A high pitch sound has a high frequency and makes the air vibrate quickly , so the wave peaks are closer together. A low pitch sound makes the air particles vibrate more slowly and so the peaks ...

The frequency of these vibrations is what determines pitch. Low frequencies correspond to deep sounds, like a bass drum; high frequencies correspond to sharp sounds, like a whistle. Controlling ...

The pitch of the speaker's voice is rated on a five-point scale to indicate how well the speaker can produce voice which has an appropriate pitch for the age and sex of the speaker. Ratings of 4, 3, ...