Screenshot of Batch Scrubber panel. The Batch Scrubber will rapidly scan through a digital recording file to recognize bat and non-bat content in your files.

The Batch Scrubber will scan through a specified directory to recognize files lacking bat calls, for example files triggered by noise and move them into a directory named "Scrubbed Files" in the same directory as the searched files. The search logic seeks signals with a smooth trend in frequency to retain all but the weakest (and probably unusable) bat signals. To avoid missing bat calls, some non-bat signals with a smooth trend in frequency will pass through without getting scrubbed.

Caveat: the search logic rejects call segments less than 2 msec and also voice note files. Files must already be in .wav format to scan.

Autotriggering detectors like the Pettersson D240x can produce many noise-triggered files. The Batch Scrubber can save you valuable time by atuomatically removing these files, particularly from monitoring initiatives producing hundreds and perhaps thousands of files to process.

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