Electronic Voice Phenomena
EVP is the acronym used for "Electronic Voice Phenomena" which is the recording of what sounds like human speech, words, phrases or other sounds onto audio recording devices, devices such as tape and digital voice recorders and other recording devices such as telephone answering machines etc. These sounds, voices and words are usually not heard by the human ear while the recordings are being made but are only heard during playback or with the aid of computer amplifications, enhancements or modifications
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