The main reason for DVI control system in aircraft is ________

Aeronautical & Aerospace Engineering : Avionics - Quiz(MCQ)

less weight

latest technology

space constraints

reduce pilot work load

Correct Answer : reduce pilot work load

Explanation : DVI control system is used to control the aircraft using voice commands, thus the pilot need not have to operate push buttons, switches. This reduces the workload on the pilot during heavy workload operations such as combat.

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Only the pilot of a particular aircraft can use its DVI control system?

True

False

Can Not Say

None of the above

Correct Answer : Option (B) : False

Explanation : The DVI control system is a universal system which can recognize the voice of anyone if spoken clearly. This is done for maintenance purposes and for an emergency.

The DVI control system need not be super sensitive to the voice of the pilot.

True

False

Can Not Say

None of the above

Correct Answer : Option (B) : False

Explanation : The DVI control system must be super sensitive to the voice of the pilot so that it can be operated in cockpit noise environment. In a fast jet combat aircraft, the background noise levels can be very high.

What are isolated word recognizers?

System that is not fully voice commanded

Systems that can recognize anyone’s voice

Systems that require a pause between each word to recognize

Systems that only accept one-word command

Correct Answer : Option (C) : Systems that require a pause between each word to recognize

Explanation : An isolated word recognizer requires pauses between each word said as it cannot recognize fully connected speech. The DVI control in an aircraft must not be an isolated voice recognizer to ensure smooth man-machine interface.