2011 Vision Toyota Sienna

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Exterior Noise Test

Accelerating from Constant Speed

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): 41.6

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 60.5 1 60.3
2 59.4 2 58.9
3 61.3 3 59.6
4 61.3 4 58.7
5 60.2 5 58.2
Average of two highest actual noise levels = 61.3 dB(A) Average of two highest actual noise levels = 60.0 dB(A)