When a pitch is lower what is happening to the frequency?

As the frequency decreases, you hear a lower pitch

Explanation:

The lower the frequency, the lower the pitch.

The frequency of sound waves, in turn, determines the pitch of the sound. Sound waves with a higher frequency produce sound with a higher pitch, and sound waves with a lower frequency produce sound with a lower pitch.

Explanation:

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a chromatic scale uses the twelve tones of the octave, while a regular scale only uses eight, or seven different notes (as the first note is played twice)

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