Speech Recognition Technology

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NationsBank, United Parcel Service, British Airways, and Sears Roebuck and Co. These companies focus on the fastest growing parts of the speech market, where the caller's voice replaces punching in letters and numbers on the telephone keypad. The other applications of speech technology are for the use of consumers. The users' voice can give computer commands as well as dictate speech into text.
All operating systems used today are Graphic User Interfaces (GUI's), but "future computers will have Speech User Interfaces, or (SUI's)" (Iversen, 3).
The sudden surge in speech recognition applications can be attributed to two major changes. First, the introduction of Intel's Pentium chip in 1994 gave computers enough processing power to run speech-recognition software quickly. Second, the introduction of the general-purpose dictation program by Dragon Systems was better at deciphering conservation speech. Speech recognition systems work by converting sounds into mathematical ...

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followed by the amount, and the unit will store the information.
Most voice-activated products are either speaker independent or speaker dependent. Speaker independent requires no training but has a very limited vocabulary. While speaker dependent has to be initialized by the user and has a more extensive vocabulary. There also exists speaker verification, used for mainly security purposes where a person's voice is used to confirm identity.
Speech recognition, for many years, has been used in rehabilitative medicine, industrial inspection where the inspector's hands are used to investigate an object, and children's electronic learning aids. Millions of ...

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