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- Absorption_(acoustics) abstract "Acoustic absorption refers to the process by which a material, structure, or object takes in sound energy when sound waves are encountered, as opposed to reflecting the energy. Part of the absorbed energy is transformed into heat and part is transmitted through the absorbing body. The energy transformed into heat is said to have been 'lost'.When sound from a loudspeaker collides with the walls of a room part of the sound's energy is reflected and part is absorbed into the walls. As the waves travel through the wall they deform the material thereof (just like they deformed the air before). This deformation has mechanical losses which convert part of the sound energy into heat through acoustic attenuation, mostly due to the wall's viscosity. The same attenuating mechanics apply for the air and any other medium through which sound travels.The fraction of sound absorbed is governed by the acoustic impedances of both media and is a function of frequency and the incident angle. Size and shape can influence the sound wave's behavior if they interact with its wavelength, giving rise to wave phenomena such as standing waves and diffraction.Acoustic absorption is of particular interest in soundproofing. Soundproofing aims to absorb as much sound energy (often in particular frequencies) as possible converting it into heat or transmitting it away from a certain location.In general, soft, pliable, or porous materials (like cloths) serve as good acoustic insulators - absorbing most sound, whereas dense, hard, impenetrable materials (such as metals) reflect most.How well a room absorbs sound is quantified by the effective absorption area of the walls, also named total absorption area. This is calculated using its dimensions and the absorption coefficients of the walls. The total absorption is expressed in Sabins and is useful in, for instance, determining the reverberation time of auditoria. Absorption coefficients can be measured using a reverberation room, which is the opposite of an anechoic chamber (see below).".
- Absorption_(acoustics) thumbnail Anechoic_chamber.jpg?width=300.
- Absorption_(acoustics) wikiPageExternalLink coeficientes-de-absorcao-sonora-sound-absorption-coefficients.
- Absorption_(acoustics) wikiPageID "2951506".
- Absorption_(acoustics) wikiPageLength "8258".
- Absorption_(acoustics) wikiPageOutDegree "52".
- Absorption_(acoustics) wikiPageRevisionID "663212231".
- Absorption_(acoustics) wikiPageWikiLink Acoustic_attenuation.
- Absorption_(acoustics) wikiPageWikiLink Acoustic_impedance.
- Absorption_(acoustics) wikiPageWikiLink Acoustic_transmission_line.
- Absorption_(acoustics) wikiPageWikiLink Acoustic_transmission_lines.
- Absorption_(acoustics) wikiPageWikiLink Acoustic_wave.
- Absorption_(acoustics) wikiPageWikiLink Acoustics.
- Absorption_(acoustics) wikiPageWikiLink Adiabatic.
- Absorption_(acoustics) wikiPageWikiLink Adiabatic_process.
- Absorption_(acoustics) wikiPageWikiLink Anechoic_chamber.
- Absorption_(acoustics) wikiPageWikiLink Architectural_acoustics.
- Absorption_(acoustics) wikiPageWikiLink Attenuation_coefficient.
- Absorption_(acoustics) wikiPageWikiLink Auditorium.
- Absorption_(acoustics) wikiPageWikiLink Bulk_modulus.
- Absorption_(acoustics) wikiPageWikiLink Capacitor.
- Absorption_(acoustics) wikiPageWikiLink Category:Acoustics.
- Absorption_(acoustics) wikiPageWikiLink Compression_(physical).
- Absorption_(acoustics) wikiPageWikiLink Compression_(physics).
- Absorption_(acoustics) wikiPageWikiLink Dashpot.
- Absorption_(acoustics) wikiPageWikiLink Diffraction.
- Absorption_(acoustics) wikiPageWikiLink Dissipation.
- Absorption_(acoustics) wikiPageWikiLink Echo.
- Absorption_(acoustics) wikiPageWikiLink Echo_(phenomenon).
- Absorption_(acoustics) wikiPageWikiLink Heat.
- Absorption_(acoustics) wikiPageWikiLink Hysteresis.
- Absorption_(acoustics) wikiPageWikiLink Impedance_matching.
- Absorption_(acoustics) wikiPageWikiLink Inductor.
- Absorption_(acoustics) wikiPageWikiLink Loudspeaker.
- Absorption_(acoustics) wikiPageWikiLink Noise_Barrier.
- Absorption_(acoustics) wikiPageWikiLink Noise_barrier.
- Absorption_(acoustics) wikiPageWikiLink Rarefaction.
- Absorption_(acoustics) wikiPageWikiLink Reflection_(physics).
- Absorption_(acoustics) wikiPageWikiLink Resistor.
- Absorption_(acoustics) wikiPageWikiLink Reverberation.
- Absorption_(acoustics) wikiPageWikiLink Reverberation_room.
- Absorption_(acoustics) wikiPageWikiLink Room_acoustics.
- Absorption_(acoustics) wikiPageWikiLink Sabin_(unit).
- Absorption_(acoustics) wikiPageWikiLink Sonar.
- Absorption_(acoustics) wikiPageWikiLink Sound.
- Absorption_(acoustics) wikiPageWikiLink Sound_energy.
- Absorption_(acoustics) wikiPageWikiLink Sound_pressure.
- Absorption_(acoustics) wikiPageWikiLink Sound_pressure_level.
- Absorption_(acoustics) wikiPageWikiLink Sound_recording_and_reproduction.
- Absorption_(acoustics) wikiPageWikiLink Soundproofing.
- Absorption_(acoustics) wikiPageWikiLink Spring_(device).
- Absorption_(acoustics) wikiPageWikiLink Standing_wave.
- Absorption_(acoustics) wikiPageWikiLink Transmission_medium.
- Absorption_(acoustics) wikiPageWikiLink Viscosity.
- Absorption_(acoustics) wikiPageWikiLink Wave.
- Absorption_(acoustics) wikiPageWikiLink File:Anechoic_chamber.jpg.
- Absorption_(acoustics) wikiPageWikiLinkText "Absorption (acoustics)".
- Absorption_(acoustics) wikiPageWikiLinkText "Acoustic absorption".
- Absorption_(acoustics) wikiPageWikiLinkText "Acoustical absorption".
- Absorption_(acoustics) wikiPageWikiLinkText "absorb".
- Absorption_(acoustics) wikiPageWikiLinkText "absorbing".
- Absorption_(acoustics) wikiPageWikiLinkText "absorbs sound".
- Absorption_(acoustics) wikiPageWikiLinkText "absorption".
- Absorption_(acoustics) wikiPageWikiLinkText "acoustic absorption".
- Absorption_(acoustics) wikiPageWikiLinkText "air-absorption".
- Absorption_(acoustics) wikiPageWikiLinkText "damped".
- Absorption_(acoustics) wikiPageWikiLinkText "sound absorption".
- Absorption_(acoustics) wikiPageWikiLinkText "sound-absorbing".
- Absorption_(acoustics) hasPhotoCollection Absorption_(acoustics).
- Absorption_(acoustics) wikiPageUsesTemplate Template:Reflist.
- Absorption_(acoustics) subject Category:Acoustics.
- Absorption_(acoustics) comment "Acoustic absorption refers to the process by which a material, structure, or object takes in sound energy when sound waves are encountered, as opposed to reflecting the energy. Part of the absorbed energy is transformed into heat and part is transmitted through the absorbing body. The energy transformed into heat is said to have been 'lost'.When sound from a loudspeaker collides with the walls of a room part of the sound's energy is reflected and part is absorbed into the walls.".
- Absorption_(acoustics) label "Absorption (acoustics)".
- Absorption_(acoustics) sameAs Absorció_(so).
- Absorption_(acoustics) sameAs Lydabsorption.
- Absorption_(acoustics) sameAs Schallabsorption.
- Absorption_(acoustics) sameAs Absorción_(sonido).
- Absorption_(acoustics) sameAs Absorción_(son).
- Absorption_(acoustics) sameAs Geluidsabsorptie.
- Absorption_(acoustics) sameAs Akustisk_refleksjon,_absorpsjon_og_transmisjon.
- Absorption_(acoustics) sameAs Pochłanianie_(akustyka).
- Absorption_(acoustics) sameAs Absorção_acústica.
- Absorption_(acoustics) sameAs m.08fqj2.
- Absorption_(acoustics) sameAs Ljudabsorption.
- Absorption_(acoustics) sameAs Q1758948.
- Absorption_(acoustics) sameAs Q1758948.
- Absorption_(acoustics) wasDerivedFrom Absorption_(acoustics)?oldid=663212231.
- Absorption_(acoustics) depiction Anechoic_chamber.jpg.
- Absorption_(acoustics) isPrimaryTopicOf Absorption_(acoustics).