In many neighborhoods in the country, discussions between neighbors over annoying noises Late hours of the day or night are commonplace. Now, a technological advancement could end these conflicts, and in the process, open the doors still business that will generate millions in the acoustic insulation market.
He Massachusetts Institute of Technology (MIT) presented an innovative soundproofing fabric which promises to reduce both unwanted sounds and vibrations, offering a revolutionary solution for homes, offices and vehicles. This development combines science, technology and economic potential.
How soundproofing fabric that cancels noise and vibrations works
The central pillar of this invention is a ultrafine fabric that can block up to 75% of noises and a 95% of vibrations. Material based piezoelectricthis tissue uses electricity to deform and generate sound waves that neutralize external sounds. According to Yoel Fink, project leader, “noise is much easier to create than silence, but This innovation changes the rules of the gameeither”.
The fabric is made up of a fiber piezoelectric 0.13 mm thick integrated into its structure. When coming into contact with a sound, the fiber generates waves that are out of phase with the original noise, canceling it. This mechanism is similar to that of headphones with sound cancellation, but in a version that can be applied to curtains, walls or even vehicle interiors.
In tests carried out, the fabric managed to reduce the vibrations of a space by 95% while reducing sound transmission by 75%. These figures are impressive, especially considering that the material also reflects sound by 68%, reinforcing its ability to maintain quiet spaces.
In addition to its acoustic effectiveness, the fabric offers a practical advantage: it takes up much less space than traditional solutions such as thick walls or acoustic panels. This makes it an ideal choice for open spaces or places with architectural restrictions.
The researchers also noted that fabric performance can vary depending on the pore size of the material and the frequency of sound. However, this flexible layout could adapt to different needs, from offices to family rooms.
The next step for scientists
Although this development is already impressive, the MIT researchers are far from finished with their work. Grace Yang, one of the main authors of the study, assures that ““This is just the beginning.”highlighting the potential to further improve the capabilities of the fabric.
The team plans to explore how the fabric can block multiple sound frequenciesa key feature to ensure its effectiveness in more complex environments. In addition, they are studying how to vary the architecture of the material, modifying aspects such as the orientation of the piezoelectric fibers or the applied voltage.
Another objective of the project is expand the range of materials used. Although silk has proven to be especially effective, other fabrics such as canvas could have specific applications depending on the sound frequencies to be blocked. This diversified approach opens up new possibilities in the design of acoustic solutions.
The commercial impact is also high on the scientists’ agenda. With a global market seeking more efficient technologies to control noise, inventors believe the fabric could generate millionaire income in sectors such as construction, interior design and the automotive industry.
Ultimately, the team hopes that their work will inspire other researchers and innovators to rethink how we control sound and vibrations. “We want people to see the potential of suppressing noise at its roots, not just mitigating it,” Yang concludes.
Source: Ambito
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