It's based on a number of acoustic cues and heat - related transfer functions, which essentially reverse engineer the way human hearing works to recreate sounds in what seems like a 3D space. (androidauthority.com)
Observations of potential acoustic cues that attract sperm whales to longline fishing in the Gulf of Alaska. (sciencenewsforstudents.org)
In general, increasingly threatening stimuli elicited alarm calls with increases in F0 and in formant locations, and increasing numbers of these acoustic cues in vocal stimuli elicited increased vigilance and flight behavior in listening elephants. (journals.plos.org)