Speaker's quality (4)
I believe the answer is:
tone
(Other definitions for tone that I've seen before include "accent" , "Sound - style" , "Pitch (sound)" , "Mood" , "Musical note; general character" .)
I believe the answer is:
tone
(Other definitions for tone that I've seen before include "accent" , "Sound - style" , "Pitch (sound)" , "Mood" , "Musical note; general character" .)