Instrumental Transcommunication
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ghost hunting Ghost hunting is the process of investigating list of reportedly haunted locations, locations that are purportedly haunted by ghosts. The practice has been heavily criticized for its dismissal of the scientific method. No scientific study has e ...
and
parapsychology Parapsychology is the study of alleged psychic phenomena (extrasensory perception, telepathy, teleportation, precognition, clairvoyance, psychokinesis (also called telekinesis), and psychometry (paranormal), psychometry) and other paranormal cla ...
, electronic voice phenomena (EVP) are sounds found on electronic recordings that are interpreted as spirit voices. Parapsychologist Konstantīns Raudive, who popularized the idea in the 1970s, described EVP as typically brief, usually the length of a word or short phrase. Enthusiasts consider EVP to be a form of
paranormal Paranormal events are purported phenomena described in popular culture, folk, and other non-scientific bodies of knowledge, whose existence within these contexts is described as being beyond the scope of normal scientific understanding. Not ...
phenomenon often found in recordings with static or other
background noise Background noise or ambient noise is any sound other than the sound being monitored (primary sound). Background noise is a form of noise pollution or interference. Background noise is an important concept in setting noise levels. Background no ...
. Scientists regard EVP as a form of auditory
pareidolia Pareidolia (; ) is the tendency for perception to impose a meaningful interpretation on a nebulous stimulus (physiology), stimulus, usually visual, so that one detects an object, pattern, or meaning where there is none. Pareidolia is a specific bu ...
(interpreting random sounds as voices in one's own language) and a
pseudoscience Pseudoscience consists of statements, beliefs, or practices that claim to be both scientific and factual but are incompatible with the scientific method. Pseudoscience is often characterized by contradictory, exaggerated or unfalsifiable cl ...
promulgated by popular culture. Prosaic explanations for EVP include
apophenia Apophenia () is the tendency to perceive meaningful connections between unrelated things. The term ( from the ) was coined by psychiatrist Klaus Conrad in his 1958 publication on the beginning stages of schizophrenia. He defined it as "unmot ...
(perceiving patterns in random information), equipment artifacts, and hoaxes.


History

As the
Spiritualist Spiritualism may refer to: * Spiritual church movement, a group of Spiritualist churches and denominations historically based in the African-American community * Spiritualism (beliefs), a metaphysical belief that the world is made up of at least ...
religious movement Various sociological classifications of religious movements have been proposed by scholars. In the sociology of religion, the most widely used classification is the church-sect typology. The typology is differently construed by different socio ...
became prominent in the 1840s–1940s with a distinguishing belief that the spirits of the dead can be contacted by
mediums Mediumship is the practice of purportedly mediating communication between familiar spirits or spirits of the dead and living human beings. Practitioners are known as "mediums" or "spirit mediums". There are different types of mediumship or spir ...
, new technologies of the era, including
photography Photography is the visual arts, art, application, and practice of creating images by recording light, either electronically by means of an image sensor, or chemically by means of a light-sensitive material such as photographic film. It is empl ...
, were employed by spiritualists in an effort to demonstrate contact with a spirit world. So popular were such ideas that
Thomas Edison Thomas Alva Edison (February11, 1847October18, 1931) was an American inventor and businessman. He developed many devices in fields such as electric power generation, mass communication, sound recording, and motion pictures. These inventions, ...
was asked in an interview with ''
Scientific American ''Scientific American'', informally abbreviated ''SciAm'' or sometimes ''SA'', is an American popular science magazine. Many scientists, including Albert Einstein and Nikola Tesla, have contributed articles to it, with more than 150 Nobel Pri ...
'' to comment on the possibility of using his inventions to communicate with spirits. He replied that if the spirits were only capable of subtle influences, a sensitive recording device would provide a better chance of spirit communication than the table tipping and ouija boards mediums employed at the time. However, there is no indication that Edison ever designed or constructed a device for such a purpose.Carroll, Robert Todd, ''
The Skeptic's Dictionary ''The Skeptic's Dictionary'' is a collection of cross-referenced skeptical essays by Robert Todd Carroll, published on his website skepdic.com and in a printed book. The skepdic.com site was launched in 1994 and the book was published in 2003 ...
'', 2003, Wiley Publishing Company,
As
sound recording Sound recording and reproduction is the electrical, Mechanical system, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The two main classes of ...
became widespread, mediums explored using this technology to demonstrate communication with the dead as well. Spiritualism declined in the latter part of the 20th century, but attempts to use portable recording devices and modern digital technologies to communicate with spirits continued.


Early interest

American photographer
Attila von Szalay Attila ( or ; ), frequently called Attila the Hun, was the ruler of the Huns from 434 until his death in early 453. He was also the leader of an empire consisting of Huns, Ostrogoths, Alans, and Gepids, among others, in Central and East ...
was among the first to try recording what he believed to be voices of the dead as a way to augment his investigations in photographing ghosts. He began his attempts in 1941 using a
78 rpm record A phonograph record (also known as a gramophone record, especially in British English) or a vinyl record (for later varieties only) is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove. The gr ...
, but it wasn't until 1956 – after switching to a reel-to-reel tape recorder – that he believed he was successful. Working with Raymond Bayless, von Szalay conducted several recording sessions with a custom-made apparatus, consisting of a microphone in an insulated cabinet connected to an external recording device and speaker. Szalay reported finding many sounds on the tape that could not be heard on the speaker at the time of recording, some of which were recorded when there was no one in the cabinet. He believed these sounds to be the voices of discarnate spirits. Among the first recordings believed to be spirit voices were such messages as "This is G!", "Hot dog, Art!", and "Merry Christmas and Happy New Year to you all". Von Szalay and Raymond Bayless's work was published by the Journal of the
American Society for Psychical Research The American Society for Psychical Research (ASPR) is the oldest psychical research organization in the United States dedicated to parapsychology. Until recently, it maintained offices and a library in New York City that were open to members and ...
in 1959. Bayless later went on to co-author the 1979 book, ''Phone Calls From the Dead''. In 1959, Swedish painter and film producer Friedrich Jürgenson was recording bird songs. Upon playing the tape later, he heard what he interpreted to be his dead father's voice and then the spirit of his deceased wife calling his name. He went on to make several more recordings, including one that he said contained a message from his late mother.


Raudive voices

Konstantin Raudive The first name Konstantin () is a derivation from the Latin name '' Constantinus'' (Constantine) in some European languages, such as Bulgarian, Russian, Estonian and German. As a Christian given name, it refers to the memory of the Roman emperor ...
, a Latvian psychologist who had taught at
Uppsala University Uppsala University (UU) () is a public university, public research university in Uppsala, Sweden. Founded in 1477, it is the List of universities in Sweden, oldest university in Sweden and the Nordic countries still in operation. Initially fou ...
, Sweden, and who had worked in conjunction with Jürgenson, made over 100,000 recordings which he described as being communications with discarnate people. Some of these recordings were conducted in an RF-screened laboratory and contained words Raudive said were identifiable. In an attempt to confirm the content of his collection of recordings, Raudive invited listeners to hear and interpret them. He believed that the clarity of the voices heard in his recordings implied that they could not be readily explained by normal means. Raudive published his first book, ''Breakthrough: An Amazing Experiment in Electronic Communication with the Dead'' in 1968 and it was translated into English in 1971.


Spiricom and Frank's Box

In 1980, William O'Neil constructed an electronic audio device called "The Spiricom". O'Neil claimed the device was built to specifications which he received
psychic A psychic is a person who claims to use powers rooted in parapsychology, such as extrasensory perception (ESP), to identify information hidden from the normal senses, particularly involving telepathy or clairvoyance; or who performs acts that a ...
ally from George Mueller, a scientist who had died six years previously. At a
Washington, DC Washington, D.C., formally the District of Columbia and commonly known as Washington or D.C., is the capital city and Federal district of the United States, federal district of the United States. The city is on the Potomac River, across from ...
press conference on April 6, 1982, O'Neil stated that he was able to hold two-way conversations with spirits through the Spiricom device, and provided the design specifications to researchers for free. However, nobody is known to have replicated the results O'Neil claimed using his own Spiricom devices. O'Neil's partner, retired industrialist George Meek, attributed O'Neil's success, and the inability of others to replicate it, to O'Neil's
mediumistic Mediumship is the practice of purportedly mediating communication between familiar spirits or spirits of the dead and living human beings. Practitioners are known as "mediums" or "spirit mediums". There are different types of mediumship or spir ...
abilities forming part of the loop that made the system work. In 2020
Kenny Biddle Kenny Biddle is an investigator of paranormal claims. He is chief investigator at the Committee for Skeptical Inquiry and a fellow of the same organization. Initially interested in ghost hunting, UFOs and other fringe pursuits, Biddle gradually ...
wrote a comprehensive article explaining the origins of the Spiricom as developed by O'Neil and Meek. He was prompted to do so by the re-emergence of the device on the television series '' Ghosthunters''. He comprehensively debunked the "science" behind the device in both the original development and the ''Ghosthunters'' episode. Another electronic device specifically constructed in an attempt to capture EVP is "Frank's Box" or the "Ghost Box", created in 2002 by EVP enthusiast Frank Sumption for supposed real-time communication with the dead. Sumption claims he received his design instructions from the spirit world. The device is described as a combination
white noise In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density. The term is used with this or similar meanings in many scientific and technical disciplines, i ...
generator and
AM radio AM broadcasting is radio broadcasting using amplitude modulation (AM) transmissions. It was the first method developed for making audio radio transmissions, and is still used worldwide, primarily for medium wave (also known as "AM band") transmi ...
receiver modified to sweep back and forth through the AM band selecting split-second snippets of sound. Critics of the device say its effect is subjective and incapable of being replicated, and since it relies on radio noise, any meaningful response a user gets is purely coincidental, or simply the result of
pareidolia Pareidolia (; ) is the tendency for perception to impose a meaningful interpretation on a nebulous stimulus (physiology), stimulus, usually visual, so that one detects an object, pattern, or meaning where there is none. Pareidolia is a specific bu ...
. Paranormal researcher
Ben Radford Ben is frequently used as a shortened version of the given names Benjamin, Benedict, Bennett, Benson or Ebenezer, and is also a given name in its own right. Ben meaning "son of" is also found in Arabic as ''Ben'' (dialectal Arabic) or ''bin ...
writes that Frank's Box is a "modern version of the
Ouija board The Ouija ( , ), also known as a Ouija board, spirit board, talking board, or witch board, is a flat board marked with the letters of the Latin alphabet, the numbers 0–9, the words "yes", "no", and occasionally "hello" and "goodbye", along ...
... also known as the 'broken radio'".


Interest in the 21st century and late 20th century

In 1982, Sarah Estep founded the American Association of Electronic Voice Phenomena (AA-EVP) in
Severna Park, Maryland Severna Park is a census-designated place (CDP) in Anne Arundel County, Maryland, United States. Severna Park is part of the Baltimore-Washington Metropolitan Area, and is located approximately north of Annapolis, south of Baltimore and east ...
, a nonprofit organization with the purpose of increasing awareness of EVP, and of teaching standardized methods for capturing it. Estep began her exploration of EVP in 1976, and says she has made hundreds of recordings of messages from deceased friends, relatives, and
extraterrestrials Extraterrestrial life, or alien life (colloquially, aliens), is life that originates from another world rather than on Earth. No extraterrestrial life has yet been scientifically conclusively detected. Such life might range from simple forms ...
whom she speculated originated from other planets or dimensions. The term Instrumental Trans-Communication (ITC) was coined by Ernst Senkowski in the 1970s to refer more generally to communication through any sort of electronic device such as tape recorders, fax machines, television sets or computers between
spirits Spirit(s) commonly refers to: * Liquor, a distilled alcoholic drink * Spirit (animating force), the non-corporeal essence of living things * Spirit (supernatural entity), an incorporeal or immaterial being Spirit(s) may also refer to: Liquids ...
or other discarnate entities and the living.Baruss, Imants (2001)
''Failure to Replicate Electronic Voice Phenomenon''
, Journal of Scientific Exploration, V15#3, 0892-3310/01
Cardoso, Anabela (2003) "ITC Voices: Contact with Another Reality?" One particularly famous claimed incidence of ITC occurred when the image of EVP enthusiast Friedrich Jürgenson (whose funeral was held that day) was said to have appeared on a television in the home of a colleague, which had been purposefully tuned to a vacant channel. ITC enthusiasts also look at the TV and video camera feedback loop of the
Droste effect The Droste effect (), known in art as an example of ''mise en abyme'', is the effect of a picture recursion, recursively appearing within itself, in a place where a similar picture would realistically be expected to appear. This produces a loo ...
. In 1979, parapsychologist D. Scott Rogo described an alleged
paranormal Paranormal events are purported phenomena described in popular culture, folk, and other non-scientific bodies of knowledge, whose existence within these contexts is described as being beyond the scope of normal scientific understanding. Not ...
phenomenon in which people report that they receive simple, brief, and usually single-occurrence
telephone A telephone, colloquially referred to as a phone, is a telecommunications device that enables two or more users to conduct a conversation when they are too far apart to be easily heard directly. A telephone converts sound, typically and most ...
calls from
spirits Spirit(s) commonly refers to: * Liquor, a distilled alcoholic drink * Spirit (animating force), the non-corporeal essence of living things * Spirit (supernatural entity), an incorporeal or immaterial being Spirit(s) may also refer to: Liquids ...
of deceased relatives, friends, or strangers.
Rosemary Guiley Rosemary Ellen Guiley (July 8, 1950 - July 18, 2019) was an American writer on topics related to spirituality, the occult, and the paranormal. She was also a radio show host, a certified hypnotist, a board director of the "National Museum of My ...
has written "within the parapsychology establishment, Rogo was often faulted for poor scholarship, which, critics said, led to erroneous conclusions." In 1995, the parapsychologist David Fontana proposed in an article that poltergeists could haunt tape recorders. He speculated that this may have happened to the parapsychologist
Maurice Grosse Maurice Grosse (6 March 1919 – 14 October 2006) was a British paranormal investigator. Famous for his involvement in the Enfield Poltergeist case from 1977 to 1979, he has been portrayed in several films and television series, including '' T ...
who investigated the Enfield Poltergeist case. However, Tom Flynn, a media expert for the
Committee for Skeptical Inquiry The Committee for Skeptical Inquiry (CSI), formerly known as the Committee for the Scientific Investigation of Claims of the Paranormal (CSICOP), is a program within the U.S. non-profit organization Center for Inquiry (CFI), which seeks to " ...
, examined Fontana's article and suggested an entirely naturalistic explanation for the phenomena. According to the skeptical investigator
Joe Nickell Joe Herman Nickell (December 1, 1944 – March 4, 2025) was an American skeptic and investigator of the paranormal. Nickell was a senior research fellow for the Committee for Skeptical Inquiry and wrote regularly for their journal, '' Skeptic ...
"Occasionally, especially with older tape and under humid conditions, as the tape travels it can adhere to one of the guide posts. When this happens on a deck where both supply and take-up spindles are powered, the tape continues to feed, creating a fold. It was such a loop of tape, Flynn theorizes, that threaded its way amid the works of Grosse's recorder." In 1997, Imants Barušs, of the Department of Psychology at the University of Western Ontario, conducted a series of experiments using the methods of EVP investigator
Konstantin Raudive The first name Konstantin () is a derivation from the Latin name '' Constantinus'' (Constantine) in some European languages, such as Bulgarian, Russian, Estonian and German. As a Christian given name, it refers to the memory of the Roman emperor ...
, and the work of "instrumental transcommunication researcher" Mark Macy, as a guide. A radio was tuned to an empty frequency, and over 81 sessions a total of 60 hours and 11 minutes of recordings were collected. During recordings, a person either sat in silence or attempted to make verbal contact with potential sources of EVP. Barušs stated that he did record several events that sounded like voices, but they were too few and too random to represent viable data and too open to interpretation to be described definitively as EVP. He concluded: "While we did replicate EVP in the weak sense of finding voices on audio tapes, none of the phenomena found in our study was clearly anomalous, let alone attributable to discarnate beings. Hence we have failed to replicate EVP in the strong sense." The findings were published in the ''
Journal of Scientific Exploration The Society for Scientific Exploration (SSE) is a group committed to studying fringe science. The opinions of the organization in regard to what are the proper limits of scientific exploration are often at odds with those of mainstream science. Cr ...
'' in 2001, and include a literature review. In 2005, the ''Journal of the
Society for Psychical Research The Society for Psychical Research (SPR) is a nonprofit organisation in the United Kingdom. Its stated purpose is to understand events and abilities commonly described as psychic or paranormal. It describes itself as the "first society to condu ...
'' published a report by paranormal investigator Alexander MacRae. MacRae conducted recording sessions using a device of his own design that generated EVP. In an attempt to demonstrate that different individuals would interpret EVP in the recordings the same way, MacRae asked seven people to compare some selections to a list of five phrases he provided, and to choose the best match. MacRae said the results of the listening panels indicated that the selections were of paranormal origin. Portable digital voice recorders are currently the technology of choice for some EVP investigators. Since some of these devices are very susceptible to Radio Frequency (RF) contamination, EVP enthusiasts sometimes try to record EVP in RF- and sound-screened rooms. Some EVP enthusiasts describe hearing the words in EVP as an ability, much like learning a new language. Skeptics suggest that the claimed instances may be misinterpretations of natural phenomena, inadvertent influence of the electronic equipment by researchers, or deliberate influencing of the researchers and the equipment by third parties. EVP and ITC are seldom researched within the
scientific community The scientific community is a diverse network of interacting scientists. It includes many "working group, sub-communities" working on particular scientific fields, and within particular institutions; interdisciplinary and cross-institutional acti ...
, so most research in the field is carried out by amateur researchers who lack training and resources to conduct scientific research, and who are motivated by subjective notions.


Explanations and origins

Paranormal Paranormal events are purported phenomena described in popular culture, folk, and other non-scientific bodies of knowledge, whose existence within these contexts is described as being beyond the scope of normal scientific understanding. Not ...
claims for the origin of EVP include living humans imprinting thoughts directly on an electronic medium through
psychokinesis Telekinesis () (alternatively called psychokinesis) is a purported psychic ability allowing an individual to influence a physical system without physical interaction. Experiments to prove the existence of telekinesis have historically been cri ...
and communication by discarnate entities such as spirits, nature energies, beings from other dimensions, or
extraterrestrials Extraterrestrial life, or alien life (colloquially, aliens), is life that originates from another world rather than on Earth. No extraterrestrial life has yet been scientifically conclusively detected. Such life might range from simple forms ...
.Estep, Sarah, "''Voices Of Eternity''," page 144
/ref> Paranormal explanations for EVP generally assume production of EVP by a communicating intelligence through means other than the typical functioning of
communication technologies Information and communications technology (ICT) is an extensional term for information technology (IT) that stresses the role of unified communications and the integration of telecommunications (telephone lines and wireless signals) and computer ...
. Natural explanations for reported instances of EVP tend to dispute this assumption explicitly and provide explanations which do not require novel mechanisms that are not based on recognized
scientific phenomena A phenomenon ( phenomena), sometimes spelled phaenomenon, is an observable Event (philosophy), event. The term came into its modern Philosophy, philosophical usage through Immanuel Kant, who contrasted it with the noumenon, which ''cannot'' be ...
. One study, by psychologist Imants Barušs, was unable to replicate suggested paranormal origins for EVP recorded under controlled conditions. Brian Regal in ''Pseudoscience: A Critical Encyclopedia'' (2009) has written "A case can be made for the idea that many EVPs are artifacts of the recording process itself with which the operators are unfamiliar. The majority of EVPs have alternative, nonspiritual sources; anomalous ones have no clear proof they are of spiritual origin."


Natural explanations

There are a number of simple scientific explanations that can account for why some listeners to the static on audio devices may believe they hear voices, including radio interference and the tendency of the human brain to recognize patterns in random stimuli. Some recordings may be hoaxes created by frauds or pranksters.


Psychology and perception

''Auditory
pareidolia Pareidolia (; ) is the tendency for perception to impose a meaningful interpretation on a nebulous stimulus (physiology), stimulus, usually visual, so that one detects an object, pattern, or meaning where there is none. Pareidolia is a specific bu ...
'' is a situation created when the brain incorrectly interprets random patterns as being familiar patterns. In the case of EVP it could result in an observer interpreting random noise on an audio recording as being the familiar sound of a human voice. The propensity for an apparent voice heard in white noise recordings to be in a language understood well by those researching it, rather than in an unfamiliar language, has been cited as evidence of this, and a broad class of phenomena referred to by author Joe Banks as '' Rorschach Audio'' has been described as a global explanation for all manifestations of EVP.Joe Banks "Rorschach Audio", the "Ghost Orchid" CD sleevenotes, PARC /
Ash International Touch (sometimes mistakenly written 'Touch Records' and sometimes written Touch Music, which is technically the publishing side of the company) is a British audio-visual organisation, operating the Touch label. Touch was founded in 1982 by Jon ...
, 1999
Joe Banks "Rorschach Audio: A Lecture at The Royal Society of British Sculptors", ''Diffusion'' 8, pp. 2-6,
Sonic Arts Network Sonic Arts Network was a UK-based organisation, established in 1979, that aimed to enable both audiences and practitioners to engage with the art of sound through a programme of festivals, events, commissions and education projects. Its honorary ...
, 2000
In a 2019 investigation of a supposed haunted painting in a West Virginia museum, paranormal researcher Kenny Biddle investigated the claims made by the museum owner and ghost hunters that an EVP recording clearly saying the woman's name, "Annie", is really the voice of the woman in the portrait. The name Annie is written on the back of the portrait, which primes anyone listening for the name, to know what name to listen for. The EVP was created using a
Radio Shack RadioShack (formerly written as Radio Shack) is an American electronics retailer that was established in 1921 as an amateur radio mail-order business. Its parent company was purchased by Tandy Corporation in 1962, which shifted its focus from ma ...
radio "modified to allow it to continually scan through the available AM or FM frequencies without muting the sound." Regarding a general question by the ghost hunter "What is your name?", Biddle writes, "I can guarantee sooner or later you'll hear something that sounds like a name, and there is a good chance of being a name, because you're listening to radio broadcasts, news reports, commercials, and so on—which often include names." Biddle lists words such as "company, anything, anyone, mahogany, many, or even any" as words that can be commonly heard while listening to the radio. The phrase '"...and he..."' would also sound like "Annie" to anyone primed to listen for the name Annie. Skeptics such as David Federlein,
Chris French Christopher (Chris) Charles French (born 1956) is a British psychologist who is prominent in the field of anomalistic psychology, with a focus on the psychology of paranormal beliefs and anomalous experiences. In addition to his academic activ ...
,
Terence Hines Terence Michael Hines (born 22 March 1951) is an American academic and researcher. He is a professor of psychology at Pace University, New York, and adjunct professor of neurology at the New York Medical College; he is also a science writer. Hi ...
and
Michael Shermer Michael Brant Shermer (born September 8, 1954) is an American science writer, historian of science, executive director of The Skeptics Society, and founding publisher of '' Skeptic'' magazine, a publication focused on investigating pseudoscientif ...
say that EVP are usually recorded by raising the "
noise floor In signal theory, the noise floor is the measure of the signal created from the sum of all the noise sources and unwanted signals within a measurement system, where noise is defined as any signal other than the one being monitored. In radio com ...
"⁠the electrical noise created by all electrical in order to create
white noise In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density. The term is used with this or similar meanings in many scientific and technical disciplines, i ...
. When this noise is filtered, it can be made to produce noises which sound like speech. Federlein says that this is no different from using a
wah pedal A wah-wah pedal, or simply wah pedal, is a type of effects unit, effects pedal designed for electric guitar that alters the timbre of the input signal to create a distinctive sound, mimicking the human voice saying the onomatopoeia, onomatopoe ...
on a guitar, which is a focused sweep filter which moves around the spectrum and creates open vowel sounds. This, according to Federlein, sounds exactly like some EVP. This, in combination with such things as cross modulation of radio stations or faulty ground loops can cause the impression of paranormal voices. The human brain evolved to recognize patterns, and if a person listens to enough noise the brain will detect words, even when there is no intelligent source for them. Expectation also plays an important part in making people believe they are hearing voices in random noise. ''
Apophenia Apophenia () is the tendency to perceive meaningful connections between unrelated things. The term ( from the ) was coined by psychiatrist Klaus Conrad in his 1958 publication on the beginning stages of schizophrenia. He defined it as "unmot ...
'' is related to, but distinct from pareidolia." Apophenia is defined as "the spontaneous finding of connections or meaning in things which are random, unconnected or meaningless", and has been put forward as a possible explanation. According to the psychologist
James Alcock James E. Alcock (born 24 December 1942) is Professor emeritus (Psychology) at York University (Canada). Alcock is a noted critic of parapsychology and a Fellow and Member of the Executive Council for the Committee for Skeptical Inquiry. He is a m ...
what people hear in EVP recordings can best be explained by apophenia, cross-modulation or expectation and
wishful thinking Wishful thinking is the formation of beliefs based on what might be pleasing to imagine, rather than on evidence, rationality, or reality. It is a product of resolving conflicts between belief and desire. Methodologies to examine wishful thin ...
. Alcock concluded "Electronic Voice Phenomena are the products of hope and expectation; the claims wither away under the light of scientific scrutiny."


Physics

Interference Interference is the act of interfering, invading, or poaching. Interference may also refer to: Communications * Interference (communication), anything which alters, modifies, or disrupts a message * Adjacent-channel interference, caused by extra ...
, for example, is seen in EVP recordings, especially those recorded on devices which contain
RLC circuit An RLC circuit is an electrical circuit consisting of a electrical resistance, resistor (R), an inductor (L), and a capacitor (C), connected in series or in parallel. The name of the circuit is derived from the letters that are used to denote ...
ry. These cases represent radio signals of voices or other sounds from broadcast sources. Interference from CB Radio transmissions and wireless baby monitors, or anomalies generated through cross modulation from other electronic devices, are all documented phenomena. It is even possible for circuits to
resonate Resonance is a phenomenon that occurs when an object or system is subjected to an external force or vibration whose frequency matches a resonant frequency (or resonance frequency) of the system, defined as a frequency that generates a maximu ...
without any internal power source by means of radio reception. ''Capture errors'' are anomalies created by the method used to capture audio signals, such as noise generated through the over-amplification of a signal at the point of recording.Smith, Steven W. (2002) ''Digital Signal Processing - A Practical Guide for Engineers and Scientists'', Newnes, Artifacts created during attempts to boost the clarity of an existing recording might explain some EVP. Methods include re-sampling, frequency isolation, and noise reduction or enhancement, which can cause recordings to take on qualities significantly different from those that were present in the original recording. Randi, James (2006-06-09),
Just Where is Lou Gentile?
',
The first EVP recordings may have originated from the use of tape recording equipment with poorly aligned erasure and recording heads, resulting in the incomplete erasure of previous audio recordings on the tape. This could allow a small percentage of previous content to be superimposed or mixed into a new 'silent' recording.


Sporadic meteors and meteor showers

For all radio transmissions above 30 MHz (which are not reflected by the ionosphere) there is a possibility of meteor reflection of the radio signal.P Harvey & KJ Bohlman. Stereo radio F.M. Handbook, Chapter 7, 1974 Meteors leave a trail of ionised particles and electrons as they pass through the upper atmosphere (a process called ablation) which reflect transmission radio waves which would usually flow into space.L.A. Manning et al., Determination of ionospheric electron distribution, Proc Inst Radio Engineers Vol 37, pp599-603 (1949) These reflected waves are from transmitters which are below the horizon of the received meteor reflection. In Europe this means the brief scattered wave may carry a foreign voice which can interfere with radio receivers. Meteor reflected radio waves last between 0.05 seconds and 1 second, depending on the size of the meteor.


Organizations that show interest in EVP

There are a number of organizations dedicated to studying EVP and instrumental transcommunication, or which otherwise express interest in the subject. Individuals within these organizations may participate in investigations, author books or journal articles, deliver presentations, and hold conferences where they share experiences. In addition, organizations exist which dispute the validity of the phenomena on scientific grounds. The Association TransCommunication (ATransC), formerly the American Association of Electronic Voice Phenomena (AA-EVP), and the International Ghost Hunters Society conduct ongoing investigations of EVP and ITC including collecting examples of purported EVP available over the internet. The Rorschach Audio Project, initiated by sound artist Joe Banks, which presents EVP as a product of radio interference combined with auditory pareidolia and the Interdisciplinary Laboratory for Biopsychocybernetics Research, a non-profit organization dedicated to studying anomalous phenomena related to neurophysiological conditions. According to the AA-EVP it is "the only organized group of researchers we know of specializing in the study of ITC".
Parapsychologists Parapsychology is the study of alleged psychic phenomena (extrasensory perception, telepathy, teleportation, precognition, clairvoyance, psychokinesis (also called telekinesis), and psychometry (paranormal), psychometry) and other paranormal cla ...
and
spiritualists Spiritualism may refer to: * Spiritual church movement, a group of Spiritualist churches and denominations historically based in the African-American community * Spiritualism (beliefs), a metaphysical belief that the world is made up of at least ...
have an ongoing interest in EVP. Many spiritualists experiment with a variety of techniques for spirit communication which they believe provide evidence of the continuation of life. According to the National Spiritualist Association of Churches, "An important modern day development in mediumship is spirit communications via an electronic device. This is most commonly known as Electronic Voice Phenomena (EVP)". An informal survey by the organization's Department Of Phenomenal Evidence cites that 1/3 of churches conduct sessions in which participants seek to communicate with spirit entities using EVP." The
James Randi Educational Foundation The James Randi Educational Foundation (JREF) is an American grant-making institution founded in 1996 by magician and skeptic James Randi. As a nonprofit organization, the mission of JREF includes educating the public and the media on the dange ...
offered a million dollars for proof that any phenomena, including EVP, are caused paranormally.


Demographics


United States

In 2015, an investigation by associate professor of Sociology Marc Eaton on the demography of United States paranormal groups that used electronic voice phenomenon found an overrepresentation of white participants, raised in the Roman Catholic Church (which is only 21% of the U.S. population), mainly with some post-secondary education. Although a preponderance of research shows that women and "less socially integrated individuals" are more likely to believe in ghosts, the demographic samples in Eaton's research did not reflect this.


Cultural impact

The concept of EVP has influenced popular culture. It is popular as an entertaining pursuit, as in
ghost hunting Ghost hunting is the process of investigating list of reportedly haunted locations, locations that are purportedly haunted by ghosts. The practice has been heavily criticized for its dismissal of the scientific method. No scientific study has e ...
, and as a means of dealing with grief. It has influenced literature, radio, film, television, and music.


Groups

Investigation of EVP is the subject of hundreds of regional and national groups and Internet message boards. Paranormal investigator John Zaffis claims, "There's been a boom in ghost hunting ever since the Internet took off." Investigators, equipped with electronic gear – like EMF meters, video cameras, and audio recorders – scour reportedly haunted venues, trying to uncover visual and audio evidence of
ghost In folklore, a ghost is the soul or Spirit (supernatural entity), spirit of a dead Human, person or non-human animal that is believed by some people to be able to appear to the living. In ghostlore, descriptions of ghosts vary widely, from a ...
s. Many use portable recording devices in an attempt to capture EVP.


Films

Films involving EVP include ''
Poltergeist In German folklore and ghostlore, a poltergeist ( or ; ; or ) is a type of ghost or spirit that is responsible for physical disturbances, such as loud noises and objects being moved or destroyed. Most claims or fictional descriptions of polter ...
'', ''
The Sixth Sense ''The Sixth Sense'' is a 1999 American psychological thriller film written and directed by M. Night Shyamalan. It stars Bruce Willis as a child psychologist whose patient ( Haley Joel Osment) claims he can see and talk to the dead. Released ...
'', and ''
White Noise In signal processing, white noise is a random signal having equal intensity at different frequencies, giving it a constant power spectral density. The term is used with this or similar meanings in many scientific and technical disciplines, i ...
''.


Video games

'' Sylvio'' is an indie-developed first-person horror
adventure An adventure is an exciting experience or undertaking that is typically bold, sometimes risky. Adventures may be activities with danger such as traveling, exploring, skydiving, mountain climbing, scuba diving, river rafting, or other extreme spo ...
video game A video game or computer game is an electronic game that involves interaction with a user interface or input device (such as a joystick, game controller, controller, computer keyboard, keyboard, or motion sensing device) to generate visual fe ...
released on Steam in June 2015 for
Microsoft Windows Windows is a Product lining, product line of Proprietary software, proprietary graphical user interface, graphical operating systems developed and marketed by Microsoft. It is grouped into families and subfamilies that cater to particular sec ...
,
PlayStation 4 The PlayStation 4 (PS4) is a home video game console developed by Sony Interactive Entertainment. Announced as the successor to the PlayStation 3 in February 2013, it was launched on November 15, 2013, in North America, November 29, 2013, in ...
,
Xbox One The Xbox One is a home video game console developed by Microsoft. Announced in May 2013, it is the successor to Xbox 360 and the third console in the Xbox#Consoles, Xbox series. It was first released in North America, parts of Europe, Austra ...
and,
OS X macOS, previously OS X and originally Mac OS X, is a Unix, Unix-based operating system developed and marketed by Apple Inc., Apple since 2001. It is the current operating system for Apple's Mac (computer), Mac computers. With ...
, utilizing the Unity engine. The game is about an audio recordist called Juliette Waters, who records the voices of ghosts through electronic voice phenomenon. She finds herself trapped in an old family park, shut down since a landslide in 1971, and she now needs to use her recorder to survive the night. A sequel, '' Sylvio 2'', was released on October 11, 2017. '' Phasmophobia'' is a
co-op A cooperative (also known as co-operative, coöperative, co-op, or coop) is "an autonomous association of persons united voluntarily to meet their common economic, social and cultural needs and aspirations through a jointly owned and democr ...
horror
video game A video game or computer game is an electronic game that involves interaction with a user interface or input device (such as a joystick, game controller, controller, computer keyboard, keyboard, or motion sensing device) to generate visual fe ...
, in which a team of one to four players play as ghost hunters who try to identify hostile ghosts in varying locations. The game features a Spirit Box item used to capture EVPs of certain ghost types, which helps the players identify the type of the ghost they're dealing with. EVPs in ''Phasmophobia'' consist of singular words, such as "here", "attack", "death", "adult", etc., each denoting a response to a player initiated question.


TV and radio

It has been featured on television series like ''
Ghost Whisperer ''Ghost Whisperer'' is an American supernatural television series, which ran on CBS from September 23, 2005, to May 21, 2010. The series follows the life of Melinda Gordon ( Jennifer Love Hewitt), who has the ability to see and communicate w ...
'', '' In Search Of… (1981)'', '' The Omega Factor'', ''
A Haunting ''A Haunting'' is an American paranormal drama anthology television series that depicts eyewitness accounts of alleged possession, exorcism, and ghostly encounters. The program features narrations, interviews, and dramatic re-enactments based ...
'', '' Ghost Hunters'', ''
MonsterQuest ''MonsterQuest'' (sometimes written as ''Monsterquest'' or ''Monster Quest'') is an American television series that originally aired from October 31, 2007 to March 24, 2010 on the History Channel channel. Produced by Whitewolf Entertainment, the pr ...
'', ''
Ghost Adventures ''Ghost Adventures'' is an American paranormal television, paranormal and reality television series that premiered on October 17, 2008, on the Travel Channel before moving to Discovery+ in 2021. An independent film of the same name originally ai ...
'', ''
The Secret Saturdays ''The Secret Saturdays'' is an American animated television series created by Canadian cartoonist Jay Stephens and produced by PorchLight Entertainment for Cartoon Network. It debuted on October 3, 2008, in the United States. The series follows ...
'', '' Fact or Faked: Paranormal Files'', ''
Supernatural Supernatural phenomena or entities are those beyond the Scientific law, laws of nature. The term is derived from Medieval Latin , from Latin 'above, beyond, outside of' + 'nature'. Although the corollary term "nature" has had multiple meanin ...
'', '' Derren Brown Investigates'', '' Ghost Lab and Buzzfeed Unsolved: Supernatural'' *''
Coast To Coast AM ''Coast to Coast AM'' is an American late-night radio talk show that deals with a variety of topics. Most frequently the topics relate to either the paranormal or conspiracy theories. It was hosted by creator Art Bell from its inception in 198 ...
'' hosts
George Noory George Ralph Noory (born June 4, 1950) is an American talk radio, radio talk show host. Since January 2003, Noory has been the weekday host of the late-night radio talk show ''Coast to Coast AM''. The program is radio syndication, syndicated to ...
and
Art Bell Arthur William Bell III (June 17, 1945 – April 13, 2018) was an American broadcaster and author. He was the founder and the original host of the paranormal-themed radio program '' Coast to Coast AM'', which is syndicated on hundreds ...
have explored the topic of EVP with featured guests such as Brendan Cook and Barbara McBeath of the Ghost Investigators Society, and paranormal investigator and 'demonologist' Lou Gentile. *''The Spirit of John Lennon'' was a pay-per-view
séance A séance or seance (; ) is an attempt to communicate with spirits. The word ''séance'' comes from the French language, French word for "session", from the Old French , "to sit". In French, the word's meaning is quite general and mundane: one ma ...
broadcast in 2006, in which TV crew members, a
psychic A psychic is a person who claims to use powers rooted in parapsychology, such as extrasensory perception (ESP), to identify information hidden from the normal senses, particularly involving telepathy or clairvoyance; or who performs acts that a ...
, and an "expert in paranormal activity" claim the spirit of former Beatle
John Lennon John Winston Ono Lennon (born John Winston Lennon; 9 October 19408 December 1980) was an English singer-songwriter, musician and activist. He gained global fame as the founder, co-lead vocalist and rhythm guitarist of the Beatles. Lennon's ...
made contact with them through what was described as "an Electronic Voice Phenomenon (EVP)." *The ''
Doctor Who ''Doctor Who'' is a British science fiction television series broadcast by the BBC since 1963. The series, created by Sydney Newman, C. E. Webber and Donald Wilson (writer and producer), Donald Wilson, depicts the adventures of an extraterre ...
'' episode " Dark Water" features a fictional facility which was allegedly based on this principle. * The Egyptian series ''Nasiby w Kesmetk'' episode 6


Novels

''
Legion Legion may refer to: Military * Roman legion, the basic military unit of the ancient Roman army * Aviazione Legionaria, Italian air force during the Spanish Civil War * A legion is the regional unit of the Italian carabinieri * Spanish Legion, ...
'', a 1983 novel by
William Peter Blatty William Peter Blatty (January 7, 1928 – January 12, 2017) was an American writer, director and producer. He is best known for his 1971 novel ''The Exorcist (novel), The Exorcist'' and for his screenplay for The Exorcist, the 1973 film adaptat ...
, contains a subplot where Dr. Vincent Amfortas, a terminally ill neurologist, leaves a "to-be-opened-upon-my-death" letter for Father Dyer detailing his accounts of contact with the dead, including the doctor's recently deceased wife, Ann, through EVP recordings. Amfortas' character and the EVP subplot do not appear in the film version of the novel, ''
The Exorcist III ''The Exorcist III'' is a 1990 American supernatural psychological horror film written for the screen and directed by William Peter Blatty, based on his 1983 novel '' Legion''. It is the third installment in ''The Exorcist'' film series and t ...
'', although in Kinderman's dream dead people are seen trying to communicate with the living by radio. In ''
Pattern Recognition Pattern recognition is the task of assigning a class to an observation based on patterns extracted from data. While similar, pattern recognition (PR) is not to be confused with pattern machines (PM) which may possess PR capabilities but their p ...
'', a 2003 novel by
William Gibson William Ford Gibson (born March 17, 1948) is an American-Canadian speculative fiction writer and essayist widely credited with pioneering the science fiction subgenre known as cyberpunk. Beginning his writing career in the late 1970s, his ear ...
, the main character's mother tries to convince her that her father is communicating with her from recordings after his death/disappearance in the
September 11, 2001 attacks The September 11 attacks, also known as 9/11, were four coordinated Islamist terrorist suicide attacks by al-Qaeda against the United States in 2001. Nineteen terrorists hijacked four commercial airliners, crashing the first two into ...
.


Theatre and music

In '' Nyctivoe'', a 2001
vampire A vampire is a mythical creature that subsists by feeding on the Vitalism, vital essence (generally in the form of blood) of the living. In European folklore, vampires are undead, undead humanoid creatures that often visited loved ones and c ...
-inspired play by
Dimitris Lyacos Dimitris Lyacos (; born 19 October 1966) is a Greek writer. He is the author of the ''Z213: Exit, Poena Damni'' trilogy and the composite novel ''Until the Victim Becomes our Own''. Lyacos's work is characterised by its genre-defying form and th ...
, the male character as well as his deceased companion are speaking from a recording device amidst a static/white noise background. In ''
With the people from the bridge ''With the People from the Bridge'' (Greek: ''Με τους ανθρώπους από τη γέφυρα'') is the second part of the ''Poena Damni'' trilogy by Greek author Dimitris Lyacos. The book deals with the theme of loss and the return of ...
'', a 2014 play by
Dimitris Lyacos Dimitris Lyacos (; born 19 October 1966) is a Greek writer. He is the author of the ''Z213: Exit, Poena Damni'' trilogy and the composite novel ''Until the Victim Becomes our Own''. Lyacos's work is characterised by its genre-defying form and th ...
based on the idea of the return of the dead, the voice of the female character NCTV is transmitted from a television monitor amidst a static/white noise background. EVP is the subject of Vyktoria Pratt Keating's song "Disembodied Voices on Tape" from her 2003 album ''Things that Fall from the Sky'', produced by
Andrew Giddings Andrew Giddings (born 10 July 1963) is an English musician. He primarily plays keyboard instruments and is best known as a former member of British rock group Jethro Tull, for whom he was the longest serving keyboardist. Early life Giddings ...
of Jethro Tull.
Laurie Anderson Laura Phillips "Laurie" Anderson (born June 5, 1947) is an American avant-garde artist, musician and filmmaker whose work encompasses performance art, pop music, and multimedia projects. Initially trained in violin and sculpting,Amirkhanian, Cha ...
's "Example #22", from her 1981 album '' Big Science,'' interposes spoken sentences and phrases in German with sung passages in English representing EVP. During the outro to "Rubber Ring" by
The Smiths The Smiths were an English Rock music, rock band formed in Manchester in 1982, composed of Morrissey (vocals), Johnny Marr (guitar), Andy Rourke (bass) and Mike Joyce (musician), Mike Joyce (drums). Morrissey and Marr formed the band's songwrit ...
, a sample from an EVP recording is repeated. The phrase "You are sleeping, you do not want to believe," is a 'translation' of the 'spirit voices' from a 1970s flexitape. The original recording is from the 1971 record which accompanied Raudive's book 'Breakthrough', and which was re-issued as a flexi-disc in the 1980s free with The Unexplained magazine.
Bass Communion Bass Communion is a solo project of English musician Steven Wilson, best known for his lead role in the rock band Porcupine Tree. Records released under the name Bass Communion are in an ambient or electronic vein—lengthy, drone-heavy compo ...
's 2004 album ''
Ghosts on Magnetic Tape ''Ghosts on Magnetic Tape'' is the fourth studio album released by British musician, songwriter, and producer Steven Wilson under the pseudonym Bass Communion. It was created primarily from processing 78rpm records and piano sources. There was a ...
'' was inspired by EVP. The band Giles Corey, founded by Dan Barrett composed a song called "Empty Churches" which features track 2 called 'Raymond Cass', track 36 called 'Justified Theft' and track 38 called 'Tramping' from the album ''An Introduction to EVP'' by The Ghost Orchid which features excerpts from different EVP experiments produced by many researchers, although most are unknown, some have been pointed out to be more known researchers who studied EVP recordings including Friedrich Jurgenson, Raymond Cass and Konstantin Raudive. The 2017 album ''Katharsis (A Small Victory)'' of Polish theatre group Teatr Tworzenia by
Jarosław Pijarowski Jaroslaw Pijarowski (born 18 December 1971) is a Polish avant-garde artist, art curator and founder of Teatr Tworzenia (Theater of Creation). He creates contemporary music, poetry, photography, fine arts and theatre-music spectacles. Career He be ...
contains EVP recordings in the background of its second track "Katharsis – Pandemonium".


See also

*
Auditory hallucination An auditory hallucination, or paracusia, is a form of hallucination that involves perceiving sounds without auditory stimulus. While experiencing an auditory hallucination, the affected person hears a sound or sounds that did not come from the ...
*
Backward message Backmasking is a recording technique in which a message is recorded backward onto a track that is meant to be played forward. It is a deliberate process, whereas a message found through phonetic reversal may be unintentional. Artists have used b ...
*
Ghost hunting Ghost hunting is the process of investigating list of reportedly haunted locations, locations that are purportedly haunted by ghosts. The practice has been heavily criticized for its dismissal of the scientific method. No scientific study has e ...
*
List of topics characterized as pseudoscience This is a list of topics that have been characterized as pseudoscience by academics or researchers, either currently or in the past. Detailed discussion of these topics may be found on their main pages. These characterizations were made in the c ...
*
Mediumship Mediumship is the practice of purportedly mediating communication between familiar spirits or ghost, spirits of the dead and living human beings. Practitioners are known as "mediums" or "spirit mediums". There are different types of mediumship or ...
*
Parapsychology Parapsychology is the study of alleged psychic phenomena (extrasensory perception, telepathy, teleportation, precognition, clairvoyance, psychokinesis (also called telekinesis), and psychometry (paranormal), psychometry) and other paranormal cla ...
*
Pattern recognition Pattern recognition is the task of assigning a class to an observation based on patterns extracted from data. While similar, pattern recognition (PR) is not to be confused with pattern machines (PM) which may possess PR capabilities but their p ...
* Reverse speech


References

{{DEFAULTSORT:Electronic Voice Phenomenon Ghosts Paranormal terminology Parapsychology Pseudoscience Recording Spiritualism Telephony Pareidolia