352

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

(72) Inventors:
  • KORDON, Sven
    31515 Wunstorf (DE)
  • KRUEGER, Alexander
    31303 Burgdorf (DE)
  • WUEBBOLT, Oliver
    30559 Hannover (DE)

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


(56) References cited: : 
EP-A1- 2 665 208
   
  • "WD1-HOA Text of MPEG-H 3D Audio", 107. MPEG MEETING;13-1-2014 - 17-1-2014; SAN JOSE; (MOTION PICTURE EXPERT GROUP OR ISO/IEC JTC1/SC29/WG11),, no. N14264, 21 February 2014 (2014-02-21), XP030021001,
  • ERIK HELLERUD ET AL: "Spatial redundancy in Higher Order Ambisonics and its use for lowdelay lossless compression", ACOUSTICS, SPEECH AND SIGNAL PROCESSING, 2009. ICASSP 2009. IEEE INTERNATIONAL CONFERENCE ON, IEEE, PISCATAWAY, NJ, USA, 19 April 2009 (2009-04-19), pages 269-272, XP031459218, ISBN: 978-1-4244-2353-8
   
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).