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2. Kid Rock - Wikipedia

   en.wikipedia.org/wiki/Kid_Rock

   Website. kidrock .com. Robert James Ritchie (born January 17, 1971), known professionally as Kid Rock, is an American musician, singer, rapper, and songwriter. After establishing himself in the Detroit hip hop scene, he broke through into mainstream success with a rap rock sound before shifting his performance style to country rock.

3. Kevin Surace - Wikipedia

   en.wikipedia.org/wiki/Kevin_Surace

   Website. KevinSurace.com. Kevin Surace (born July 12, 1962) is an American technology innovator, producer [ 1] and entrepreneur. [ 2][ 3] He is the CTO of Appvance, creator of an Generative AI software QA platform. [ 3][ 4] He was Inc. Magazine ’s 2009 entrepreneur of the Year. [ 5] He is the inventor of QuietRock Soundproof Drywall.

4. Marc Porat - Wikipedia

   en.wikipedia.org/wiki/Marc_Porat

   Marc Porat. Marc Porat is a tech entrepreneur and angel investor. He is founder of six companies including General Magic. In the early 2000s, Porat was a member of a high-profile wave of tech executives who founded cleantech companies. [1] [2] He launched three companies in the built environment: Serious Materials, Zeta Communities, and CalStar ...

5. 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. The STC rating very roughly reflects the ...

6. Drywall - Wikipedia

   en.wikipedia.org/wiki/Drywall

   Various sized cuts of 1 ⁄ 2 in (13 mm) drywall with tools for maintenance and installation. Drywall (also called plasterboard, dry lining, [1] wallboard, sheet rock, gib board, gypsum board, buster board, turtles board, slap board, custard board, and gypsum panel) is a panel made of calcium sulfate dihydrate (), with or without additives, typically extruded between thick sheets of facer and ...

7. Noise reduction coefficient - Wikipedia

   en.wikipedia.org/wiki/Noise_reduction_coefficient

   Technical definition. The noise reduction coefficient is "a single-number rating, rounded to the nearest 0.05, of the sound absorption coefficients of a material for the four one-third octave bands at 250 Hz, 500 Hz, 1000 Hz and 2000 Hz". [ 2] The absorption coefficients of materials are commonly determined through use of standardized testing ...

8. Noise barrier - Wikipedia

   en.wikipedia.org/wiki/Noise_barrier

   A noise barrier (also called a soundwall, noise wall, sound berm, sound barrier, or acoustical barrier) is an exterior structure designed to protect inhabitants of sensitive land use areas from noise pollution. Noise barriers are the most effective method of mitigating roadway, railway, and industrial noise sources – other than cessation of ...

9. Soundproofing - Wikipedia

   en.wikipedia.org/wiki/Soundproofing

   Soundproofing can reduce the transmission of unwanted direct sound waves from the source to an involuntary listener through the use of distance and intervening objects in the sound path (see sound transmission class and sound reduction index ). Soundproofing can suppress unwanted indirect sound waves such as reflections that cause echoes and ...