"Ishin-Den-Shin" turns your friend's fingers into headphones. We aren't joking!

Thinking of buying a new pair of headphones? Bose, Sennheiser or Beats by DRE aren't cool anymore. What's cool is using your friend's fingers as headphones and the new technology developed by Disney Research makes it possible. The prototype developed by Disney engineers is called Ishin-Den-Shin, which is a Japanese phrase for 'what the mind thinks, the heart transmits'. It comes from the Japanese concept related to interpersonal conversation without verbal communication. The technology has been developed by Olivier Bau, Ivan Poupyrev and Yuri Suzuki. All you need is this prototype machine and a friend willing to touch your ear with his/her index finger.


The project explores human body as a medium for transmission of analog sound signals. The prototype developed by the researchers turns audio message / clip into a signal that's inaudible to humans. This signal is relayed by the human body to the receiver's ear. The whole thing works as described below -

The communicator holds a microphone. The communicator speaks into the microphone and microphone transmits the signal to the attached computer. The computer records the clip and then converts it into a low-current but high voltage signal ( (<300 Vpp, <50 uA) and feeds it back to the microphone. This looped signal creates a modulated electrostatic field and produces a very small vibration in the micrphone. This vibration is relayed by the communicator's body to the receiver's ear. The ear receives the signal and starts acting as a speaker reproducing the audio clip or message.


The ishin-Den-Shin technology can turn any regular object into a speaker. Technology itself isn't' very new. Japanese NTT DoCoMo had developed a 'finger phone' about a decade ago that uses the 'bone conduction' technology. It allowed you to listen to the phone calls just by touching your index finger to the eardrum.

It'd be interesting to see what'd be the special uses of this technology. We'd like to ask all the CEans what uses cases do they see for this technology? We're sure you can think of very interesting applications! Go ahead!

Via: #-Link-Snipped-#


  • Jeffrey Arulraj
    Jeffrey Arulraj
    Did we not have the very same thread a few days back here in CE posted by @#-Link-Snipped-#
  • Ankita Katdare
    Ankita Katdare
    Jeffrey Samuel
    Did we not have the very same thread a few days back here in CE posted by @#-Link-Snipped-#
    Yeah. It is a repeat post. I talked to Biggie about it.
  • Kaustubh Katdare
    Kaustubh Katdare
    Yes, it's a repeated post. Didn't check for the coverage.

You are reading an archived discussion.

Related Posts

We all belong to various engineering disciplines - be it Electrical, Chemical, Structural, Mechanical etc. We've been trained to be specialists in individual disciplines of engineering and the most of...
Does anyone has suggestion on reducing engine load or in terms of reducing fuel consumption using any electrical system or conversion into electrical system ?
how rpm effect on power and voltage of a alternator
Europe's largest tidal power plant scheduled for commissioning in 2015 has got the nod to proceed. This is expected to produce 86 MW. This has a potential for scale up...
I'am currently confused weather 2 join IT company r opt 4 a banking job.....i have completed B.E-Computer Science and i have a job Offer from an IT company...which demands me...