MHT Speech Synthesizer

Technical

Probably uses a SP0256(-AL2?) chip.

• The I/O addresses are unknown.
• The clock frequency is unknown (as shown on the photo, it uses an oscillator, ie. NOT the 4MHz signal on the expansion port).

Support software

• No (known) software?

Pictures

• MHT Speech
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The part numbers on the chips seem to be scratched-off (or covered by paint). The "GI" logo on the large chip implies that is the polular SP0256(-AL2) speech chip from General Instruments. The clock frequency of the oscillator isn't visible (from the perspective how the photo was taken).

Other Pictures

• MHT Speech Other Version ?
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