(19)
(11) EP 2 076 901 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:
16.08.2017 Bulletin 2017/33

(45) Mention of the grant of the patent:
10.05.2017 Bulletin 2017/19

(21) Application number: 07819259.8

(22) Date of filing: 23.10.2007
(51) International Patent Classification (IPC): 
G10L 19/022(2013.01)
G10L 19/02(2013.01)
(86) International application number:
PCT/EP2007/009199
(87) International publication number:
WO 2008/049589 (02.05.2008 Gazette 2008/18)

(54)

APPARATUS AND METHOD FOR GENERATING AUDIO SUBBAND VALUES AND APPARATUS AND METHOD FOR GENERATING TIME-DOMAIN AUDIO SAMPLES

VORRICHTUNG UND VERFAHREN ZUM ERZEUGEN VON AUDIOSUBBANDWERTEN UND VORRICHTUNG UND VERFAHREN ZUM ERZEUGEN VON ZEITBEREICHS-AUDIOSAMPLES

APPAREIL ET PROCÉDÉ POUR LA GÉNÉRATION DE VALEURS DE SOUS-BANDES AUDIO, APPAREIL ET PROCÉDÉ POUR LA GÉNÉRATION D'ÉCHANTILLONS AUDIO DE DOMAINE TEMPOREL


(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

(30) Priority: 25.10.2006 US 862954 P

(43) Date of publication of application:
08.07.2009 Bulletin 2009/28

(60) Divisional application:
09010010.8 / 2109098
17169583.6

(73) Proprietor: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
80686 München (DE)

(72) Inventors:
  • SCHNELL, Markus
    91052 Erlangen (DE)
  • LUTZKY, Manfred
    90427 Nuernberg (DE)
  • LOHWASSER, Markus
    91217 Hersbruck (DE)
  • SCHMIDT, Markus
    91052 Erlangen (DE)
  • GAYER, Marc
    91054 Erlangen (DE)
  • MELLAR, Michael
    67067 Ludwigshafen (DE)
  • EDLER, Bernd
    30419 Hannover (DE)
  • MULTRUS, Markus
    90469 Nuernberg (DE)
  • SCHULLER, Gerald
    99089 Erfurt (DE)
  • GEIGER, Ralf
    90409 Nürnberg (DE)
  • GRILL, Bernhard
    91207 Lauf (DE)

(74) Representative: Zinkler, Franz 
Schoppe, Zimmermann, Stöckeler Zinkler, Schenk & Partner mbB Patentanwälte Radlkoferstrasse 2
81373 München
81373 München (DE)


(56) References cited: : 
EP-A- 1 199 711
   
  • GEIGER ET AL: "Enhanced MPEG-4 Low Delay AAC - Low Bitrate High Quality Communication" PREPRINTS OF PAPERS PRESENTED AT THE 122TH AES CONVENTION, vol. 122nd, no. 6998, 5 May 2007 (2007-05-05), - 8 May 2007 (2007-05-08) pages 1211-1223, XP009092156 Vienna, Austria
  • GERALD SCHULLER: "Time-Varying Filter Banks with Low Delay for Audio Coding" PROCEEDINGS: 105TH AUDIO ENGINEERING SOCIETY (AES) CONVENTION, September 1998 (1998-09), pages 1-21, XP002469868 San Francisco, CA
  • LUTZKY M. ET AL: "Structural Analysis of Low Latency Audio Coding Schemes" AES 119TH CONVENTION, 7 October 2005 (2005-10-07), - 10 October 2005 (2005-10-10) XP002469869 New York, NY
  • FLORENCIO D A F ED - INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS: "On the use of asymmetric windows for reducing the time delay in real-time spectral analysis" INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, ICASSP-91, vol. 5, 14 April 1991 (1991-04-14), - 17 April 1991 (1991-04-17) pages 3261-3264, XP010043720 Toronto, Ont., Canada ISBN: 0-7803-0003-3
  • GERALD D T SCHULLER ET AL: "Modulated Filter Banks with Arbitrary System Delay: Efficient Implementations and the Time-Varying Case" IEEE TRANSACTIONS ON SIGNAL PROCESSING, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 48, no. 3, March 2000 (2000-03), XP011058898 ISSN: 1053-587X
  • EKSTRAND P: "BANDWIDTH EXTENSION OF AUDIO SIGNALS BY SPECTRAL BAND REPLICATION", IEEE BENELUX WORKSHOP ON MODEL BASED PROCESSING AND CODING OF AUDIO, 15 November 2002 (2002-11-15), pages 53-58, XP000962047,
  • MARKUS SCHNELL ET AL: "Proposed Core Experiment on AAC-ELD", 80. MPEG MEETING; 23.4.2007 - 27.4.2007; SAN JOSE; (MOTION PICTUREEXPERT GROUP OR ISO/IEC JTC1/SC29/WG11),, no. M14517, 18 April 2007 (2007-04-18), XP030043154, ISSN: 0000-0139
  • MARKUS SCHNELL ET AL: "Low Delay Filterbanks for Enhanced Low Delay Audio Coding", APPLICATIONS OF SIGNAL PROCESSING TO AUDIO AND ACOUSTICS, 2007 IEEE WO RKSHOP ON, IEEE, PI, 21 October 2007 (2007-10-21), pages 235-238, XP031167080, ISBN: 978-1-4244-1618-9
   
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).