Building Acoustics

274 Building acoustics

Figure 7.6 Sound pressure level difference between two rooms in a flanking transmission laboratory (Building
Research Laboratory, UK). Overall predicted and measured results together with predicted dominant
transmission paths. For symbols in parentheses; see EN 12354–1. Data reproduced from Craik (1996).

63 125 250 500 1000 2000 4000

Frequency (Hz)

0

10

20

30

40

50

60

70

80

SPL di

ff

e

rence (dB)

Predicted

Measured

Direct (Dd)

Flanking (Ff)

Flanking (Df, Fd)

7.5 References

EN 12354–1: 2000, Building acoustics – Estimation of acoustic performance of buildings
from the performance of elements. Part 1: Airborne sound insulation between
rooms.

Craik, R. J. M. (1996) Sound transmission through buildings using statistical energy
analysis. Gower Publishing Limited, Aldershot.
Crocker, M. J. and Price, A. J. (1969) Sound transmission using statistical energy
analysis. J. Sound and Vibration, 9, 469–486.
Fahy, F. J. (1994) Statistical energy analysis: A critical overview. Philosophical
Transactions of the Royal Society of London, Series A, 346, 431–447.
Fahy, F. J. (1998) An alternative to the SEA coupling loss factor: Rationale and method
for experimental determination. J. Sound and Vibration, 214, 261–267.
Lyon, R. H. (1975) Statistical analysis of dynamical systems. Theory and applications.
MIT Press, Cambridge, MA.