A pre-recorded audio clip triggered by motion throughout the Halloween season provides a component of shock and worry to decorations and shows. For instance, a sensor detecting a trick-or-treaters method may activate a spooky chortle, a bloodcurdling scream, or ghostly music.
The incorporation of such expertise enhances the immersive expertise, making a memorable and doubtlessly startling encounter. The expertise attracts upon a protracted historical past of theatrical sound results designed to create environment and elicit emotional responses. Its accessibility and affordability have made it a prevalent function in each residential and industrial Halloween setups.