3 5
4 0
4 5
5 0
5 5
6 0
6 5
2 0 0 2 5 0 3 1 5 4 0 0 5 0 0 6 3 0 8 0 0 1 0 0 0 1 2 5 0 1 6 0 0 2 0 0 0 2 5 0 0 3 1 5 0 4 0 0 0 5 0 0 0 6 3 0 0 8 0 0 0 1 0 0 0 0 1 2 5 0 0 1 6 0 0 0
F r e q u e n c y ( H z )
1 / 3 o c t a v e b a n d S P L f o r s p e e c h a t 7 0 d B S P L f r o m B y r n e e t a l ( 1 9 9 4 ) a n d
C o x & M o o r e ( 1 9 8 8 )
M a l e F e m a l e / I S T S C o m b i n e d / I L T A S S C o x & M o o r e