Abstract
At present, most of the applications at Dialog Systems involve numeric input of one kind or another. Applications accomodate telephone speech from a large population and range from telephone toll management and switching to telephone bill paying which involves rather lengthy data entry. All entry is by isolated word. This paper will concentrate on users of these systems. Training and user format design along with human and system performance will be discussed in the context of a system that has been in operation for about nine months with some 4000 users. Since the user is affected by constraints of voice recognition protocol and parameters of the voice recognition system, these topics will also be addressed. Particular emphasis will be given to two styles of digit input. In the first, each digit is verified on input. In the second, short strings of digits are input and then verified by the user. Data from about 60 subjects will be presented and trade‐offs between the two systems will be discussed. Depend...
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