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Results 1 - 10 from 31 for weighted sound in 0.313 sec.
Noise: Occupational: Heaing Protection Selection
A-weighted sound pressure levels (see below) There are three methods of calculating the degree of protection; for ... preferred method in the absence of an octave-band spectrum. Two simple measurements of the sound pressure level are combined to produce three figures. The procedure is as follows Measure ...
noisenet.org
Noise Free America - Model Ordinances: Anchorage, Alaska
A-weighted sound level (Leq) means the constant sound level that in a given situation and time period conveys the same sound energy as the actual time-varying A-weighted sound. Gross ... The description of sound may include any characteristic of such sound, including duration, intensity and frequency. Sound level means the weighted sound pressure level obtained by the use of a sound level meter ...
noisefree.org
Noise Free America - Model Ordinances: Boston, Massachusetts
A-weighted sound level in decibels, as measured by a general purpose sound level meter complying with the provisions of the American National Standard Institute, "Specifications far Sound Level ... the A-weighted sound level in decibels, as measured by a general purpose sound level meter complying with the provisions of the American National Standards Institute, "Specifications for Sound Level ...
noisefree.org
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NPC Law Library: Code of Federal Regulations 40 CFR 202
B(A) means the standard abbreviation for A-weighted sound level in decibels. (f) Exhaust system means ... for Sound Level Meters S1.4-1971. This publication is available from the American National Standards Institute, Inc., 1430 Broadway, New York, New York 10018. Sound level is the frequency- weighted sound ...
nonoise.org
NPC Law Library: Code of Federal Regualtions 40 CFR 211
Unprotected ear ``C''-weighted level (dB)..................................... 99.8 100 100 100 99.8 ....... 99.2 ........ 97.0 (The seven logarithmically added ``C''- weighted sound pressure levels of Step ... ear ``A'' weighted levels (dB)............... 70.3 76.0 81.4 80.4 66.8 ....... 62.7 ........ 73.0 (The seven logarithmically added ``A''- weighted sound pressure levels of Step ...
nonoise.org
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IPCC slides
JPEG PPT TS9 Real oil prices and the effects of Kyoto implementation JPEG PPT TS10 Strategies for climate change decisions JPEG PPT 3-8 Weighted average ...
www.grida.no
GIAA SOUNDS SOLUTIONS: Measuring Aircraft Noise
Sound is measured in decibels using a sound level meter with a filter that simulates human hearing. This filter and the human ear hear sound in the speech-important, middle frequencies better than sound ... AL) and is measured in dBA (A-weighted decibels). Sound Exposure Level (SEL) – When our sound level meter is measuring the AL, think of the sound falling on the microphone like rain. The ...
www.pcrguam.com
Literacy in the United States
(Level 3 ...
www.policyalmanac.org
Education World® : Professional Development Center : Archives : Voice of Experience
The Power of Written Praise Being roused from a sound sleep by a parent can be a rude awakening. But in one case it got ... parents too. "No grading procedure completely shields a teacher from parental criticism," writes Fischer. "Yet, weighted grading categories offer teachers the opportunity to tailor their assessment practices to the skills they ...
www.education-world.com
Sebile Baits
As it subtly moves through the water its sound chamber emits a discrete chatter. Superior balance allows for excellent ... the twin-fluid inside the lure cavity produces ultra-low frequency sound waves that the senses of predator species can detect. The ...
www.great-lakes.org
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