68% of Americans believe in the paranormal .These beliefs have spawned thousands of groups dedicated to investigating paranormal phenomena and a proliferation of ghost hunting entries in the reality television market. Anecdotal evidence even suggests that ghost-hunting reality shows have increased public openness to paranormal research, which usually entails a small group traipsing through reportedly haunted locales at night with various ghost-hunting technologies.
Audio recorders figure prominently in paranormal researchers’ toolkits . Microphones capture ambient sounds during the investigation. Later, the audio recordings are scoured in search of messages from spirits. The premise is that audio recording devices can register otherwise inaudible communications from discarnate entities.