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Effects of emphasizing transitional or stationary parts of the speech signal in a discrete utterance recognition system
KTH, School of Computer Science and Communication (CSC), Speech, Music and Hearing, TMH.
1981 (English)In: STL-QPSR, Vol. 22, no 4, 39-48 p.Article in journal (Refereed) Published
Abstract [en]

A pattern matching word recognition system has been modified in order to emphasize the transient parts of speech in the similarity mesure. The technique is to weight the word distances with a normalized spectral change function. A small positive effect is measured. Emphasizing the stationary parts is shown to substantially decrease the performance. Adding the time derivative of the speech parameters to the word patterns improves performance significantly.  This is probaly a consequence of an improvement in the description of the transient segments.

Place, publisher, year, edition, pages
1981. Vol. 22, no 4, 39-48 p.
National Category
Computer and Information Science
URN: urn:nbn:se:kth:diva-93627OAI: diva2:517185
NR 20140805Available from: 2012-04-21 Created: 2012-04-21Bibliographically approved

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Blomberg, Mats
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