noise reduction requirements
1Noise mitigation — is a set of strategies to reduce noise pollution. The main areas of noise mitigation or abatement are: transportation noise control, architectural design, and occupational noise control. Roadway noise and aircraft noise are the most pervasive… …
2Noise map — A noise map is a graphic representation of the sound level distribution existing in a given region, for a defined period. Contents 1 Directive 2002/49/EC 2 Production of noise maps 3 Noise mapping using simulation tools …
3Noise-Immune Cavity-Enhanced Optical-Heterodyne Molecular Spectroscopy — (NICE OHMS) is an ultra sensitive laser based absorption technique that utilizes laser light to assess the concentration or the amount of a species in gas phase by absorption spectrometry (AS). Principles The NICE OHMS technique combines in a… …
4Noise-immune cavity-enhanced optical heterodyne molecular spectroscopy — (NICE OHMS) is an ultra sensitive laser based absorption technique that utilizes laser light to assess the concentration or the amount of a species in gas phase by absorption spectrometry (AS). Contents 1 Principles 1.1 Types of signals 1.2… …
5Roadway noise — is the collective sound energy emanating from motor vehicles. In the USA it contributes more to environmental noise exposure [Senate Public Works Committee, Noise Pollution and Abatement Act of 1972, S. Rep. No. 1160, 92nd Cong. 2nd session] than …
6Audio noise measurement — is carried out when assessing the quality of audio equipment, such as is used in recording studios, broadcast studios, and in the home (Hi Fi).Noise in general refers to unwanted sound, often loud, but in audio systems it is the low level hiss or …
7Sound Reduction Index — This article needs to be created. Key words: * Sound Reduction Index. * Difference Level * Standardized Difference Level * Normalized Difference Level. * ISO 140 * Building Regulations * Acoustics * Sound Insulation.Draft Article:References*… …
8Hearing conservation program — Hearing conservation programs are design to prevent noise induced hearing loss. A written hearing conservation program is required by the Occupational Safety and Health Administration (OSHA) “whenever employee noise exposures equal or exceed an 8 …
9JPEG — For other uses, see JPEG (disambiguation). Joint Photographic Experts Group A photo of a cat compressed with successively more lossy compression ratios from right to left Filename extension .jpg …
10Suppressor — Several firearms with detachable suppressors, from top to bottom: An Uzi, An AR 15 variant, A Heckler Koch USP Tactical, A Beretta 92FS, and a SIG Mosquito …
