The greater the amplitude, the louder the sound. The pitch of a sound is a measure of the frequency of the wave. The higher the frequency, the higher the pitch. We are virtually always subjected ...

If the source of a sound makes the particles vibrate more gently, we hear a quieter sound. The pitch of a sound depends on how quickly the air vibrates. When air particles move back and forth ...

Sound vibrations leave the singer's mouth. The higher the pitch of the sound, the higher the frequency, or number of vibrations in a given amount of time. The sound enters the microphone ...