• 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...
    19 KB (2,545 words) - 22:54, 25 October 2023
  • 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
  • Thumbnail for Air handler
    The attenuator is a specialty duct accessory that typically consists of an inner perforated baffle with sound-absorptive insulation. Sound attenuators may...
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  • to: Stokes' law, for friction force Stokes' law (sound attenuation), describing attenuation of sound in Newtonian liquids Stokes' theorem, in integration...
    219 bytes (57 words) - 11:40, 2 January 2020
  • 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
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    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
  • Thumbnail for Muffler
    isolation Shock absorber Cushioning Damped wave Damping ratio Detuner Sound attenuator Supressor List of auto parts "muffler (noun)". dictionary.cambridge...
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  • Thumbnail for Active noise control
    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...
    10 KB (1,335 words) - 15:57, 16 February 2025
  • Thumbnail for Speed of sound
    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...
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  • Thumbnail for Sound effect
    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,...
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  • 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...
    1 KB (147 words) - 21:37, 4 December 2021
  • Thumbnail for Mass attenuation coefficient
    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
  • Thumbnail for Sound card
    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...
    10 KB (1,247 words) - 21:27, 31 July 2023
  • 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
  • Thumbnail for Hearing protection device
    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
  • Thumbnail for Long-range acoustic device
    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
  • Thumbnail for Surround sound
    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
  • Thumbnail for Laminated glass
    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
  • Thumbnail for Earplug
    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