"Playback experiments" refers to conducting tests or studies by replaying recorded audio or video to study and analyze various aspects or phenomena. Full definition
Once they've developed a final version of the speaker, the goal is to conduct playback experiments with dolphins in the water and to observe what happens. (treehugger.com)
These studies involve measurements of sounds the animals make and natural background noise, as well as sound playback experiments. (sea-inc.net)
By using playback experiments to systematically assess social discrimination skills in relation to developmental history, we provide the first direct evidence that abilities to process information on social identity and age - related dominance are severely compromised among African elephants that had experienced separation from family members and translocation decades previously. (frontiersinzoology.biomedcentral.com)