Looking at the xmlsound structure...

Wondering if it would be useful to extend the structure and methods to add a
second property and then define a set of additonal macro operators to
combine the two properties with an arithmetic/logical operation to produce a

One example; interior jet engine noise is a function of thrust and airspeed.
It's at a max at takeoff and decreases during climbout as TAS increases;
it's probably the loudest on landing when reverse thrust is applied. So one
could take the rumble.wav sound file, increase volume/pitch for higher power
settings and subtract some amount as a function of airspeed to arrive at a
final value. Or is there a set of xml constructs to do the same?

Just a thought
John W.

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