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2. Soundproofing - Wikipedia

   en.wikipedia.org/wiki/Soundproofing

   A pair of headphones being tested inside an anechoic chamber for soundproofing. Soundproofing is any means of impeding sound propagation.There are several methods employed including increasing the distance between the source and receiver, decoupling, using noise barriers to reflect or absorb the energy of the sound waves, using damping structures such as sound baffles for absorption, or using ...

3. Active noise control - Wikipedia

   en.wikipedia.org/wiki/Active_noise_control

   Sound is captured from the microphone(s) furthest from the mouth (the noise signal(s)) and from the one closest to the mouth (the desired signal). The signals are processed to cancel the noise from the desired signal, producing improved voice sound quality. In some cases, noise can be controlled by employing active vibration control. This ...

4. Global Acoustic Insulation Market to Grow at 5.8% CAGR ...

   lite.aol.com/tech/story/0022/20241104/9266722.htm

   The automotive sector also presents a rising demand for acoustic insulation to improve in-vehicle sound quality and reduce road noise, offering new growth avenues. Key Companies & Market Share Insights: The acoustic insulation market is competitive, with key players including Rockwool International A/S, Saint-Gobain S.A., Knauf Insulation ...

5. Autoneum - Wikipedia

   en.wikipedia.org/wiki/Autoneum

   Autoneum (legal name Autoneum Holding AG) is an internationally active Swiss automotive supplier headquartered in Winterthur, Switzerland. Autoneum is one of the leading manufacturers in vehicle acoustic and thermal insulation for vehicles and supplies the majority of global automobile manufacturers. [3] [4]

6. Noise, vibration, and harshness - Wikipedia

   en.wikipedia.org/wiki/Noise,_vibration,_and...

   Specific methods for improving NVH include the use of tuned mass dampers, subframes, balancing, modifying the stiffness or mass of structures, retuning exhausts and intakes, modifying the characteristics of elastomeric isolators, adding sound deadening or absorbing materials, and using active noise control. In some circumstances, substantial ...

7. Laminated glass - Wikipedia

   en.wikipedia.org/wiki/Laminated_glass

   Laminated glass is also used to increase the sound insulation rating of a window, because it significantly improves sound attenuation compared to monolithic glass panes of the same thickness. The interlayer is typically of polyvinyl butyral (PVB), ethylene-vinyl acetate (EVA), ionoplast polymers, cast in place (CIP) liquid resin, or ...