Table 1 Devices of the floor impact sound test.
Measurement devices | Model and manufacturer |
|---|---|
Standardised floor impact | |
 Lightweight floor impact sound source (tapping machine) | Norsonic, N-211A, France |
 Heavyweight floor impact sound source (bang machine) | SNVT |
Sound receiver and reverberation time measurement devices | |
 Real time analyser | RION Co., LTD., SA-30, Japan |
 Sound level calibrator | RION Co., LTD., NC-74, Japan |
 Microphone set | RION Co., LTD., UC-53A, Japan |
 Sound power source | PISTOL |