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EP0674306
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EP About this file: EP0674306
| EP0674306 - Signal bias removal for robust telephone speech recognition [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 30.10.1998 Database last updated on 10.07.2024 | Most recent event Tooltip | 30.10.1998 | Application deemed to be withdrawn | published on 16.12.1998 [1998/51] | Applicant(s) | For all designated states AT&T Corp. 32 Avenue of the Americas New York, NY 10013-2412 / US | [1995/39] | Inventor(s) | 01 /
Juang, Biing-Hwang 8 South Lane Somerset, New Jersey 07059 / US | 02 /
Rahim, Mazin G. 31 Kimberley Court Manalapan, New Jersey 07726 / US | [1995/39] | Representative(s) | Johnston, Kenneth Graham, et al Lucent Technologies EUR-IP UK Ltd Unit 18, Core 3 Workzone Innova Business Park Electric Avenue Enfield, EN3 7XB / GB | [N/P] |
| Former [1995/39] | Johnston, Kenneth Graham, et al AT&T (UK) Ltd. 5 Mornington Road Woodford Green Essex, IG8 OTU / GB | Application number, filing date | 95301747.2 | 16.03.1995 | [1995/39] | Priority number, date | US19940217035 | 24.03.1994 Original published format: US 217035 | [1995/39] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0674306 | Date: | 27.09.1995 | Language: | EN | [1995/39] | Type: | A3 Search report | No.: | EP0674306 | Date: | 10.09.1997 | [1997/37] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 23.07.1997 | Classification | IPC: | G10L3/02, G10L3/00 | [1997/36] | CPC: |
G10L15/20 (EP,US);
G10L15/02 (EP,US);
G10L15/142 (EP,US);
G10L21/0232 (EP,US)
|
| Former IPC [1995/39] | G10L3/00 | Designated contracting states | DE, ES, FR, GB, IT [1995/39] | Title | German: | Korrektur von Signalverzerrungen für robuste Spracherkennung über Telefon | [1995/39] | English: | Signal bias removal for robust telephone speech recognition | [1995/39] | French: | Correction de la distortion du signal pour reconnaissance robuste de la parole transmise par téléphone | [1995/39] | Examination procedure | 11.03.1998 | Application deemed to be withdrawn, date of legal effect [1998/51] | 14.07.1998 | Despatch of communication that the application is deemed to be withdrawn, reason: examination fee not paid in time [1998/51] | Fees paid | Renewal fee | 06.03.1997 | Renewal fee patent year 03 | Penalty fee | Penalty fee Rule 85b EPC 1973 | 21.04.1998 | M01 Not yet paid | Additional fee for renewal fee | 31.03.1998 | 04 M06 Not yet paid |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [Y]US4641238 (KNEIB KRISTINE N [US]) [Y] 10 * abstract *; | [XY]EP0219712 (OKI ELECTRIC IND CO LTD [JP]) [X] 9 * figures 2,6 * * column 1, line 26 - line 31 * * column 4, line 14 - line 35 * * column 8, line 26 - line 35 * * idem * [Y] 10; | [PX] - RAHIM M G ET AL, "Signal bias removal for robust telephone based speech recognition in adverse environments", PROCEEDINGS OF ICASSP '94. IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, ADELAIDE, SA, AUSTRALIA, 19-22 APRIL 1994, ISBN 0-7803-1775-0, 1994, NEW YORK, NY, USA, IEEE, USA, vol. I, pages 445 - 448, XP000529417 [PX] 1-4 * the whole document * | [A] - SADAOKI FURUI, "UNSUPERVISED SPEAKER ADAPTATION BASED ON HIERARCHICAL SPECTRAL CLUSTERING", IEEE TRANSACTIONS ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, (19891201), vol. 37, no. 12, pages 1923 - 1930, XP000099492 [A] 1,3,5,7 * paragraph [II.B]; figure 1 * DOI: http://dx.doi.org/10.1109/29.45538 | [A] - FU-HUA LIU ET AL, "EFFICIENT JOINT COMPENSATION OF SPEECH FOR THE EFFECTS OF ADDITIVE NOISE AND LINEAR FILTERING", ICASSP 92. PROCEEDINGS OF THE IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING, SAN FRANCISCO, MAR. 23 - 26, 1992, IEEE, USA, vol. 1, pages 257 - 260, XP000341132 [A] 1,3,5,7 * column 2, line 16 - line 25 * | [A] - CHUNG M I ET AL, "Word boundary detection and speech recognition of noisy speech by means of iterative noise cancellation techniques", ICASSP 85. PROCEEDINGS OF THE IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING (CAT. NO. 85CH2118-8), TAMPA, FL, USA, 26-29 MARCH 1985, 1985, NEW YORK, NY, USA, IEEE, USA, page 1838 vol.4, XP002034470 [A] 1,3,5,7 * the whole document * | [A] - CHEN Y, "Cepstral domain stress compensation for robust speech recognition", PROCEEDINGS OF ICASSP '87. IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH AND SIGNAL PROCESSING, DALLAS, TEXAS, 6-9 APRIL 1987, pages 717 - 720 Vol.2, XP002034471 [A] 1-8 * page 717, column 1, line 44 - line 48 * * page 719, column 2, line 18 - line 31 * |