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2. Acoustic panel - Wikipedia

   en.wikipedia.org/wiki/Acoustic_panel

   An acoustic board is a board made from sound absorbing materials, designed to provide sound insulation. [3] [4] Between two outer walls sound absorbing material is inserted and the wall is porous. Thus, when sound passes through an acoustic board, the intensity of sound is decreased. The loss of sound energy is balanced by producing heat energy.

3. Sounding board - Wikipedia

   en.wikipedia.org/wiki/Sounding_board

   "Wine glass" pulpit and sounding board at St. Matthew's German Evangelical Lutheran Church in Charleston, SC. A sounding board, also known as a tester and abat-voix is a structure placed above and sometimes also behind a pulpit or other speaking platform that helps to project the sound of the speaker.

4. Architectural acoustics - Wikipedia

   en.wikipedia.org/wiki/Architectural_acoustics

   Fabric can be wrapped around substrates to create what is referred to as a "pre-fabricated panel" and often provides good noise absorption if laid onto a wall. Prefabricated panels are limited to the size of the substrate ranging from 2 by 4 feet (0.61 m × 1.22 m) to 4 by 10 feet (1.2 m × 3.0 m).

5. Canite - Wikipedia

   en.wikipedia.org/wiki/Canite

   Interior wall and ceiling lining; Pin boards and bulletin boards; Office partitions; Protective covering boards; Sound insulation and reflected sound reduction; Door fillings; Stucco base; Soundproofing under floorboards; Fire lighter (when saturated with kerosene) In Australia, canite is commonly sold in 2400 x 1200 mm panels.

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Bulletin board - Wikipedia

   en.wikipedia.org/wiki/Bulletin_board

   Cork, a common bulletin board material Bulletin boards can also be made of felt. A bulletin board ( pinboard , pin board , noticeboard , or notice board in British English) is a surface intended for the posting of public messages, for example, to advertise items wanted or for sale, announce events, or provide information.