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An automatic speech recognition system based on the reference set of a single speaker can be extended for use by several speakers by applying appropriate preprocessing transformations. These transformations adapt the incoming patterns of a new speaker to the patterns of the reference set. Under the present restriction to vowel spectra adaptation methods by spectral amplitude weighting and by spectral shifting are investigated. By a special method it was enabled to adapt test spectra class specifically.
Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '79. (Volume:4 )
Date of Conference: Apr 1979