The Voder was an early attempt at speech synthesis developed by Bell
Telephone Laboratory for the 1939-40 New York World’s Fair. Controlled
by hand, the operator manually forms each syllable using complex button
sequences and it would take about a year of practice to able to
produce fluid speech.

Helen Harper was one of the first people to figure out how to operate
the Voder effectively, and was the live demonstrator at the World’s
Fair. She later went on to form a year-long course instructing women to
use the Voder. Of 100 applied students, only 20 were able to graduate
and match Harper’s skills.

This application puts you in the shoes of the fe