Laugh Link

Research into human laughter identifies several distinct acoustic "features" used for analysis or AI classification: Fundamental Frequency (

: Applications like Laugh Party and Laugh out loud offer features to trigger various types of laughter (e.g., giggles, belly laughs) directly from a device or Apple Watch. Acoustic and Scientific Features

: A standard audio feature in comedy productions and video editors like Kapwing where pre-recorded laughter is added to a video to create a sense of community and highlight jokes.