MM ALS Notes - ARE Forum
IL = 10 log (I/I0) = 10 log (2/1) = 10 x 0.301 = 3.0 dB. Sound Power Level. We can measure the power at a source and convert it to a logarithmic scale. This is in watts. PWL = 10 log W/W0 . Where PWL = sound power level. W = power at the source measured in watts. W0 = reference wattage, 10-12 watts. Sound Pressure Level. Third measure of sound. ................
................
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.