(19)
(11) EP 2 940 685 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:
19.08.2020 Bulletin 2020/34

(45) Mention of the grant of the patent:
24.06.2020 Bulletin 2020/26

(21) Application number: 13873587.3

(22) Date of filing: 23.07.2013
(51) International Patent Classification (IPC): 
G10L 19/02(2013.01)
G10L 19/08(2013.01)
 G10L 21/038(2013.01)
(86) International application number:
PCT/CN2013/079883
(87) International publication number:
WO 2014/117484 (07.08.2014 Gazette 2014/32)

(54)

PREDICTION METHOD AND DECODING DEVICE FOR BANDWIDTH EXPANSION BAND SIGNAL

VORHERSAGEVERFAHREN UND DECODIERUNGSVORRICHTUNG FÜR EIN BANDBREITENERWEITERUNGS-BANDSIGNAL

PROCÉDÉ DE PRÉDICTION ET DISPOSITIF DE DÉCODAGE POUR SIGNAL DE BANDE D'EXTENSION DE BANDE PASSANTE

(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: 29.01.2013 CN 201310034240

(43) Date of publication of application:
04.11.2015 Bulletin 2015/45

(60) Divisional application:
20181460.5

(73) Proprietor: Crystal Clear Codec, LLC
Houston, TX 77019 (US)

(72) Inventors:
  • LIU, Zexin
    Shenzhen Guangdong 518129 (CN)
  • MIAO, Lei
    Shenzhen Guangdong 518129 (CN)
  • QI, Fengyan
    Shenzhen Guangdong 518129 (CN)

(74) Representative: Altenburg, Bernardus Stephanus Franciscus 
DOGIO Patents BV PO Box 2350
1200 CJ Hilversum
1200 CJ Hilversum (NL)


(56) References cited: : 
EP-A1- 2 186 086
CN-A- 101 853 664
CN-A- 102 610 231
 WO-A1-2012/095700
CN-A- 102 194 457
US-A1- 2011 288 873
   
  • JIE ZHAN ET AL: "Bandwidth Extension for China AVS-M standard", ACOUSTICS, SPEECH AND SIGNAL PROCESSING, 2009. ICASSP 2009. IEEE INTERNATIONAL CONFERENCE ON, IEEE, PISCATAWAY, NJ, USA, 19 April 2009 (2009-04-19), pages 4149-4152, XP031460188, ISBN: 978-1-4244-2353-8
  • LEI MIAO HUAWEI TECHNOLOGIES CHINA: "G.722-SWB: Proposed draft specification for the superwideband embedded extension for ITU-T G.722;C 463", ITU-T DRAFT ; STUDY PERIOD 2009-2012, INTERNATIONAL TELECOMMUNICATION UNION, GENEVA ; CH, vol. 10/16, 7 October 2010 (2010-10-07), pages 1-89, XP044050837, [retrieved on 2010-10-07]
  • VASEGHI S ET AL: "Speech Bandwidth Extension: Extrapolations of Spectral Envelop and Harmonicity Quality of Excitation", ACOUSTICS, SPEECH AND SIGNAL PROCESSING, 2006. ICASSP 2006 PROCEEDINGS . 2006 IEEE INTERNATIONAL CONFERENCE ON TOULOUSE, FRANCE 14-19 MAY 2006, PISCATAWAY, NJ, USA,IEEE, PISCATAWAY, NJ, USA, vol. 3, 14 May 2006 (2006-05-14), pages III-844, XP010930611, DOI: 10.1109/ICASSP.2006.1660786 ISBN: 978-1-4244-0469-8
   
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).