Descriptive analyses of orangutan faux-speech; a) Time series of an orangutan faux-speech bout.
Figures are generally photos, graphs and static images that would be represented in traditional pdf publications.
Dark blue line indicates raw power spectra (dB), light blue line indicates acoustic amplitude envelop measure, and red line indicates inter-lip distance measure. b) Spectrographic representation of faux speech. Red dots indicate formats and blue line indicates fundamental frequency measure. c) Average estimates of raw power spectra; d) Detrended power spectra; e) Coherence of orangutan faux-speech.