[Dixielandjazz] rippling effect
pj.ladd at btinternet.com
Thu Mar 31 02:54:56 PST 2005
Re the `delay` problem.
Of course it is due to the speed of sound in air.
If you have ever watched a movie of a long line of men marching to a leading band you can actually see the sound wave as each man marches very slightly behind the step of the man in front of him.
Any sarn`t major worth his salt knows this and will give the order to halt when standing in the centre of the line marching past. If he stands at one end of a long line the ripple effect of stamping boots sounds like a machine gun.
`this is the army...`
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