Answer loudness
Pitch
Answer analysis test question analysis: Loudness is the size of the sound, and pitch is the high or low of the sound. There is a concert going on in the concert hall. The baritone is singing loudly, the soprano is singing softly, and there are a variety of musical instruments. At this time, the baritone is louder than the soprano, and the soprano is higher in pitch than the baritone.
Test point: This question tests the characteristics of sound.
Comments: Understanding the three characteristics of sound is the key to this question. Loudness is the loudness of the sound, and pitch is the pitch of the sound. Timbre is the characteristic of sound.