2011 Vision Toyota Sienna

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Exterior Noise Test

Accelerating from Standstill

Date : 2011-03-04
Personnel : T.W., T.S. & S.C.
Temperature (°F) : 42 Humidity (%) : 60
Wind Speed (mph) : 8 Wind Direction : SW
Barometric Pressure (in.Hg) : 30.04
Verify that microphone height is 4 feet, wind speed is less than 12 mpg and ambient temperature is between 30 F and 90 F: true checked by S.C
Initial Sound Level Meter Calibration: true checked by S.C.
Exterior Ambient Noise Level dB(A): 39.8

Accelerating from Constant Speed
Curb (Right) Side
Accelerating from Constant Speed
Street (Left) Side
Run # Measured Noise Level dB(A) Run # Measured Noise Level dB(A)
1 65.5 1 61.7
2 64.1 2 61.8
3 61.0 3 62.2
4 61.5 4 61.2
5 61.2 5 61.4
Average of two highest actual noise levels = 64.8 dB(A) Average of two highest actual noise levels = 62.0 dB(A)