Design and Calibration Tests of an Active Sound Intensity Probe

Table 1

Sound intensity measured in an enclosure using the SIAF-prototype.

f/Hz	100	125	250	500
𝐼SIAF/Wm^−2 without control	−0.043	−0.018	−0.002	−0.004
𝐼SIAF/Wm^−2 with control	+0.056	+0.048	+0.018	+0.006
𝐼Conv/Wm^−2 without control	+0.536	+0.107	+0.292	+0.348