Apparatus and method for speech signal processing

Details Apparatus and method for speech signal processing Apparatus and method for speech signal processing

1992-03-10

1995-04-18

MacDonald, Allen R.

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

381 46, 36472412, 36472416, G10L 900

Patent

active

054085810

ABSTRACT:
In an apparatus for speech signal processing, first a coefficient calculation is performed to determine a value for suppressing a change of level of an input signal. Next, an input signal delay is performed to delay the input signal by a time required for the coefficient calculation. Then an output of the input signal delay is multiplied by the value obtained by the coefficient calculation, thereby obtaining an output signal.

REFERENCES:
patent: 4426729 (1984-01-01), Gritton
patent: 4508940 (1985-04-01), Steeger
patent: 4982341 (1991-01-01), Laurent
patent: 5230060 (1993-07-01), Naitoh
patent: 5278910 (1994-01-01), Suzuki et al.
"Consonant Burst Enhancement: A Possible Means to Improve Intelligibility for the Hard of Hearing", R. W. Guelke, Journal of Rehabilitation Research and Development, vol. 24, No. 4, pp. 217-220, Fall 1987.

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