Hearing Voices in one's head is known as V2K (voice to skull)


There are different methods that are used to this effect.


Comment by Igor Goychuk, Institute of Physics, University of Augsburg, Germany (link)

"TIs (Targeted Individuals) can count on me as an expert in any court. Hearing voices without a visible reason cannot be considered anymore as a symptom of schizophrenia since they can be produced by a V2K device or another classified weapon."


Igor Goychuk facebook page




V2K Patents



Microwave Auditory Effect: From clicks to speech; transferring audio remotely in the head of an individual

From above web page link

"How to avoid profound distortion and transmit clear voices? This is explained in the following US patent Method and device for implementing the radio frequency hearing effect"


“Method and device for implementing the radio frequency hearing effect”: a patent held by the US Air Force


Method and device for implementing the radio frequency hearing effect  - US 6470214 B1


Assignee: The United States of America as represented by the Secretary of the Air Force, Washington, DC (US)


Some notes from the patent:


The head is modelled as a 7cm sphere (S). It absorbs RF power which causes an increase in temperature that in turn causes an expansion and contraction which results in a pressure wave, in an acoustic wave.


The "opposition" or “resistance” of the sphere to acoustic flow is termed acoustic impedance. (Similar to impedance and resistance in electricity).


The specific acoustic impedance Zs of the sphere is calculated. It is shown that it has a lower cut-off break frequency of about 3,547 Hertz (Hz) for the parameters chosen. The essential frequency range of speech is about 300 to 3000 Hz, i.e., below the cut-off frequency. Therefore, as mentioned the Real part (Rc) will be used.


Let us consider how much power will fall onto the sphere. Below are some notes from the section:

Results for an AM Modulated Single Tone

“An RF carrier with amplitude Ac at frequency ωc is AM modulated 100 percent with a single tone audio signal at frequency ωa. The voltage (time) equation of this modulated signal is given by equation (2), below:


V(t)=A c sin(ωc t)(1+sin(ωa t))  (2)


The power signal is V(t)2  as given by equation (3).    A note to self: P(t)=V(t)2


It is mentioned that equation (3) has two terms that are in the hearing range.


The amplitude of the radius change Ur is calculated. It is a function of the power signal P(t).

Then, the acoustic pressure p(t) is calculated.

p(t)=R e {Z s U r }=R e(Z s)U r


Following an intermediate step the relationships below are obtained:

p(t)=C[Z s(ωa)sin(ωa t)−¼Z s(2ωa)cos(2ωa t)]  (8)

R e {Z s(f)}=ρo c(f/f c)2/(1+(f/f c)2)  (8a)


Results for Two Tone AM Modulation Analysis


AM Modulation with Fully Suppressed Carrier for the Intelligible Encoding of Speech by the Invention for Compatibility with the RF Hearing Phenomena


Quote: “This modulation is commonly accomplished in hardware by means of a circuit known as a balanced modulator, as disclosed, for example in “Radio Engineering”, Frederick E. Terman, p.481-3, McGraw-Hill, 1947.”




Other V2K Patents


Hearing system US 4877027 A (1989)


(credit: peacepink.com member Sue)




The "Voice of God Weapon" Technology


An interesting video created by Daily Sheeple of www.TheDailySheeple.com

relevant link



credit for finding video: Robert Duncan facebook post


Cited articles:


"When Seeing and Hearing Isn't Believing" via the Washington post

By William M. Arkin | 1999




Bill Arkin




Hear Voices? It May Be an Ad

An A&E Billboard 'Whispers' a Spooky Message Audible Only in Your Head in Push to Promote Its New 'Paranormal' Program

By Andrew Hampp 



No, he's not crazy: Our intrepid reporter Andrew Hampp ventures to SoHo to hear for himself the technology that has New Yorkers 'freaked out' and A&E buzzing.





"The Voice of God Weapons returns" via Wired

By S. Weinberger | 2007






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