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Frequently-Asked Questions > Equipment & Software for Recording EVP/ITC

 
 

Should I use EVPMaker?

EVPMaker was developed by Stefan Bion who is an active member of the German VTF, the German equivalent to the AA-EVP.

As with all things related to EVP, you should consider EVPMaker an experimental program. The principles active in it are quite different from what we find in a sound recorder. In the usual mode, a prerecorded sound track, usually containing "live voice" (human speech), is chopped into small pieces and the pieces are scrambled and reassembled according to a random number generator. The process is not unlike cutting a page of text from a book into small fragments, shaking them up in a container and then blindly picking pieces out one at a time to assemble a new page. We think it is in that random process that the EVP occur as the entity opportunistically selects bits of sounds to make a message. We are referring to this form of EVP as "opportunistic EVP formation."

There is precedence for psi influence over random number processes in the work of the Boundary Institute and others, so it is reasonable to think that the communicating entity can cause a similar psi influence to EVPMaker. The problem is that the process produces a steady stream of staccato sound which the operator must speak over. In the example by Margaret Downey, the EVPMaker output was amplified in the recording made of the session, and after the session was over. You can hear the relative level of the EVPMaker output "behind" her voice.

The length of each fragment is controllable by the operator and it is possible to make the segments so long that recognizable parts of the live voice can be understood. This leads to more frequent EVP, but our study has shown that this may be because it is actually leading to more false positives--ordinary sounds given meaning that they do not actually have.

As is illustrated in Margaret's example, Stefan has introduced an allophone file made from a speech synthesis tool. This file of small speech fragments is used as the input in place of a live voice recording, and consequently any words in the output must necessarily be either fortuitously or paranormally formed from the allophone. It is true that some words may occur naturally but any meaningful response to a question should be considered deliberate.

Much more is known about transform EVP using a standard recorder and background sound than is EVP formed in EVPMaker, so we recommend that a person new to EVP begins with the usual audio recorder and background sound as described in Basic Recording Techniques. Then after learning what EVP is and how it typically sounds, we encourage people to try new techniques, including EVPMaker.

 

Should I use Radio Sweep?

"Radio sweep" is a term describing a technique used for EVP formation using a radio receiver. It has been known for many years and is known as "swept radio" in Europe. The tuning dial of a radio is rapidly moved to cause bits of radio programming to be output at the speaker as a staccato flow of sound. The concept is that the resulting sounds will sometimes be used by the entities to speak. We refer to radio sweep as one of the opportunistic EVP formation techniques, because the entity must depend on a useful sound to be available as the channel is swept.

There is very little documented study of this technique offering evidence that EVP is actually formed using this technique. The possibility of attributing normally occurring sounds as paranormal  (false positive) is so great that the AA-EVP has adopted the policy to encourage people new to EVP to first learn how to record EVP using the usual audio recorder as described in Basic Recording Techniques. Then after learning what EVP is and how it typically sounds, we encourage people to try new techniques, including radio sweep.

Amongst the causes for false positives is that in some automated versions, the dwell time on a station may be sufficiently long to allow three or four words to be spoken by a radio announcer. This may come about in localities in which a very strong stations is detected on a relatively broad part of the spectrum.

For research, the scientific community will automatically discount examples made by any technique using live voice. Since the AA-EVP is very interested in research and teaching, there is little choice but to avoided what is already "dead on arrival" in the scientific community.

Another problem seen to occur is the tendency of the practitioner to "story tell" or creatively describe how a detected sound might answer a question or give important information. For instance, focusing on a string of voice fragments that might actually be meaningless, such as: Question: "What day is it?" Recording: "... ca ... to ... en ...da ... lv ... og ... ee" Story: "Today is the day to love me., meaning that the entity thinks I should love myself to love others." Note that "to" and "da" are seen as "today," "lv" is seen as "love" and "ee" is seen as "me." The other fragments are conveniently ignore in this example because they did not fit a good story. This is probably an extreme example, but it is pretty close to what is usually reported, and without further research to determine whether or not such a story is warranted, the AA-EVP has no choice but to discourage the use of radio sweep by any but very experienced people.

There is one important consideration that complicates our understanding of radio sweep. Most techniques for EVP are actually novel ways of producing audio-frequency sound energy for transformation into voice in an audio recorder. In most of the examples of radio sweep that we agree are probably EVP, all have looked more like transform EVP and the output of the radio sweep process is just a novel sound source. Some describe this as hearing the voice "ride above" the staccato output of the radio sweep.

We cannot say that radio sweep does not produce EVP. We can say that it produces way too many false positives to be an acceptable tool for transcommunication. A test apparatus that might determine the effectiveness of radio sweep would be to have a closed system of multiple allophone files as an input to the sweep process, and have all of this in a shielded container. However, the resulting setup would look a lot like EVPMaker or the Paranormal Puck, so the one must wonder if the effort would be worthwhile.

 

 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
   
 
 
 

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