(19)
(11) EP 1 557 827 B8

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

(15) Correction information:
Corrected version no 2 (W2 B1)

(48) Corrigendum issued on:
07.01.2015 Bulletin 2015/02

(45) Mention of the grant of the patent:
01.10.2014 Bulletin 2014/40

(21) Application number: 02779956.8

(22) Date of filing: 31.10.2002
(51) International Patent Classification (IPC): 
G10L 21/02(2013.01)
G10L 19/06(2013.01)
(86) International application number:
PCT/JP2002/011332
(87) International publication number:
WO 2004/040555 (13.05.2004 Gazette 2004/20)

(54)

VOICE INTENSIFIER

SPRACHINTENSIVIERER

INTENSIFICATEUR DE VOIX


(84) Designated Contracting States:
DE FR GB

(43) Date of publication of application:
27.07.2005 Bulletin 2005/30

(73) Proprietor: FUJITSU LIMITED
Kawasaki-shi, Kanagawa 211-8588 (JP)

(72) Inventors:
  • SUZUKI, Masanao
    Kawasaki-shi, Kanagawa 211-8588 (JP)
  • TANAKA, Masakiyo
    Kawasaki-shi, Kanagawa 211-8588 (JP)
  • OTA, Yasuji
    Kawasaki-shi, Kanagawa 211-8588 (JP)
  • TSUCHINAGA, Yoshiteru
    Fukuoka-shi, Fukuoka 814-8588 (JP)

(74) Representative: Hoffmann Eitle 
Patent- und Rechtsanwälte PartmbB Arabellastraße 30
81925 München
81925 München (DE)


(56) References cited: : 
EP-A- 0 994 463
JP-A- 8 160 992
JP-A- 8 305 397
US-A1- 2003 158 728
EP-A2- 0 294 020
JP-A- 8 248 996
US-A- 6 073 092
   
  • MCCREE A V ET AL: "Implementation and evaluation of a 2400 bit/s mixed excitation LPC vocoder" STATISTICAL SIGNAL AND ARRAY PROCESSING. MINNEAPOLIS, APR. 27 - 30, 1993, PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING (ICASSP), NEW YORK, IEEE, US, vol. VOL. 4, 27 April 1993 (1993-04-27), pages 159-162, XP010110418 Minneapolis, USA ISBN: 0-7803-0946-4
  • TIAN WANG ET AL: "A high quality MBE-LPC-FE speech coder at 2.4 kbps and 1.2 kbps" 1996 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING CONFERENCE PROCEEDINGS (CAT. NO.96CH35903) IEEE, [Online] vol. 1, 1996, pages 208-211 vol., XP002473512 NEW YORK, NY, USA ISBN: 0-7803-3192-3 Retrieved from the Internet: URL:http://ieeexplore.ieee.org/xpls/abs_al l.jsp?arnumber=540327> [retrieved on 2008-03-19]
  • HANSEN J H ET AL: "Iterative speech enhancement with spectral constraints" PROCEEDINGS: ICASSP 87. 1987 INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING (CAT. NO.87CH2396-0), [Online] 1987, pages 189-192 vol.1, XP002473513 NEW YORK, NY, USA Retrieved from the Internet: URL:http://ieeexplore.ieee.org/xpls/abs_al l.jsp?arnumber=1169636> [retrieved on 2008-03-19]
  • F. J. Owens: "Signal Processing of Speech", 1 January 1993 (1993-01-01), Macmillan New Electronic Series, London ISBN: 0-333-51921-3 vol. 1, pages 59-78,
  • MCLOUGHLIN I V ET AL: "LSP-based speech modification for intelligibility enhancement", DIGITAL SIGNAL PROCESSING PROCEEDINGS, 1997. DSP 97., 1997 13TH INTERN ATIONAL CONFERENCE ON SANTORINI, GREECE 2-4 JULY 1997, NEW YORK, NY, USA,IEEE, US, vol. 2, 2 July 1997 (1997-07-02), pages 591-594, XP010251101, DOI: 10.1109/ICDSP.1997.628419 ISBN: 978-0-7803-4137-1
  • HERMANSEN & P RUBAK & F K FINK K: "Spectral sharpening of speech signals using the partran tool", NORSIG 94,, 1 June 1994 (1994-06-01), pages 126-129, XP009149503,
  • WANG F M ET AL: "Frequency domain adaptive postfiltering for enhancement of noisy speech", SPEECH COMMUNICATION, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 12, no. 1, 1 March 1993 (1993-03-01), pages 41-56, XP026658543, ISSN: 0167-6393, DOI: 10.1016/0167-6393(93)90017-F [retrieved on 1993-03-01]
   
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).