The concept of psychophony, or the recording of voices from the dead, has been around since the 1920s and 1930s. During World War II, radio operators in Sweden and Norway reported hearing strange voices on the radio spectrum. The phenomenon gained popularity in the 1950s and 1960s, with thousands of parapsychologists attempting to record voices of the dead. The article presents a countdown of the 7 most terrifying psychophony recordings, including a voice that was recorded by an answering machine, a recording from the House of Bélmez Faces in Spain, and a voice that was captured by a group of paranormal investigators in the United States. The top two recordings are described as chaotic and long, with one being taken in the basement of a house and the other in a hotel in New York.
Here are the key facts extracted from the text:
1. In the 1920s and 1930s, people began reporting hearing strange voices on the radio spectrum.
2. During World War II, radio operators in Swedish and Norwegian military bases reported hearing voices among the white noise.
3. Initially, they thought the voices were from Nazi soldiers, but the language spoken was local.
4. In 1959, Swedish opera singer and cinematographer Frederick Jürgenson used tape recorders to record the singing of birds, but instead captured the voice of his deceased mother.
5. Jürgenson's recording is considered one of the first examples of psychophony, a phenomenon where voices are heard on recordings.
6. Psychophony has been recorded by thousands of parapsychologists around the world.
7. Dr. Sinesio Darnell is considered one of the greatest experts in psychophony.
8. The House of Bélmez Faces in Spain is a location known for paranormal phenomena, including psychophony.
9. The Linares Palace in Spain has a history of paranormal legends and has been the site of psychophony recordings.
10. Professor Germán de Argumosa was a renowned expert in psychophony and recorded a famous example in the basement of a house.
11. The recording by Argumosa was said to be so disturbing that only a few people were allowed to hear it.
12. A psychophony recording was made in 2007 by the New York Ghost Hunters team in a hotel in New York.
13. The team used sophisticated equipment to capture the recording, which was described as "absolutely sinister."
14. Psychophony can be attempted by individuals using their own equipment and audio programs.