Parapsychology/Paranormal/Recording
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Various tools are used by ghost hunters and paranormal enthusiasts. These include:
- Still photography
- Video cameras
- Audio recordings, (see Electronic Voice Phenomenon, below).
- Electromagnetic sensors
- Temperature measurements
Some groups employ psychics in hopes of communicating with spirits.
[edit] Electronic Voice Phenomenon
One method that is widely used by ghost hunters is searching for voices via an audio recording, which they call Electronic Voice Phenomenon, or EVP. Ghost hunters often allow a recorder to record while they ask a perceived ghost questions, hoping to find an answer on the tape. Often, low quality equipment is used, as this equipment introduces background noise. Other methods include using a running electrical appliance (e.g. fans) or a radio or television not tuned to a station. Skeptics say the brain is misinterpreting mere noise, a phenomenon known as Auditory pareidolia.
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