> The Yamaha computer that was out about the same time as the DX7 and DX9
> and
> with the same chip (CX5M, was it?) used to have a speech command.
> Accordingto Dave Bristow, Yamaha's demonstrator at the time, the command
> was
> only in the Japanese manual because, according to Yamaha, the computer
> only
> spoke Japanese. But he was able to get it to speak several European
> languages with a heavy Japanese accent by putting in almost joke-Japanese
You can make anything with a programmable 'beep' simulate speech.
A common add-on for DOS was a "speak" program that made the PC speaker
simulate text-to-speech. No sound card mind you, just the inherent PC beep
speaker.