Evaluation of an Artificial Speech Bandwidth Extension Method in Three Languages

Quality and intelligibility of narrowband telephone speech can be improved by artificial bandwidth extension (ABE), which extends the speech bandwidth using only information available in the narrowband speech signal. This paper reports a three-language evaluation of an ABE method that has recently b...

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Veröffentlicht in:	IEEE transactions on audio, speech, and language processing speech, and language processing, 2008-08, Vol.16 (6), p.1124-1137
Hauptverfasser:	Pulakka, H., Laaksonen, L., Vainio, M., Pohjalainen, J., Alku, P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Band spectra Bandwidth Bandwidth extension Distortion measurement Errors Exact sciences and technology Frequency Information, signal and communications theory listening test Mathematical models Narrowband Natural languages perceptual distance Signal processing Spectra Speech Speech analysis speech enhancement Speech processing Spline Telecommunications and information theory Telephones Telephony Testing
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