acoustical measurement system
81Mechanical engineering — Mechanical engineers design and build engines and power plants …
82Electrical characteristics of dynamic loudspeakers — A dynamic loudspeaker driver s chief electrical characteristic is its electrical impedance versus frequency. Explanation The most common driver type is an electro mechanical transducer using a voice coil rigidly connected to a diaphragm… …
83Microbarom — In acoustics, microbaroms, also known as the voice of the sea ,[1][2] are a class of atmospheric infrasonic waves generated in marine storms[3][4] by a non linear interaction of ocean surface waves with the atmosphere …
84electricity — /i lek tris i tee, ee lek /, n. 1. See electric charge. 2. See electric current. 3. the science dealing with electric charges and currents. 4. a state or feeling of excitement, anticipation, tension, etc. [1640 50; ELECTRIC + ITY] * * *… …
85Sustainable design — Sustainable urban design and innovation: Photovoltaic ombrière SUDI is an autonomous and mobile station that replenishes energy for electric vehicles using solar energy. See also: Sustainable engineering and Ecological design …
86Digital room correction — An example of the frequency magnitude of a room response before and after digital room correction. Digital room correction (or DRC) is a process in the field of acoustics where digital filters designed to ameliorate unfavorable effects of a room… …
87Shaahin Mohajeri — or Shahin mohajeri ,(in Persian شاهین مهاجری) born 26 July 1971 in Tehran, Iran is a Tombak player, Tombak Researcher and microtonal composer. He has B.A in geology from Tehran university. He began studying tombak under supervision of [http://www …
88Archaeology — For the magazine about archaeology, see Archaeology (magazine). Excavations at the site of Gran Dolina, in the Atapuerca Mountains, Spain, 2008 Archaeology, or archeology[1] (from Greek ἀρχαιολογία, archaiologia …
89Outline of robotics — See also: Index of robotics articles The following outline is provided as an overview of and topical guide to robotics: Robotics – branch of technology that deals with the design, construction, operation, structural disposition, manufacture and… …
90Pitch (music) — In musical notation, the different vertical positions of notes indicate different pitches. Pitch is an auditory perceptual property that allows the ordering of sounds on a frequency related scale.[1] Pitches are compared as higher and lower in… …
