A ghost-hunter's tech toolkit

Before you start the next great poltergeist hunt, check out our skeptical look at what ghost-hunting gadgets supposedly reveal.

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Sound-Editing Software

Once EVPs have been recorded, they must be reviewed through sound-editing software, such as [[xref:http://www.pcworld.com/downloads/file/fid,22513/description.html|Audacity|Audacity]] (shown here). At this point, ghost hunters amplify, slow down, speed up, and analyze strange sounds to try to pick out speech and other mysterious electronic voice phenomena. Of course, it takes heavy manipulation of a recording—not to mention creativity and wishful thinking—to make fuzzy noises sound like voice communication from the other side.

Image: Courtesy of Audacity

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A ghost-hunter's tech toolkit

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