Method and apparatus for speech recognition and reproduction

Details Method and apparatus for speech recognition and reproduction Method and apparatus for speech recognition and reproduction

1981-10-19

1983-11-15

Kemeny, Emanuel S.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

381 51, 3645135, G10L 100

Patent

active

044157673

ABSTRACT:
Speech signal analysis for data reduction, as stored for synthesis or recognition, is improved by features including: digital spectral analysis; reduction of channel data and bit allocation by selective summation of groups of contiguous data; using the mean average of the log amplitude to find the deviation for each channel; also using the instaneous shape of the mean value for each channel for pairs of adjacent frames, all combined to find a feature ensemble for each pair of adjacent frames.

REFERENCES:
patent: 3816722 (1974-06-01), Sakoe et al.
patent: 3952164 (1976-04-01), David et al.
patent: 3982070 (1976-09-01), Flanagan
patent: 4181821 (1980-06-01), Pirz et al.

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