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- The timing of the prompt is independent of the rate at which the
subject is actually speaking. In its simplest form each prompt is
displayed at regular predefined intervals which will depend on
the type of utterance that is to be produced. Alternatively the
interval may vary from prompt to prompt depending on the
expected (not the actual) time to speak the prompted text, i.e.
dependent on the number of words/phonemes in a sentence.
- The timing of the prompt is totally controlled by the production
of utterances. The display of each new prompt is controlled by
the detection of the endpoint of the last utterance.
- The timing of the prompt is controlled by a logical combination
of a predetermined interval and the endpoint of an utterance.
The display of each new prompt is triggered by whichever is
later of the predetermined interval or the endpoint. This means
that if a subject is slow the prompting system will slow down,
but there is a maximum rate of prompting even for the fastest
EAGLES SWLG SoftEdition, May 1997. Get the book...