One-chip LSI speech synthesizer

Details One-chip LSI speech synthesizer One-chip LSI speech synthesizer

1980-12-29

1986-12-02

Kemeny, E. S. Matt

Electrical audio signal processing systems and devices

Monitoring/measuring of audio devices

Loudspeaker operation

G10L 500

Patent

active

046270930

ABSTRACT:
There is disclosed a one-chip speech synthesizer capable of providing synthesized human voices through a new and effective concept of LSI architecture. The synthesizer may execute all of the steps necessary for processing of sample data and enhances the processing speed through a new memory architecture by constructing the one-word length of a control memory (control ROM) longer than the one-word length of a data memory (data ROM). The synthesizer reproduces audible synthesized sounds merely by an added amplifier outside the one-chip LSI semiconductor device without the need to provide a digital-to-analog converter. The LSI device may be used with an expandable external memory as an extension of the data memory (data ROM) whenever a large number of words are to be processed.

REFERENCES:
patent: 4179584 (1979-12-01), Tanimoto et al.
Wigfall, "Microprocessor Based Voice Synthesizer", Digital Design, Mar. 1977, pp. 15, 16.
Myers, "Advances in Computer Architecture", John Wiley, p. 55.
Caldwell, "Programmable Synthesis . . . ", IEEE Conf. Acoustics, 1980, pp. 868-871.

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