[Phil Allison[_4_]]

Scott Dorsey wrote:

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5. The room is very reflective (due to the windows) but the surfaces are not parallel.


** Gotta dispute that last one - sedan cars are very absorptive to sound, due to abundant use of upholstery, carpet and roof padding.


You're absolutely right. And because of that and the small distances,
the big reflections off the windows are perceived as comb filtering
effects and weird imaging effects instead of as reverberation.


** Window panes are flat so vibrate in sympathy with bass frequencies - letting them escape. The curved windows fitted to cars are far more rigid.


It is strange, indeed. I have known studios that had junk cars in the back
specifically to get a sense of what playback in a car would sound like,
because it is so different than any other common acoustical situation.


** A voice over booth has many of the same things.



..... Phil