What device denotes micro variations in the audible and non-audible portions of speech?

Question

Quizplus · Accepted Answer

The device that denotes micro variations in the audible and non-audible portions of speech is a Computer Voice Stress Analysis. This technology is used to measure changes in frequency in the voice that can indicate stress, which can be helpful in lie detection or assessing emotional states. The other options listed do not specifically relate to measuring variations in speech.

What Device Denotes Micro Variations in the Audible and Non-Audible