Table 2 Thresholds used for automated element separation required for automated parameter measurements.

From: Quantifying ultrasonic mouse vocalizations using acoustic analysis in a supervised statistical machine learning framework

Call type

Detection method

Chevron

Automatic (whistle tracking)

Complex

Automatic (whistle tracking)

Composite

Automatic (two thresholds)

Downward

Automatic (two thresholds)

Flat

Automatic (whistle tracking)

Frequency-steps

Automatic (three thresholds) Hold threshold 25 ms

Short

Automatic (whistle tracking) Min duration 1 ms

Two components

Automatic (two thresholds) Hold threshold 20 ms

Upward

Automatic (two thresholds)

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