What is the best kind of recording device for EVP?
The answer to this question has changed as technology has evolved. Today, digital voice recorders are recommended for experimenting in both field and controlled conditions. Other audio recorders, such as the cassette and reel-to-reel tape recorders, are excellent; however the mini-cassette or CD recorders have not been well received by the EVP community. Research has shown that the voice in transform EVP is formed by changing available audio-frequency sound into the voice. For this reason, we have found that it is sometimes necessary to provide background sound during EVP experiments when using a very quiet recorder. This is usually accomplished with an external microphone and such sound sources as a fan, static from a radio or running water. The sound of garbed foreign language voices is used by some people and a sample file of this can be downloaded from here. The objective is to provide sound with human voice frequencies that has many harmonics and overtones. “live” sound is preferr
