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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. Acoustical engineering - Wikipedia

   en.wikipedia.org/wiki/Acoustical_engineering

   Acoustical engineering (also known as acoustic engineering) is the branch of engineering dealing with sound and vibration.It includes the application of acoustics, the science of sound and vibration, in technology.

4. Sound transmission class - Wikipedia

   en.wikipedia.org/wiki/Sound_transmission_class

   Sound Transmission Class (or STC) is an integer rating of how well a building partition attenuates airborne sound. In the US, it is widely used to rate interior partitions, ceilings, floors, doors, windows and exterior wall configurations. Outside the US, the ISO Sound Reduction Index (SRI) is used.

5. Comparison of disc image software - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_disc_image...

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6. Senator says Trump cannot ignore law requiring ByteDance to ...

   www.aol.com/news/senator-says-trump-cannot...

   WASHINGTON (Reuters) -President-elect Donald Trump cannot ignore a law requiring Chinese-based ByteDance to divest its popular short video app TikTok in the U.S. by early next year or face a ban ...

7. Chinese hackers preparing for conflict, US cyber official says

   www.aol.com/news/chinese-hackers-preparing...

   (Reuters) -Chinese hackers are positioning themselves in U.S. critical infrastructure IT networks for a potential clash with the United States, a top American cybersecurity official said on Friday ...

8. Failed ATM robbers crash truck into Walgreens storefront ...

   www.aol.com/failed-atm-robbers-crash-truck...

   The attempted robbery took place just before 5 a.m. on Dec. 9, according to ABC News' Washington affiliate KOMO. It involved a flatbed truck backing into and shattering the front windows of the ...

9. Acoustic foam - Wikipedia

   en.wikipedia.org/wiki/Acoustic_foam

   Acoustic foam tiles are suited to placing on sonically reflective surfaces to act as sound absorbers, thus enhancing or changing the sound properties of a room. [ 11 ] This type of sound absorption is different from soundproofing, which is typically used to keep sound from escaping or entering a room rather than changing the properties of sound ...