DocumentCode
843980
Title
Digital filter interpolation of decoded LSFs for distributed continuous speech recognition
Author
de Alencar, V.F.S. ; Alcaim, A.
Author_Institution
Centre for Telecommun. Studies, Catholic Univ., Rio de Janeiro
Volume
44
Issue
17
fYear
2008
Firstpage
1039
Lastpage
1040
Abstract
A digital filter interpolation of decoded line spectral frequencies (LSFs) that significantly outperforms linear interpolation for large vocabulary distributed continuous speech recognition systems is presented. Experiments were conducted using linear predictive coding (LPC) and LSF-derived speech recognition features, CDHMM acoustic models, triphone units and trigram language models for Brazilian Portuguese.
Keywords
decoding; digital filters; linear predictive coding; speech recognition; acoustic models; decoded line spectral frequencies; digital filter interpolation; linear interpolation; linear predictive coding; speech recognition features; trigram language models; triphone units; vocabulary distributed continuous speech recognition;
fLanguage
English
Journal_Title
Electronics Letters
Publisher
iet
ISSN
0013-5194
Type
jour
DOI
10.1049/el:20089650
Filename
4606613
Link To Document