RMS sound pressure definition

RMS sound pressure means the square root of the time averaged square of the sound pressure, denoted Prms.
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RMS sound pressure means the square root of the timed averages square of the sound pressure.
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Examples of RMS sound pressure in a sentence

  • Lmax is the highest RMS (root mean squared) sound pressure level within the measurement period, and Lmin is the lowest RMS sound pressure level within the measurement period.The time period in which noise occurs is also important since nighttime noise tends to disturb people more than daytime noise.

  • During this period, as specified in Table 2, no surveys with RMS sound pressure levels > 180 dB re 1 uPa at 1 meter for equipment that operates between 7 Hz and 35 kHz shall occur.

  • For continuous sounds, NMFS Northwest Region has provided guidance for reporting RMS sound pressure levels.

  • Peak Noise The level corresponding to the highest (not RMS) sound pressure measured over a given period of time.

  • ProvisionsProvisi diakui jika Grup memiliki kewajiban kini (baik bersifat hukum maupun bersifat konstruktif) yang akibat peristiwa masa lalu besar kemungkinannya penyelesaian kewajiban tersebut mengakibatkan arus keluar sumber daya yang mengandung manfaat ekonomi dan estimasi yang andal mengenai jumlah kewajiban tersebut dapat dibuat.Provisi ditelaah pada setiap akhir tahun pelaporan dan disesuaikan untuk mencerminkan estimasi kini terbaik.

  • The sound power level of a source, LW, in units of decibels (dB), and is given by:LW = 10 log10 (P P0 )with P equal to the sound power level in units of power density and P0 a reference sound power (often P0 = 2 x 10-5 N/m2).The sound pressure level (SPL) of a sound, LP, in units of decibels (dB), is given by:Lp = 20 log10 (p p0 )with p equal to the effective (or root mean square, RMS) sound pressure and p0 a reference RMS sound pressure (usually 2x10-5 Pa).

  • Root Mean Square (RMS) sound pressure levels (SPLs) shall be expressed by the descriptors L(max) and Leq(h).

  • Twenty (20) times the logarithms to the base 10 of the ratio of the root mean squared (RMS) sound pressure to the reference pressure of twenty (20) micronewtons per square meter.

  • Sound Level The level of the frequency weighted and time weighted sound pressure as determined by a sound level meter.Sound pressure level Of a sound, 20 times the logarithm to the base 10 of the ratio of the RMS sound pressure level to the reference sound pressure level.

  • In addition, any salmonid within a certain distance of the source (i.e. the radius where the root mean square (RMS) sound pressure level will exceed 150 dBRMS15) will be exposed to levels that change the fish’s behavior or cause physical injury (i.e. harm).

Related to RMS sound pressure

  • Sound pressure level means twenty times the logarithm to the base 10 of the ratio of the effective pressure (µPa) of a sound to the reference pressure of 20 µPa;

  • Biodiesel means a fuel composed of mono-alkyl esters of long chain fatty acids derived from vegetable oils or animal fats, and, in accordance with standards specified by the American society for testing and materials, designated B100, and meeting the requirements of D-6751, as approved by the department of agriculture.

  • Operating pressure means the pressure at which the parts of an irrigation system are designed by the manufacturer to operate.

  • Pressure means the total load or force per unit area acting on a surface.

  • Delivery Point means the point(s) of connection(s) at which energy is delivered into the Grid System i.e. the Interconnection Point.

  • Oxides of nitrogen means the sum of the volume mixing ratio (ppbv) of nitrogen monoxide (nitric oxide) and nitrogen dioxide expressed in units of mass concentration of nitrogen dioxide (µg/m3);

  • Working pressure means the settled pressure of a compressed gas at a reference temperature of 15 °C in a full pressure receptacle;

  • API means American Petroleum Institute.