Operation procedure

When the RCD file is loaded, double-click [Channel setting] on the Plug-in Launcher of data edit item list, or select [Channel setting…] from the Data Edit menu to open the [Channel setting] dialog box. Change the Signal Type to "Sound Pressure Level"

Double-click [Simple Calculation] on the Plug-in Launcher of signal processing item list, or select [Simple Calculation…] from the Signal Processing menu to open the [Simple Calculation].

Put check mark to the "Entire Interval" in the right side of the screen and select [* (multiplier)] in the "Calculation Expression Setting" and set [2E-5 (Consider 20 µPa is 0 dB as reference)]. Then, click [Execute] button.

From above operation, the sound pressure level which is frequency analyzed the sound pressure value (Pa) of the time waveform can be displayed in the correct value.