Preprocessing method and device for speech recognition device

Details Preprocessing method and device for speech recognition device Preprocessing method and device for speech recognition device

1979-05-08

1981-08-11

Nusbaum, Mark E.

179 1P, G10L 100

Patent

active

042836018

ABSTRACT:
Signal-to-noise is enhanced by including the upper sideband of a sampled-speech signal with the original baseband signal for further signal processing. The invention features shifting both bands to form a continuum from 0 Hz to the sampling frequency. Application in a speech recognition is shown.

REFERENCES:
patent: 4032710 (1977-06-01), Martin et al.
patent: 4100370 (1978-07-01), Suzuki et al.
N. Dixon, et al., "Small-Vocabulary, Discrete-Word Recognizer etc.", IBM Tech. Disc. Bull., Apr. 1977, pp. 4483-4484.
G. White, et al., "Speech Recognition Experiments etc.", IEEE Trans. on Acoustics, Speech and S.P., Apr. 1976, pp. 183-188.

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