Research Article

Quantitative Tools for Examining the Vocalizations of Juvenile Songbirds

Table 1

Parameters used in all examples, unless specified otherwise.

ParameterValue

STFT window width500 samples (11.6 msec)
STFT step size100 samples (2.9 msec)
STFT bandpass cutoffs500 Hz–7500 Hz
Model window width11 symbols (34.0 msec)
Number of power spectra clustered7 500
Number of prototypes generated120
Silence cutoff level0.01 (arbitrary units)