Читать книгу Engineering Acoustics - Malcolm J. Crocker - Страница 96

Since 10^93/10 = 10^85/10 + 10 ^Lp/10, then L_p = 10log(10^9.3–10^8.5) = 92.2 dB.

Figure 3.6 Diagram for combination of two sound pressure levels or two sound power levels of uncorrelated sources.