Giselle sings in a B-flat note, while her brother plays his trumpet in the same note. The pitch and loudness in both of these cases are the same. The difference in sound quality between these two sounds is called:
A) harmonics.
B) frequency.
C) timbre.
D) amplitude.

Question

Quizplus · Accepted Answer

The difference in sound quality between two sounds that have the same pitch and loudness but are produced by different instruments (or sources) is referred to as timbre. Timbre is what allows us to distinguish between different instruments or voices even when they are playing the same note at the same volume.

Giselle Sings in a B-Flat Note, While Her Brother Plays