From: Nocturnal “humming” vocalizations: adding a piece to the puzzle of giraffe vocal communication
Acoustic parameters | Definition |
---|---|
F0 start (Hz) | Fundamental frequency at the beginning of the vocalization |
F0 mid (Hz) | Fundamental frequency at the middle of the vocalization |
F0 end (Hz) | Fundamental frequency at the end of the vocalization |
F0 min (Hz) | Lowest fundamental frequency |
F0 max (Hz) | Highest fundamental frequency |
F0 range (Hz) | Difference between minimum and maximum fundamental frequency |
F0 mean (Hz) | Arithmetic average frequency across a call |
F0 median (Hz) | Central point from data points in ascending order of the F0 contour |
Duration (s) | Time between onset to the end of call |