heart of the IBM system is a digital signal processor (DSP) which
uses parallel processing techniques and is able to perform 10 million
instructions per second
The system works by recognizing the 200 or more phonetic
elements of words, rather than by attempting to recognize a vast
vocabulary of whole words. This means that the computer has to
produce only a relatively small number of speech templates, and so
the initial training session can be quite
brief.
To match the spoken
word with what's stored in its vocabulary, the computer uses a
statistical approach based on an analysis by the IBM researchers o ...
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