An overview of several aspects of speech synthesis and recognition technologies is provided as background for subsequent speakers in this session. Specifically, we discuss speech synthesis by rule using automatic text-to-speech conversion and speaker-dependent isolated word recognition. Both of these speech I/O technologies have been developed sufficiently to the point where commercial products are now available for a number of applications. Some of the limitations of these devices are described and suggestions for future research in both synthesis and recognition are outlined.
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