Apparatus and method for processing an audio signal for speech enhancement using a feature extraction

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EP 2 151 822 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:
	24.10.2018 Bulletin 2018/43

(45)	Mention of the grant of the patent:
	25.04.2018 Bulletin 2018/17

(21)	Application number: 08017124.2

(22)	Date of filing: 29.09.2008

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International Patent Classification (IPC):

G10L 21/0208^(2013.01)
G10L 21/0216^(2013.01)

G10L 25/30^(2013.01)

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Apparatus and method for processing an audio signal for speech enhancement using a feature extraction

Vorrichtung und Verfahren zur Verarbeitung eines Audiosignals zur Sprachverstärkung unter Anwendung einer Merkmalsextraktion

Appareil et procédé de traitement d'un signal audio pour amélioration de la parole utilisant une extraction de fonction

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

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Priority:

05.08.2008 US 086361

(43)	Date of publication of application:
	10.02.2010 Bulletin 2010/06

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

(72)	Inventors:
	Uhle, Christian 90489 Nuernberg (DE) Hellmuth, Oliver 91052 Erlangen (DE) Grill, Bernhard 91207 Lauf (DE) Ridderbusch, Falko 90419 Nuernberg (DE)

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

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References cited: :

EP-A- 1 091 349

C UHLE, C PAUL: "A SUPERVISED LEARNING APPROACH TO AMBIENCE EXTRACTION FROM MONO RECORDINGS FOR BLIND UPMIXING" PROC. OF THE 11TH CONF. ON DIGITAL AUDIO EFFECTS (DAFX-08), [Online] 1 September 2008 (2008-09-01), - 4 September 2008 (2008-09-04) pages 1-8, XP002513198 Espoo, Finland Retrieved from the Internet: URL:http://www.acoustics.hut.fi/dafx08/pap ers/dafx08_25.pdf> [retrieved on 2009-01-29]
OPENSHAW J P ET AL: "A comparison of composite features under degraded speech in speaker recognition" PLENARY, SPECIAL, AUDIO, UNDERWATER ACOUSTICS, VLSI, NEURAL NETWORKS. MINNEAPOLIS, APR. 27 - 30, 1993; [PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING (ICASSP)], NEW YORK, IEEE, US, vol. 2, 27 April 1993 (1993-04-27), pages 371-374, XP010110471 ISBN: 978-0-7803-0946-3
MICHAEL KLEINSCHMIDT ET AL: "Sub-band SNR estimation using auditory feature processing", SPEECH COMMUNICATION, vol. 39, no. 1-2, 1 January 2003 (2003-01-01), pages 47-63, XP055077312, ISSN: 0167-6393, DOI: 10.1016/S0167-6393(02)00058-4
JÜRGEN TCHORZ ET AL: "SNR Estimation Based on Amplitude Modulation Analysis With Applications to Noise Suppression", IEEE TRANSACTIONS ON SPEECH AND AUDIO PROCESSING, IEEE SERVICE CENTER, NEW YORK, NY, US, vol. 11, no. 3, 1 May 2003 (2003-05-01), XP011079710, ISSN: 1063-6676

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