Sound Bounce: Powered By the Sound You Want to Block Out
Designed by Restored Hearing, this patented material provides significantly improved noise cancellation compared to conventional materials. Over 800% more absorbent than standard foam, Sound Bounce reacts and adjusts properties based on the level of noise. It uses a thixotropic material which changes viscosity and becomes more liquid in response to higher noise levels. By channeling the energy of the sound, the louder the noise the better the insulation will be. When exposed to low levels of sound, the material lets in desirable sounds. If a sudden loud blast occurs, the material reacts instinctively to block out these dangerous levels.
Thus, when such a material is employed in noise protection headphones/earmuffs, the level of attenuation of sound will increase as the intensity of the sound increases, thereby allowing a user to hear low-intensity sounds such as conversation through the headphones (when the material is at or close to a resting viscosity), while attenuating high-intensity sounds. Typically, the sound-absorbing material consists essentially of a thixotropic material, especially a thixotropic liquid or gel. Sound Bounce is effective, lightweight, adaptable, durable, responsive, and inexpensive. Originally developed to help reduce hearing loss caused by noise damage, it can also be used in soundproofing, audio headphones, and earplugs.
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