Adaptive linear prediction speech synthesizer

Details Adaptive linear prediction speech synthesizer Adaptive linear prediction speech synthesizer

1976-06-03

1977-05-10

Claffy, Kathleen H.

G10L 100

Patent

active

040229742

ABSTRACT:
A real-time predictive speech synthesizer produces an artificial speech signal from pitch period segmented codes. Responsive to the predictive parameters of the currently occurring pitch period, preceding speech samples, and the adjusted excitation signal of the current pitch period, a prescribed set of current pitch period speech samples are generated in regularly spaced time periods. In the intervals between spaced time periods, prescribed components of the excitation level adjustment signal of the next successive pitch period are formed from the prediction parameters of the next successive pitch period, the preceding speech samples, and the next successive pitch period excitation signal. After the current pitch period final spaced time period, the formed components are combined with the next successive pitch period energy signal to produce the next successive pitch period excitation level adjustment signal.

REFERENCES:
patent: 3624302 (1971-11-01), Atal
patent: 3715512 (1973-02-01), Kelly
Atal and Hanauer, "Speech Analysis and Synthesis," J of ASA, vol. 50, No. 2 (Part 2), 1971.

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