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2. Soundproofing - Wikipedia

   en.wikipedia.org/wiki/Soundproofing

   Automotive soundproofing aims to decrease or eliminate the effects of exterior noise, primarily engine, exhaust and tire noise across a wide frequency range. A panel damping material is fitted which reduces the vibration of the vehicle's body panels when they are excited by one of the many high-energy sound sources in play when the vehicle is ...

3. 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]

4. Soundaktor - Wikipedia

   en.wikipedia.org/wiki/Soundaktor

   Soundaktor is a vehicle audio system used to simulate engine noise in the cabin of some Volkswagen automobiles. It consists of a speaker mounted on the firewall between the engine and the cabin, which adds noise to the cabin in order to replicate the driving experience of older vehicles that had lower levels of sound insulation.

5. Active sound design - Wikipedia

   en.wikipedia.org/wiki/Active_sound_design

   Active noise cancelling (ANC) is a software process that uses existing in-vehicle infotainment hardware to eliminate undesirable noise within the interior of a vehicle. This elimination technique is known as harmonic order reduction, where unwanted audio signals are identified by sensors and filtered out of the overall interior vehicle sound. [3]

6. 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 ...

7. Automotive textile - Wikipedia

   en.wikipedia.org/wiki/Automotive_textile

   The choice of type of automotive textile focuses on aspects of safety, comfort, and aesthetics. [1] These textiles have variety of applications in the automotive industry, such as interior fittings, safety features, sound insulation, and tire reinforcement. [2] [3] [4]