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In
the 1950's, Friedrich Jürgenson,
a Swedish musician and avid
bird enthusiast, was recording
birdsongs outside his country
home using a reel-to-reel
tape recorder. Even though
there was no-one else in the
vicinity when the recordings
were made, Jürgenson
heard faint but intelligible
voices in the background when
he played back the tapes.
Thinking something was wrong
with his recorder, he tried
again and found more voices
on the recording. He realized
he might be picking up voices
of spirits. He began making
many more recordings. This
series of phenomena was eventually
investigated by Hans Bender
(a German parapsychologist)
and Konstantin Raudive (a
Latvian psychologist) and
a book on the findings ensued,
which was published in 1971.
Thomas
Edison, the famous American
inventor, began trying to
prove the existence of an
afterlife with his inventions.
In the few weeks prior to
his death, he locked himself
in a secluded room with a
modified version of the phonograph
he invented earlier in his
life, and begin recording
questions. When playing the
recordings back on a regular
phonograph, he was amazed
to find other voices giving
answers to his questions.
Knowing no one else was in
the room during his experiments,
he deduced that these were
truly "spirit voices".
This early EVP recording device
is currently on display at
the Smithsonian Institute.
Today
many professionals and amateur
groups are using EVP as a
standard tool to investigate
sites and are having pretty
good results. SOS Ghost Hunters
will be uploading some of
our own recordings of EVP
to our web site in the very
near future.
Classifications
of EVP
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