Speech synthesis system with variable interpolation capability

Details Speech synthesis system with variable interpolation capability Speech synthesis system with variable interpolation capability

1981-10-05

1983-12-06

Kemeny, Emanuel S.

Electrical audio signal processing systems and devices

Monitoring/measuring of audio devices

Loudspeaker operation

G10L 100

Patent

active

044195400

ABSTRACT:
A speech synthesis system with a linear predictive filter. The linear predictive filter utilizes coded reflection coefficients to produce digital signals representative of human speech. A variable interpolation circuit within the linear predictive filter allows a variable number of interpolation steps to be calculated between successive values of reflection coefficients. Additionally, a user programmable option allows the user to select a linear, nonlinear, or a combination form of interpolation based on stored scale data. The synthesizer output circuit also functions as a digital-to-analog converter.

REFERENCES:
patent: 4022974 (1977-05-01), Kohut et al.
patent: 4216354 (1980-08-01), Esteban et al.
E. Cole, et al., "A Real Time Floating Point . . . Vocoder", IEEE Conf. on Acoustics, Speech Signal Proc., 1977, pp. 429-431.

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