Patent ID: 6801894
Filing Date: 2004-10-05
Classification: G10L

Abstract:
A speech synthesizer, comprising:a first input terminal at which a phrase signal is inputted; a second input terminal at which a silence length data is inputted; a data memory having a plurality of address areas, which stores a plurality of phrases in the address areas; an address designating circuit designating one of the address areas based on the phrase signal; a speech synthesizing circuit generating a speech synthesizing signal corresponding to the phrase stored in the designated area; a digital/analog converter transforming the speech synthesizing signal to an analog signal; and a silence-input circuit including a counter and silence-input means, the counter setting a period of silence based on the silence length data inputted at the second input terminal, the silence-input means being connected between the speech synthesizing circuit and the digital/analog converter, and supplying a predetermined voltage to the digital/analog converter for the period that is set by the counter.