Which term is used for anything that interferes with the accurate decoding of a message?

When Kiera tells her parents that she is failing physics, they feel like Kiera is asking for support, so they hire a tutor for her. Their interpretation of Kiera’s message and reaction to it are what part of the listening process?

a. hearing b. understanding c. evaluating d. responding

Term for the amount of the frequency spectrum a microphone can hear:

A. SPL B. tonality C. timbre D. range E. frequency response