This can be a great improvement for people that have been limited to the use of a throat vibrator to produce speech since the 1960s.

They stared at him for a moment, as if he was a baboon that had somehow produced human speech.

The major steps in producing speech from text are as follows:

This stopped him and his forehead lined with the unaccustomed effort of thought which finally produced speech.

The form did not waste warmed air with valuable oxygen merely to produce speech.

After months of practice, a trained operator could produce recognizable speech.

The voice, though not human, produced speech that was clearly understandable.

However, they can not produce meaningful speech of their own.

Speaking: the ability to produce speech in the language and be understood by its speakers.

Further down the road, it may also be possible to use bioelectric signals to produce "silent speech."