Apparatus for recording and reproducing human speech by its anal

Details Apparatus for recording and reproducing human speech by its anal Apparatus for recording and reproducing human speech by its anal

1985-09-27

1989-02-21

Salce, Patrick R.

Electrical audio signal processing systems and devices

One-way audio signal program distribution

Public address system

3645135, 365222, G10L 500

Patent

active

048072893

ABSTRACT:
A speech analysis and synthesis device comprises analyzing and synthesizing means for analyzing human speech to produce analyzed data and for synthesizing human speech on the basis of the analyzed data, a dynamic RAM for memorizing the analyzed data, a refresh address counter for outputting a refresh address sequentially varying every a predetermined refresh cycle for designating a memory location of the dynamic RAM, an access address counter for outputting an access address indicative of a memory location where the analyzed data is accessed, and refresh-access means for effecting a refresh operation of a memory cell assigned to the refresh address every the predetermined refresh cycle and for providing an access to a memory cell assigned to the access address in synchronism with the predetermined refresh cycle during non-refresh cycle. The speech analysis and synthesis device enables connection of the dynamic RAM without provision of complicated peripheral circuits.

REFERENCES:
patent: 4203005 (1980-05-01), Fukuda et al.
patent: 4628488 (1986-12-01), Saku et al.
patent: 4636989 (1987-01-01), Ikuzaki
patent: 4675840 (1987-06-01), Raymond et al.
patent: 4677592 (1987-06-01), Sakurai et al.
"Speech Synthesis LSIs", Toshiba Electron Device News, vol. 1, No. 2, pp. 18-21, 1984.

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