Voice communication by speech synthesis

An automatic technique was developed to produce recognizable speech from a string of phonetic characters input from a teletype. The technique is based on modeling the acoustical consequences of the various configurations of the vocal tract. The method, as presented, is a computer simulation of a proposed hardware unit that can be easily interfaced with a computer, teletype terminal or a digital data transmission facility. The simulation has proven that speech generation from digital data is feasible and viable at a bit rate below 100 bits per second. The current system takes a teletype input and, through a definitive set of algorithms executed on a PDP-11 computer, converts it to a form compatible with the input to a Digital Speech Synthesizer Model 4516.