{"id":938,"date":"2012-07-27T08:30:59","date_gmt":"2012-07-27T08:30:59","guid":{"rendered":"https:\/\/www.akustik-forschung.de\/test\/?p=938"},"modified":"2025-07-02T10:57:21","modified_gmt":"2025-07-02T08:57:21","slug":"schallabsorption-schalldaemmung","status":"publish","type":"post","link":"https:\/\/www.akustikforschung.de\/en\/know-how\/prufverfahren-nach-norm\/schallabsorption-schalldaemmung\/","title":{"rendered":"Sound absorption and sound insulation"},"content":{"rendered":"<p><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_schallabsorptionsgrad_vorhang_hallraum_01_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-5368 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_schallabsorptionsgrad_vorhang_hallraum_01_ws-300x199.jpg\" alt=\"Measurement of sound absorption of curtain in the reverberation chamber accoring to DIN EN ISO 354\" width=\"300\" height=\"199\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_schallabsorptionsgrad_vorhang_hallraum_01_ws-300x199.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_schallabsorptionsgrad_vorhang_hallraum_01_ws-640x424.jpg 640w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_schallabsorptionsgrad_vorhang_hallraum_01_ws-440x292.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_schallabsorptionsgrad_vorhang_hallraum_01_ws.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>With respect to the measurement of acoustic material properties &#8211; especially the sound absorption and the sound insulation &#8211; the Gesellschaft f\u00fcr Akustikforschung Dresden mbH offers you a wide range of services.<\/p>\n<p>These parameters can be applied to design and to optimize the acoustic efficiency of multi-layer absorbers as well as silencers and mufflers.<\/p>\n<p><!--contentpartdivider--><\/p>\n<h4>Measurement of sound absorption coefficient, sound insulation etc.<\/h4>\n<ul>\n<li>measurement of the sound absorption coefficient, the surface impedance and the sound reflection factor of small material samples in the <a href=\"https:\/\/www.akustikforschung.de\/en\/produkte\/messgerate\/impedanzrohr-aed-1000-acoustitube\/\">impedance tube AcoustiTube<sup>\u00ae<\/sup><\/a> (Kundt`s tube) according to DIN EN ISO 10534-2, ASTM E1050 and VW Test specification PV 8223<\/li>\n<\/ul>\n<ul>\n<li>measurement of the sound insulation (transmission loss), the transmission coefficient, the complex absorber parameter (wave number \/ propagation constant, characteristic impedance) of small samples porous sound-absorbing material in the <a href=\"https:\/\/www.akustikforschung.de\/en\/produkte\/messgerate\/impedanzrohr-aed-1000-acoustitube\/\">transmission tube AcoustiTube<sup>\u00ae<\/sup><\/a> by using the Transfer-matrix method according to ASTM E2611<\/li>\n<\/ul>\n<ul>\n<li>determination of the sound absorption coefficient of large material samples in the reverberation chamber according to DIN EN ISO 354<\/li>\n<\/ul>\n<ul>\n<li>determination of the sound absorption coefficient of small material samples in the Alpha cabin in the sense of DIN EN ISO 354 as well as according to BMW Test specification PR 353.4 and PR 11737646<\/li>\n<\/ul>\n<ul>\n<li>determination of the sound absorption coefficient and the complex surface impedance in situ according to DIN ISO 13472-1 with <a href=\"https:\/\/www.akustikforschung.de\/en\/produkte\/messgerate\/schallabsorptionsmessgerat-aed-800\/\">sound absorption measuring system AcoustiAdrienne<\/a> and according to DIN ISO 13472-2 with <a href=\"https:\/\/www.akustikforschung.de\/en\/produkte\/messgerate\/impedanzrohr-aed-1000-acoustitube\/\">impedance tube AcoustiTube<sup>\u00ae<\/sup><\/a><\/li>\n<\/ul>\n<ul>\n<li>measurement of spectral sound insulation \/ transmission loss of big components in the test setup for windows according to DIN EN ISO 10140-2; rating according to DIN EN ISO 717-1<\/li>\n<\/ul>\n<ul>\n<li>measurement of spectral sound insulation \/ transmission loss of smaller components and materials in the test setup for windows with reduced dimensions in the sense of DIN EN ISO 10140-2; rating according to DIN EN ISO 717-1<\/li>\n<\/ul>\n<ul>\n<li>measurement of spectral sound insulation \/ transmission loss and insertion loss of small plate-shaped specimens in the chamber test setup on the basis of DIN EN ISO 10140-2<\/li>\n<\/ul>\n<h4>Optimization of sound absorbers and mufflers<\/h4>\n<ul>\n<li>calculation of the sound propagation (sound absorption, sound reflexion, sound insulation) above layered absorbers by applying different absorber models (e. g. homogeneous model, phenomenological model) with <a href=\"https:\/\/www.akustikforschung.de\/en\/produkte\/software\/schallabsorber-software-aed-3001-acousticalc\/\">sound absorber software AcoustiCalc<sup>\u00ae Absorber<\/sup><\/a><\/li>\n<\/ul>\n<ul>\n<li>prediction and optimization of the sound absorption in <a href=\"https:\/\/www.akustikforschung.de\/en\/leistungen\/maschinenakustik\/larmminderung\/auslegung-von-schalldampfern-2\/\">mufflers and silencers<\/a> as well as absorbent-lined ducts by both analytical models with <a href=\"https:\/\/www.akustikforschung.de\/en\/produkte\/software\/schalldampfer-software-aed-8001-acousticalc\/\">muffler software AcoustiCalc<sup>\u00ae Silencer<\/sup><\/a> and by numerical calculation (see <a href=\"https:\/\/www.akustikforschung.de\/en\/know-how\/numerische-akustik\/fem-finite-elemente-methode\/\">FEM<\/a>)<\/li>\n<\/ul>\n<p><!--contentpartdivider--><\/p>\n<div id=\"attachment_5375\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_schallabsorptionsgrad_schrankrueckwand_hallraum_02_ed3_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5375\" class=\"wp-image-5375 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_schallabsorptionsgrad_schrankrueckwand_hallraum_02_ed3_ws-300x225.jpg\" alt=\"Measurement of sound absorption of sound absorbers in the reverberation chamber - wall absorber, ceiling absorber, backward panels of cabinets, office partitions, acoustic curtains\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_schallabsorptionsgrad_schrankrueckwand_hallraum_02_ed3_ws-300x225.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_schallabsorptionsgrad_schrankrueckwand_hallraum_02_ed3_ws-640x480.jpg 640w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_schallabsorptionsgrad_schrankrueckwand_hallraum_02_ed3_ws-440x330.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_schallabsorptionsgrad_schrankrueckwand_hallraum_02_ed3_ws.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-5375\" class=\"wp-caption-text\">Determination of sound absorption coefficient of wall absorber in the reverberation chamber according to DIN EN ISO 354<\/p><\/div>\n<div id=\"attachment_5075\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/schallabsorptionsgrad_metallschwamm_ed2_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5075\" class=\"wp-image-5075 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/schallabsorptionsgrad_metallschwamm_ed2_ws-300x201.jpg\" alt=\"Measurement of spectral sound absorption coefficient of fiber absorbers and foams in the impedance tube according to DIN EN ISO 10534-2\" width=\"300\" height=\"201\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/schallabsorptionsgrad_metallschwamm_ed2_ws-300x201.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/schallabsorptionsgrad_metallschwamm_ed2_ws-640x430.jpg 640w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/schallabsorptionsgrad_metallschwamm_ed2_ws-440x295.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/schallabsorptionsgrad_metallschwamm_ed2_ws.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-5075\" class=\"wp-caption-text\">Sound absorption coefficient of materials with different cell dimension<\/p><\/div>\n<div id=\"attachment_12307\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2025\/03\/messung_schalldaemmung_material_kammerpruefstand_02_ed_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-12307\" class=\"wp-image-12307\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2025\/03\/messung_schalldaemmung_material_kammerpruefstand_02_ed_ws.jpg\" alt=\"Measurement of sound-insulating properties of plate-shaped specimens\" width=\"300\" height=\"290\" \/><\/a><p id=\"caption-attachment-12307\" class=\"wp-caption-text\">Measurement of sound insulation \/ transmission loss and insertion loss of materials and specimens in the chamber test setup<\/p><\/div>\n<p><div id=\"attachment_12427\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2025\/05\/messung_schallabsorption_laermschutzwand_insitu_moos_03_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-12427\" class=\"wp-image-12427\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2025\/05\/messung_schallabsorption_laermschutzwand_insitu_moos_03_ws.jpg\" alt=\"Measurement of sound reflexion index of a green noise barrier in situ according to DIN EN 1793-5\" width=\"300\" height=\"400\" \/><\/a><p id=\"caption-attachment-12427\" class=\"wp-caption-text\">Measurement of sound absorption of a facade greening in situ<\/p><\/div><\/p>","protected":false},"excerpt":{"rendered":"<p>With respect to the measurement of acoustic material properties &#8211; especially the sound absorption and the sound insulation &#8211; the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":5368,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[402,412,544,672,337,413,242,62,401,41,674,375,671,47,759,758,738,38,64,65,168,387],"class_list":["post-938","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-prufverfahren-nach-norm","tag-absorbervalues","tag-absorbermodell","tag-alpha-kabine","tag-bauteil","tag-din-en-iso-10534-2","tag-din-en-iso-354","tag-einfugungsdammung","tag-fensterprufstand","tag-hallraum","tag-impedanzrohr","tag-kammerpruefstand","tag-kundtsches-rohr","tag-material","tag-messung","tag-pr-11737646","tag-pr-353-4","tag-pv-8223","tag-schallabsorptionsgrad","tag-schallausbreitung","tag-schalldammung","tag-schalldampfer","tag-transmissionsrohr","has-content-parts","content-parts-5"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - 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