Based on Table 5.7, what type of speech synthesis technology would be the most appropriate for the...

Based on Table 5.7, what type of speech synthesis technology would be the most appropriate for the following situations: (a) an augmentative communication system capable of unlimited vocabulary for someone who can spell? (b) a voice output system for a blind person that reads the entire screen of a computer display? (c) an augmentative communication system for a young girl who needs a limited vocabulary set? (d) voice feedback for an environmental control system that echoes back simple one-word commands, such as ‘‘on,’’ ‘‘off,’’ ‘‘lights,’’ ‘‘bed,’’ ‘‘TV,’’ and ‘‘drapes.’’ Explain or justify your answer.

TABLE 5.7 Choosing Between Auditory and Visual Forms of Presentation

Use Auditory Presentation if	Use Visual Presentation if
The message is simple.	The message is complex.
The message is short.	The message is long.
The message will not be referred to later.	The message will be referred to later.
The message deals with events in time.	The message deals with location in space.
The message calls for immediate action.	The message does not call for immediate action.
The visual system of the person is overburdened.	The auditory system of the person is overburdened.
The message is to be perceived by persons not in the area.	The message is to be perceived by someone very close by.
Use artificially generated speech if the listener cannot read.	Use visual display if the message contains graphical elements.