Avisoft-SASLab Pro, version 4.33 (05 July 2004)

  • Improved command for extracting frequency contours from spectrograms (spectrogram window command Tools/’Scan frequency contour and amplitude envelope’). The new export capabilities enable subsequent statistical analysis of frequency contours (e.g. for comparing signature whistles). See a sample screenshot .
  • The new command Tools/Labels/’Label statistics’ provides various statistics on labels (including duty cycle versus time)
  • A ‘Max Spectrum’ option is now available from the ‘Additional Spectrogram Information’ dialog box.