Fast sound amplitude

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The sound velocity amplitude is the maximum value of the sound velocity . Since this is an alternating quantity, it is usually specified as an effective value or as a peak value. If the particle movement takes place in a transmission medium (mostly air), the following relationship applies between the amplitude of the sound velocity and the deflection amplitude (amplitude or sound amplitude).

The unit of sound velocity is m / s.


Fast sound amplitude
Frequency in Hz
Deflection of air particles ( sound deflection )
is the Greek letter xi, pronounced ksi
Angular frequency = 2 · ·