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摘要

VoiceXML offers the advantage of insulating application developers from having to understand the underlying hardware. For example, a developer need not know how a system will recognize voice-just that there is a resource available to handle the task. To some degree, speech recognition has reached the point at which increasing recognition accuracy from the current rate of 95 to 98% will require a quantum leap in recognition technology. However, even recognition engines that offer 95 to 98% accuracy will misrecog-nize one in 20 to one in 50 words, or at least one word per session. Fortunately, you can increase this accuracy at the system level.