Pig vocalizations contain shared acoustic structure for humans and machines, but limited correspondence with presumed affective valence
Wim Gorssen, Ben Sleurs, Carmen Winters
The paper investigates the acoustic structure of pig vocalizations and finds that both humans and machine learning models can recover similar organization, but explicit valence judgments do not strongly correlate with presumed affective states.
bioRxiv · Sep 30, 2026 · PreprintAnimal Behavior & Cognition