disturbance which exceeds the limit of continuous disturbance no longer than 200 ms and which is separated from a subsequent disturbance by at least 200 ms
NOTE 1 – Both intervals are related to the level of the limit of continuous disturbance.
NOTE 2 – A click may contain a number of impulses, in which case the relevant time is that from the beginning of the first to the end of the last impulse.
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