- sound measurement
- звукометрия
Англо-русский строительный словарь. 2013.
Англо-русский строительный словарь. 2013.
sound transmission class — (STC) a rating of the ability of building materials to stop the transmission of unwanted sounds. The rating is designed so that it expresses, as best one can with a single figure, the sound transmission loss in decibels when sound passes… … Dictionary of units of measurement
Sound — This article is about audible acoustic waves. For other uses, see Sound (disambiguation). In a drum sound is produ … Wikipedia
Sound unit — A sound unit is any acoustic unit of sound measurement.*bel, B a logarithmic unit of sound pressure equal, measured a tenth of it in decibels dB.*dB, decibel a logarithmic unit of sound pressure; 20 times the logarithm of the ratio of the sound… … Wikipedia
Measurement and Signature Intelligence — Measurement and Signature Intelligence, or MASINT, refers to intelligence gathering activities that bring together disparate elements that do not fit within the definitions of the major disciplines mentioned above. As a means of collecting… … Wikipedia
Measurement and signature intelligence — (MASINT) is a branch of intelligence gathering activities. MASINT, may have aspects of intelligence analysis management, since certain aspects of MASINT, such as the analysis of electromagnetic radiation received by signals intelligence are more… … Wikipedia
Sound card — A Sound Blaster Live! Value card, a typical (circa 2000) PCI sound card. Connects to Motherboard via one of: PCI ISA USB IEEE 139 … Wikipedia
Sound power level — or acoustic power level is a logarithmic measure of the sound power in comparison to a specified reference level.The sound power level of a signal with sound power W is [ [http://hep.physics.indiana.edu/ rickv/Sound intensity.html Sound Power,… … Wikipedia
Sound transmission class — (or STC) is an integer rating of how well a building partition attenuates airborne sound. In the USA, it is widely used to rate interior partitions, ceilings/floors, doors, windows and exterior wall configurations (see ASTM International… … Wikipedia
Measurement microphone calibration — In order to take a scientific measurement with a microphone, its precise sensitivity must be known (in volts per Pascal). Since this may change over the lifetime of the device, it is necessary to regularly calibrate measurement microphones. This… … Wikipedia
Sound level meter — Type 1 Sound Level Meter (Shown: Svantek 979) Sound level meters measure sound pressure level and are commonly used in noise pollution studies for the quantification of almost any noise, but especially for industrial, environmental and aircraft… … Wikipedia
Sound 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*… … Wikipedia