Considered the first electrical speech synthesizer, VODER (Voice Operation DEmonstratoR) was developed by Homer Dudley at Bell Labs and demonstrated at both the 1939 New York World's Fair and the 1939 Golden Gate International Exposition. Difficult to use…

The Voder was the worlds first voice electronic synthesizer. In 1939 Homer Dudley working at Bell Telephone Laboratories in Murray Hill, New Jersey began to publicly demonstrate the Voder, the first electronic device that could generate continuous human speech…