Analysis and Ranking of the Acoustic Disturbance Potential of ...

Report No. 6945
BBN Systems and Technology Corporation
Table B.1.
Cumulative Distributions for Third-Octave Bands 20-3150 Hz.
These Levels Were Derived by Sorting the Third-Octave Levels
Computed in the 53 Analyses of Icebreaking Sounds.
53 mrris.
Ccnter frtquebcj (It] of ll3rd Octave Bands
Bud level (Bt)
20 25 31.5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1000 1250 16C1 2P30 2500 315: 10-500 2C-530 19-!ECC 21-!?C:
---- ----.--
---- -- ---- ---- --a-
-- ---- --- ----- ---- -- ---- ---- -------.
---- ---- ------ ------- -.-----
Mini~ 120 124 128 128 129 125 132 I24 128 129 128 127 It€ 121 124 122 121 111 113 110 105 10: 90 142 4 I42 142
5% 121 126 128 130 132 131 134 121 129 131 132 127 121 130 129 127 128 125 124 122 119 115 113 143 143 14! 14:
163 122 127 128 130 133 132 134 121 130 131 132 128 127 130 130 128 128 125 125 123 12C 118 114 144 14 141 144
5M 128 132 133 134 136 136 137 132 135 136 135 133 133 134 133 132 132 131 130 !29 12' 125 123 141 !46 ! 4 V V
90% 132 131 131 139 142 141 141 135 140 140 110 135 131 138 136 136 131 134 135 133 133 131 I30 15C 150 If! 151
95% 133 I38 I38 110 142 142 141 135 141 141 140 135 137 138 131 137 138 131 139 131 136 135 134 151 151 !I: 15i
Ilaxinum 135 139 138 144 143 144 141 138 144 142 143 138 139 139 140 140 112 139 142 140 140 136 121 151 151 15; If: