Is the distance between two sounds. We can use this term to say: interval of one tone, interval of one semitone; in short, any distance between two notes is an interval. This term is often used with the definition of degrees, as we will see in the following topics.
Is what defines whether a sound is high or low. Higher sounds are treble and low sounds are bass. What makes a sound treble or bass is the frequency of the sound. The higher the frequency, the higher (more treble) the sound is; and the lower the frequency, the lower (more bass) the sound. This frequency corresponds to the cycles (oscillations per second) of the sound wave. It is important not to confuse pitch of sound with volume (or intensity) of the sound.
Sound Intensity (or volume)
Is what defines whether a sound is weak or strong. When we touch the volume button on a stereo, we are changing the intensity of music. The volume does not change the frequency of the sound (it does not make it higher or lower). Volume only changes the intensity.
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