DocumentCode
1184381
Title
Statistical recovery of wideband speech from narrowband speech
Author
Cheng, Yan Ming ; O´Shaughnessy, Douglas ; Mermelstein, Paul
Author_Institution
Bell-Northern Res., Nuns´´ Island, Que., Canada
Volume
2
Issue
4
fYear
1994
fDate
10/1/1994 12:00:00 AM
Firstpage
544
Lastpage
548
Abstract
We present an algorithm to generate wideband speech from a narrow band version of the same. The main body of the algorithm is a statistical recovery function (SRF), which predicts the highband spectrum based solely on the narrowband spectrum. The performance of the algorithm has been measured both in terms of spectral distortion and spectral signal-to-noise ratio (SNR). We obtained a 3 dB gain in SNR for the reconstructed wideband speech as compared to the narrowband speech
Keywords
spectral analysis; speech analysis and processing; statistical analysis; SNR; algorithm; highband spectrum; narrowband spectrum; narrowband speech; performance; spectral distortion; spectral signal-to-noise ratio; statistical recovery function; wideband speech; Distortion measurement; Economic forecasting; Iterative algorithms; Joining processes; Narrowband; Nonlinear distortion; Probability; Speech analysis; Transmission lines; Wideband;
fLanguage
English
Journal_Title
Speech and Audio Processing, IEEE Transactions on
Publisher
ieee
ISSN
1063-6676
Type
jour
DOI
10.1109/89.326637
Filename
326637
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