Test item
Sound Pressure Level (SPL)
Test Equipment Information
Test Equipment:Multi-Channel Analysis System
Test Equipment:Microphone
Test Equipment:Sound Level Calibrator
Test Equipment:Thermo-Hygrometer
Test Equipment:Steel ruler
Test Equipment:DC Power Supply
Test Conditions
1、Reference Document: WI-063-011 I
2、Frequency Range: 20Hz~20000 Hz
3、Frequency Weighting: A Weighting
4、Ambient Condition: 22.1℃, 49.7%RH
5、Test Setup: The microphone is located 0.65m above the user waist and 0.10m away from the headrest
Test Procedure
Use Sound Level Calibrator to Calibrate the Microphones
Sound Pressure Level (SPL) Measurements for EUT
Set up EUT and Microphones Based on Customer Self Definition
Measure Background Noise
Measure the SPL of the sample (DC 13.5V)
Test results

















