face area of the sound attenuator A 0 {\displaystyle A_{0}} = Reference face area of the sound attenuator For example, if the attenuator doubles in width...
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glasses attenuate sunlight, lead attenuates X-rays, and water and air attenuate both light and sound at variable attenuation rates. Hearing protectors help...
21 KB (2,642 words) - 20:42, 8 April 2025
In acoustics, Stokes's law of sound attenuation is a formula for the attenuation of sound in a Newtonian fluid, such as water or air, due to the fluid's...
6 KB (821 words) - 01:03, 19 March 2024
In acoustics, acoustic attenuation is a measure of the energy loss of sound propagation through an acoustic transmission medium. Most media have viscosity...
14 KB (1,627 words) - 01:30, 16 September 2024
Air handler (section Sound attenuators)
The attenuator is a specialty duct accessory that typically consists of an inner perforated baffle with sound-absorptive insulation. Sound attenuators may...
17 KB (2,299 words) - 16:45, 10 March 2025
to: Stokes' law, for friction force Stokes' law (sound attenuation), describing attenuation of sound in Newtonian liquids Stokes' theorem, in integration...
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Sound Transmission Class (or STC) is an integer rating of how well a building partition attenuates airborne sound. In the US, it is widely used to rate...
30 KB (3,318 words) - 18:12, 6 October 2024
the rate at which sound is attenuated. For many media, such as air or water, attenuation due to viscosity is negligible. When sound is moving through...
37 KB (4,178 words) - 04:29, 20 May 2025
isolation Shock absorber Cushioning Damped wave Damping ratio Detuner Sound attenuator Supressor List of auto parts "muffler (noun)". dictionary.cambridge...
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Active noise control (redirect from Sound canceling)
co-located with the sound source to be attenuated. In this case, it must have the same audio power level as the source of the unwanted sound in order to cancel...
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speed of sound is the distance travelled per unit of time by a sound wave as it propagates through an elastic medium. More simply, the speed of sound is how...
53 KB (7,483 words) - 18:37, 5 May 2025
A sound effect (or audio effect) is an artificially created or enhanced sound, or sound process used to emphasize artistic or other content of films,...
29 KB (4,008 words) - 12:07, 19 February 2025
Impact insulation class (category Sound measurements)
building floor attenuates impact sounds, such as footsteps. A larger number means more attenuation. The scale, like the decibel scale for sound, is logarithmic...
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electromagnetic radiation (such as X-rays), sound, or any other beam that can be attenuated. The SI unit of mass attenuation coefficient is the square metre per...
8 KB (909 words) - 22:23, 15 April 2025
beam of light, sound, particles, or other energy or matter. A coefficient value that is large represents a beam becoming 'attenuated' as it passes through...
16 KB (2,216 words) - 21:56, 26 November 2024
A sound card (also known as an audio card) is an internal expansion card that provides input and output of audio signals to and from a computer under...
50 KB (5,750 words) - 17:36, 29 April 2025
panels, and sometimes a second finishing layer is added for greater sound attenuation. Pre-made acoustic panels are more commonly used, but acoustic plaster...
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Australian artist and healer Michael and Heidrun Muffler, architects Muffle Sound attenuator Ear muff This disambiguation page lists articles associated with the...
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Look up attenuation, attenuate, or attenuator in Wiktionary, the free dictionary. Attenuation is the gradual loss in intensity of any kind of flux through...
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Acoustic streaming (category Sound)
The attenuation coefficient is α = 2 η ω 2 / ( 3 ρ c 3 ) {\displaystyle \alpha =2\eta \omega ^{2}/(3\rho c^{3})} , following Stokes' law (sound attenuation)...
14 KB (2,474 words) - 21:45, 7 April 2025
Sound localization is a listener's ability to identify the location or origin of a detected sound in direction and distance. The sound localization mechanisms...
47 KB (6,472 words) - 11:25, 27 February 2025
Hearing protection device (section HPD noise reduction: on label (NRR, SNR, HML, SLC80), and real noise attenuation (at workplaces))
have derating values to help give the person an idea of how much sound is being attenuated while wearing the hearing protection. OSHA uses a half derating...
49 KB (5,169 words) - 23:06, 17 April 2025
Long-range acoustic device (redirect from Sound cannon)
receiver, and the transmission channel environment. The sound level diminishes or attenuates with distance. Consequently, as a general rule, higher source...
72 KB (7,802 words) - 10:14, 6 May 2025
electrical resistivity (Shubnikov–de Haas effect), specific heat, and sound attenuation and speed. It is named after Wander Johannes de Haas and his student...
10 KB (1,208 words) - 11:19, 16 April 2025
important for understanding a variety of fluid phenomena, including sound attenuation in polyatomic gases (e.g. Stokes's law), propagation of shock waves...
12 KB (1,730 words) - 13:23, 11 April 2025
Subtractive synthesis (category Sound synthesis types)
synthesis is a method of sound synthesis in which overtones of an audio signal are attenuated by a filter to alter the timbre of the sound. Subtractive synthesis...
8 KB (759 words) - 21:57, 6 March 2025
Surround sound is a technique for enriching the fidelity and depth of sound reproduction by using multiple audio channels from speakers that surround the...
57 KB (6,219 words) - 07:19, 7 February 2025
glass is also used to increase the sound insulation rating of a window, because it significantly improves sound attenuation compared to monolithic glass panes...
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Sound from ultrasound is the name given here to the generation of audible sound from modulated ultrasound without using an active receiver. This happens...
30 KB (3,853 words) - 23:52, 10 February 2025
hearing protection in place determines the amount of attenuation (REAT). Two microphones measure the sound pressure (of test signals, or noise in the workplace...
60 KB (7,177 words) - 00:41, 15 March 2025