4.2.2.2 For discontinuous disturbance, the click limit Lq is attained by increasing the relevant limit L (as given in 4.1.1) with:
44 dB for N < 0,2, or
20 lg (30/N) dB for 0,2 ≤ N < 30
NOTE Examples of discontinuous disturbances which are classified as clicks are shown in Figures 3a, 3b and 3c.
See also Annex A, Table A.1 and Table A.2. |