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On the relevance of bandwidth extension for speaker identification
KTH, School of Computer Science and Communication (CSC), Speech, Music and Hearing, TMH, Speech Communication and Technology.
KTH, School of Electrical Engineering (EES), Communication Theory.
2015 (English)In: European Retail Research, ISSN 1782-1029, E-ISSN 2219-5491, European Signal Processing Conference, ISSN 2219-5491, 7072183Article in journal (Refereed) PublishedText
Abstract [en]

In this paper we discuss the relevance of bandwidth extension for speaker identification tasks. Mainly we want to study if it is possible to recognize voices that have been bandwith extended. For this purpose, we created two different databases (microphonic and ISDN) of speech signals that were bandwidth extended from telephone bandwidth ([300, 3400] Hz) to full bandwidth ([100, 8000] Hz). We have evaluated different parameterizations, and we have found that the MELCEPST parameterization can take advantage of the bandwidth extension algorithms in several situations.

Place, publisher, year, edition, pages
EUSIPCO , 2015. 7072183
Keyword [en]
Bandwidth, Loudspeakers, Signal processing, Bandwidth extended, Bandwidth extension, Speaker identification, Speech signals, Telephone bandwidth, Speech recognition
National Category
Control Engineering
URN: urn:nbn:se:kth:diva-187399ScopusID: 2-s2.0-84960855493OAI: diva2:931006
11th European Signal Processing Conference, EUSIPCO 2002; Toulouse; France; 3 September 2002 through 6 September 2002

QC 20160526

Available from: 2016-05-26 Created: 2016-05-23 Last updated: 2016-05-26Bibliographically approved

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