The recorded signal appears clipped on some datastreams but not on others. How can I tell if the signal is clipped?

It is impossible to determine whether the input signal to the DAS exceeded the A/D conversion range on any particular sample. Because all DAS use some form of oversampling, the raw samples may contain some clipped values which when averaged with other raw samples to form an output data sample does not result in an overall clipped value. The oversampling software should simply clip the output when any input value is clipped.

The fact that some streams show clipped output and not others is governed by the amount of averaging required for the specified sampling rate. Lower sampling rates use more averaging and are less likely to appear clipped, but are still distorted. Recorded signals greater than 90% full scale should be treated warily.

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