Pitch: The height of the sound is called pitch. It is determined by the frequency of the vibration of the object. The greater the frequency, the higher the pitch. The smaller the frequency, the lower the pitch. Loudness: The loudness of the sound, determined by the amplitude. Determines the loudness. The greater the amplitude, the louder the loudness. The smaller the amplitude, the smaller the loudness. Example: Pitch: The difference in the sound of 1 2 3 4 5 6 7 in music is the pitch. Loudness: It is the size of the sound, such as speaking very loudly