The new piezoelectric fabric hears the sound of the heart.

(An MIT team has designed an “acoustic fabric,” woven with a fiber that is designed from a “piezoelectric” material that produces an electrical signal when bent or mechanically deformed, providing a means for the fabric to convert sound vibrations into electrical signals. Credit: Greg Hren) (SciTechDaily/New “Acoustic Fabric” Hears Your Heart’s Sounds)

Piezoelectric nanotechnology is not a new thing. There is made research with fabric and clothes that can recharge mobile telephones. The idea of those systems is that the body movements can change to electricity by using piezoelectric fabric. But the same style of piezoelectric fibers can use as the fabric that can hear the heart. Or it can use as a microphone that can transform the resonance of layers to electric impulse and sound.

The new acoustic fabric is made by using piezoelectric material. That material allows the fabric to hear the sound of the heart. And this thing makes it possible to create new intelligent clothes that are observing the condition of humans or animals. The clothes that are made by using this intelligent material can connect to the wristwatch-size computer that resends the biometric data to the mobile telephone. And the mobile telephone can communicate with any computer in the world.

But the same system can use as the microphone. The user can put acoustic fabric against a table or to the wall. And that thing resends oscillation of the layer to the computer that can decode those signals to sound. The acoustic fabric can use in microphones that are looking like fabric boards. That thing opens new visions in the eavesdrop and recording tools.

The same fabric can use to make new microphones that are allowing to hear things that are happening behind the wall. The idea of this kind of microphone is that the acoustic fabric is put against the wall. And then the user of that system can connect the fabric to the small computer and then to the mobile telephone. That allows sending the information about discussions to long-distance through the internet.

https://scitechdaily.com/new-acoustic-fabric-hears-your-hearts-sounds/

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