{"id":864,"date":"2012-07-25T17:45:41","date_gmt":"2012-07-25T17:45:41","guid":{"rendered":"https:\/\/www.akustik-forschung.de\/test\/?p=864"},"modified":"2025-05-06T14:44:47","modified_gmt":"2025-05-06T12:44:47","slug":"mikrofonarray-messung-mit-akustischer-kamera","status":"publish","type":"post","link":"https:\/\/www.akustikforschung.de\/en\/leistungen\/maschinenakustik\/lokalisation\/mikrofonarray-messung-mit-akustischer-kamera\/","title":{"rendered":"Microphone array measurement with acoustic camera"},"content":{"rendered":"<p><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/afd7000_01_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-4716 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/afd7000_01_ws-300x199.jpg\" alt=\"Microphone array measurement with acousti camera\" width=\"300\" height=\"199\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/afd7000_01_ws-300x199.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/afd7000_01_ws-640x424.jpg 640w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/afd7000_01_ws-440x292.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/afd7000_01_ws.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>To analyze your acoustic problems, the Gesellschaft f\u00fcr Akustikforschung Dresden mbH applies the acoustic camera (microphone array) <a href=\"https:\/\/www.akustikforschung.de\/en\/produkte\/messgerate\/akustische-kamera-aed-7000-acousticam\/\">AcoustiCam<sup>\u00ae<\/sup><\/a> and measures on site. The system both creates acoustic mappings of your test objects and identifies important sound sources with their properties in real-time. To visualize the sound field, recordings of an optical camera can be laid underneath the acoustic mappings of your test objects.<\/p>\n<p><!--contentpartdivider--><\/p>\n<h4>Microphone array measurements with acoustic camera<\/h4>\n<p>There are a lot of applications for the localization of sound sources with the help of a microphone array. Especially in the industry, for the development of vehicles, machines and devices this method can be of great use. Examples are among other things:<\/p>\n<ul>\n<li>Localization and separation of sound sources as a requirement for noise control for\n<ul>\n<li>vehicles and their components, e.\u00a0g. engine, transmission system, exhaust system, compartment<\/li>\n<li>placement machines and production machinery, machine tools<\/li>\n<li>generators and turbines<\/li>\n<li>power tools and electrical domestic devices, e.\u00a0g. compressor, vacuum cleaner<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>Analysis of sound sources as a basis for acoustic design for\n<ul>\n<li>structures or scale-model structures in airflow in the wind tunnel, e.g. wing profile of an airplane, pantograph, side-view mirrors of cars<\/li>\n<li>complex vibrating structures, e.\u00a0g. floor section of a car<\/li>\n<li>squealing or rattling structures, e.\u00a0g. car brackets<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>Determination of characteristic properties of sound sources and their source mechanisms for\n<ul>\n<li>electroacoustic transducers, e.\u00a0g. multi-channel loudspeaker<\/li>\n<li>aerodynamically influenced objects, e.\u00a0g. antennas, roof systems<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>Acoustic search for leakages in\n<ul>\n<li>(vehicle-) doors, windows, etc.<\/li>\n<li>pipelines<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>Your advantages<\/h4>\n<p>During the development of the AcoustiCam<sup>\u00ae<\/sup>, great importance was attached to the optimization of the microphone array and the subsequent signal processing. This results in numerous advantages, for example:<\/p>\n<ul>\n<li>fast and robust measurements, at great distance as well as in close proximity to the test object due to the application of the robust beamforming algorithm<\/li>\n<\/ul>\n<ul>\n<li>separate localization and analysis of sound sources and source mechanisms<\/li>\n<\/ul>\n<ul>\n<li>localization results with high spatial resolution and great dynamic range due to optimized microphone configuration<\/li>\n<\/ul>\n<ul>\n<li>special test environment behind the microphone array usually not necessary due to the application of a so-called boundary layer array<\/li>\n<\/ul>\n<h4>Consulting<\/h4>\n<p>Besides a detailed documentation of the investigations, we provide you with our expertise to solve your acoustic problems. Furthermore, we develop solutions for the measurement with microphone arrays adjusted to your requirements.<\/p>\n<p><!--contentpartdivider--><\/p>\n<div id=\"attachment_12413\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2025\/05\/vorbeifahrt_strassenbahn_01_ed_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-12413\" class=\"wp-image-12413\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2025\/05\/vorbeifahrt_strassenbahn_01_ed_ws.jpg\" alt=\"Measurement of noise emission and localisation of primary noise sources at rail vehicles and railway tracks\" width=\"300\" height=\"225\" \/><\/a><p id=\"caption-attachment-12413\" class=\"wp-caption-text\">Acoustic investigations during passage of switches by trams<\/p><\/div>\n<div id=\"attachment_4731\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_plasmaschneiden_04_ed_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4731\" class=\"wp-image-4731 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_plasmaschneiden_04_ed_ws-300x268.jpg\" alt=\"Microphone array measurement of noise emission of machinery and devices\" width=\"300\" height=\"268\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_plasmaschneiden_04_ed_ws-300x268.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_plasmaschneiden_04_ed_ws-640x572.jpg 640w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_plasmaschneiden_04_ed_ws-440x393.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_plasmaschneiden_04_ed_ws.jpg 671w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-4731\" class=\"wp-caption-text\">Evaluation of sound emission during process of plasma cutting with microphone array (acoustic camera)<\/p><\/div>\n<div id=\"attachment_4726\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_rotorprofil_01_L0_ed2.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4726\" class=\"wp-image-4726 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_rotorprofil_01_L0_ed2-300x224.jpg\" alt=\"Measurement with microphone array for source characterization and acoustic design\" width=\"300\" height=\"224\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_rotorprofil_01_L0_ed2-300x224.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_rotorprofil_01_L0_ed2-640x479.jpg 640w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_rotorprofil_01_L0_ed2-440x329.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_rotorprofil_01_L0_ed2.jpg 757w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-4726\" class=\"wp-caption-text\">Lokalized sound sources at a helicopter`s airfoil model NACA0012 in airflow in aeroacoustic wind tunnel<\/p><\/div>\n<div id=\"attachment_4848\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_zylinder_04_ed_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4848\" class=\"wp-image-4848 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_zylinder_04_ed_ws-300x255.jpg\" alt=\"Measurements of sound pressure level with microphone array\" width=\"300\" height=\"255\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_zylinder_04_ed_ws-300x255.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_zylinder_04_ed_ws-640x544.jpg 640w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_zylinder_04_ed_ws-440x374.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_zylinder_04_ed_ws.jpg 705w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-4848\" class=\"wp-caption-text\">Sound pressure spectra of different localized source areas of a cylinder in airflow in aeroacoustic wind tunnel<\/p><\/div>\n<p><div id=\"attachment_4846\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_motorraum_01_ed2_ws1.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-4846\" class=\"wp-image-4846 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_motorraum_01_ed2_ws1-300x430.jpg\" alt=\"Measurement with acoustic camera to localize sound sources at vehicles\" width=\"300\" height=\"430\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_motorraum_01_ed2_ws1-300x430.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_motorraum_01_ed2_ws1-339x487.jpg 339w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/messung_motorraum_01_ed2_ws1.jpg 418w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-4846\" class=\"wp-caption-text\">Investigation of sound emission within an engine compartment of an automobile by means microphone array measurement<\/p><\/div><\/p>","protected":false},"excerpt":{"rendered":"<p>To analyze your acoustic problems, the Gesellschaft f\u00fcr Akustikforschung Dresden mbH applies the acoustic camera (microphone array) AcoustiCam\u00ae and measures [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4716,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[134,350,140,145,230,125,234,501,493,94,137,139,231,236,90,197,150,167,232],"class_list":["post-864","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-lokalisation","tag-acousticam","tag-akustische-kamera","tag-analyse","tag-beamforming","tag-charakterisierung","tag-fahrzeug","tag-grenzflachenarray","tag-larmminderung","tag-lokalisation","tag-maschine","tag-messsystem","tag-mikrofonarray","tag-quellanalyse","tag-quellmechanismus","tag-schallemission","tag-schallquelle","tag-signalverarbeitung","tag-turbine","tag-windkanal","has-content-parts","content-parts-5"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - 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