Infrasound is sound with a frequency too low to be heard by the human ear (lower than 20Hz). So what's the point of a sound that we can't hear?
A steady 17 Hz sound wave is not within the range of conscious hearing, yet it does affect people.
Infrasound (between 17 and 19 Hz) has been proven to cause feelings of awe and fear in people.
In a 2003 experiment in the UK, 700 people were exposed to such a wave while listening to different pieces of music. (The musical selections were varied to avoid association of feelings with any particular musical piece.) The selections were played both with and without the 17 Hz undertone. Respondents reported anxiety, uneasiness, extreme sorrow, nervous feelings of revulsion or fear, chills down the spine and feelings of pressure on the chest only when the 17 Hz wave accompanied the music.
So...why not use infrasound to enhance the haunt experience? The effects dissipate as soon as exposure to the infrasound stops...it has no lasting physical effects. Plus low frequency waves are capable of moving around obstacles and last longer than higher frequency waves. (One wouldn't have to worry about room acoustics.)
Opinions?
A steady 17 Hz sound wave is not within the range of conscious hearing, yet it does affect people.
Infrasound (between 17 and 19 Hz) has been proven to cause feelings of awe and fear in people.
In a 2003 experiment in the UK, 700 people were exposed to such a wave while listening to different pieces of music. (The musical selections were varied to avoid association of feelings with any particular musical piece.) The selections were played both with and without the 17 Hz undertone. Respondents reported anxiety, uneasiness, extreme sorrow, nervous feelings of revulsion or fear, chills down the spine and feelings of pressure on the chest only when the 17 Hz wave accompanied the music.
So...why not use infrasound to enhance the haunt experience? The effects dissipate as soon as exposure to the infrasound stops...it has no lasting physical effects. Plus low frequency waves are capable of moving around obstacles and last longer than higher frequency waves. (One wouldn't have to worry about room acoustics.)
Opinions?
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