11. "Gravity keeps the earth in its orbit, " said Hawking through his speech synthesizer . 12. :Pediaphon uses open-source speech synthesizers to read Wikipedia articles aloud. 13. She communicated with a computer linked to a speech synthesizer . 14. Also, he has a speech synthesizer that can read the words on the screen. 15. In 1980, they designed and manufactured an integrated circuit speech synthesizer called the SC-01. 16. It is also interested in developing bigger markets for the handheld device speech synthesizer . 17. The ideal speech synthesizer is both natural and intelligible. 18. Since early in its life, Votrax specialized in making phoneme-based speech synthesizers and text-to-speech algorithms. 19. It also has a speech synthesizer , should he want to hear what he has written. 20. This allows the TI Speech Synthesizer 's audio to be carried through the console to the monitor.