acoustic protection
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Acoustic quieting — This article primarily discusses mechanical and acoustic noise. See Noise reduction for electronic noise. : For noise masking by saturation, see Sound masking or pink noise.Acoustic quieting is the process of making machinery quieter by damping… … Wikipedia
Acoustic reflex — The acoustic reflex (stapedius reflex, attenuation reflex, or auditory reflex) is an involuntary muscle contraction that occurs in the middle ear of mammals in response to high intensity sound stimuli.When presented with a high intensity sound… … Wikipedia
Acoustic (John Lennon album) — Infobox Album | Name = Acoustic Type = Compilation album Artist = John Lennon Released = 1 November 2004 Recorded = 1969 Late 1980 Genre = Rock Length = 44:00 Label = Capitol/EMI Producer = Yoko Ono Reviews = *Allmusic rating|2.5|5… … Wikipedia
acoustic trauma — ▪ physiology physiological changes in the body caused by sound waves. Sound waves cause variations in pressure, the intensity of which depends upon the range of oscillation, the force exerting the sound, and the distribution of waves.… … Universalium
Radio acoustic sounding system — A radio acoustic sounding system (RASS) is a system for measuring the atmospheric lapse rate using backscattering of radio waves from an acoustic wave front to measure the speed of sound at various heights above the ground. This is possible… … Wikipedia
Advanced Modular Armor Protection — AMAP (Advanced Modular Armor Protection) is a composite armour concept for wheeled and tracked vehicles, developed by the company IBD Deisenroth Engineering.The modules of the AMAP family can be combined to create a protection system according to … Wikipedia
Active fire protection — (AFP) is an integral part of fire protection. AFP is characterised by items and/or systems, which require a certain amount of motion and response in order to work, contrary to passive fire protection.AFP falls into two categories1. Fire… … Wikipedia
Long range acoustic device — The long range acoustic device (LRAD) is a crowd control and hailing device developed by American Technology Corporation.According to the manufacturer s specifications, the equipment weighs 45 pounds (20 kg) and can emit sound in a 30° beam (only … Wikipedia
External acoustic meatus — Infobox Anatomy Name =External acoustic meatus Latin = meatus acusticus externus GraySubject = 229 GrayPage = 1036 Caption = Anatomy of the human ear. Caption2 = Precursor = groove (cleft) of the first branchial arch. [EmbryologyUNC|hednk|022]… … Wikipedia
Earth sheltering — is the architectural practice of using earth against building walls for external thermal mass, to reduce heat loss, and to easily maintain a steady indoor air temperature. Earth sheltering is popular in modern times among advocates of passive… … Wikipedia
Addison Sod House — Geobox Protected Area name =Addison Sod House native name = other name = other name1 = category local =National Historic Site category iucn = image size = image caption = country = Country country1 = Canada state = Province state1 = Saskatchewan… … Wikipedia
