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A recognition data interface process (DIP) is used to help increase an application's accuracy. For example, certain digit strings, such as credit card numbers, have check digits built into them. Verifying a check digit is done most efficiently through a DIP. However, a DIP is not necessary for many recognition types. If there is no further information to consider for a string other than what is in the grammar, a DIP is not needed. Specifically, none of the standard WholeWord speech recognition types, such as "yes" and "no," needs a DIP.
For some recognition types, there may be tradeoffs that determine how much of the structure of the input is built into the grammar and how much should be left for the DIP.
