How do we hear sounds? … Difference between Frequency and Amplitude. Amplitude of SoundFrequency of SoundIt is measured in metre.It is measured in HertzIt measures how loud a sound isIt determines shrillness or pitch of soundHigher the amplitude,more loud the soundHigher the frequency, more shrill or high pitched is the soundWhat is the difference between Frequency and Amplitude? – Teachoo www.teachoo.com › category › Concepts