Strutt Help

Room to Room Noise Transfer

Strutt|Building Acoustics|Room to Room Transfer calculates the noise transfer between two reverberant rooms, given the transmission loss TL of the common partition, the area S of the common partition, and the absorption area A in the receiving room.

Strutt calculates the sound pressure level in the receiving room using:

L_(p2) = L_(p1) + TL + 10log_10(S/A)

where the absorption area A is back-calculated from the room volume V and reverberation times RT using the Sabine formula:

A = (0.161 V)/(RT)

References:

• Acoustics, Noise and Buildings (Fourth Edition), Parkin, Humphries and Cowell, p234
• BS 2750: Part 3

Comments or suggestions to
strutt@arup.com