BY:
Homepage
DATE:1996-08-22
Barrier Correction - CRTN method
Correction due to a sound barrier
Sound barrier height
(in metres)
Source height
Receiver height
Horizontal source-
barrier distance
Horizontal barrier-
receiver distance
Enter data in each box above, then click button below
dB(A) correction
Notes:
1] JavaScript Browser such as Netscape v.2 or better required
2] No input form constraint checking - be careful to input correctly
3] No guarantee of any kind whatsoever for this software
4] Reference should be made to "Calculation of Road Traffic Noise" (HMSO 1988) for full details
5] In real circumstances barrier efficiency may be reduced by ground effects.
If you want this script just choose "Save Frame As..." (in Netscape) when you have the focus on the frame.
URL: http://www.oocities.org/SiliconValley/7116/jv_crtn.html