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Noise protection and control play a major role in both professional and private environments. Airborne sound measurements help identify acoustic paths as a means of noise reduction as standard testing method. The underlying sound generation is typically achieved by using omnidirectional sound sources ...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_1945e40970.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_1945e40970.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_384f5ee757.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_384f5ee757.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/robovib-ntek.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/robovib-ntek.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_883f2537f7.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_883f2537f7.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/5\/5\/csm_robovib-ntek_1945e40970.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/jp\/analyzing-operational-deflection-shapes-on-loudspeakers","origUid":6845,"readingTime":"4 min","subline":"Loudspeakers for noise protection","tags":[{"title":"Automotive & aerospace","uid":3},{"title":"Acoustics & ultrasonics","uid":2},{"title":"Civil & structural engineering","uid":7},{"title":"Materials research & NDT","uid":9}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"Analyzing operational deflection shapes on loudspeakers","uid":6852,"visits":47},{"authors":[],"datetime":null,"description":"

Surface acoustic wave (SAW)-based acoustofluidics combines microfluidics with active microacoustic fields. This allows to realize numerous Lab-on-a-Chip operations, reaching from fluid manipulation including mixing, droplet and aerosol generation to the manipulation of cells and (bio-)particles.<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_blood-cell-sorting_53fee87577.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_blood-cell-sorting_53fee87577.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_blood-cell-sorting_410638478d.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_blood-cell-sorting_410638478d.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/blood-cell-sorting.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/blood-cell-sorting.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_blood-cell-sorting_40f8af8b07.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_blood-cell-sorting_40f8af8b07.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/f\/1\/csm_blood-cell-sorting_53fee87577.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/jp\/manipulation-of-complex-fluids-with-saw-based-acoustofluidics","origUid":6758,"readingTime":"3 min","subline":"Sample preparation for biomedicine","tags":[{"title":"Micro & nanotechnology","uid":10},{"title":"Acoustics & ultrasonics","uid":2},{"title":"Biology & medical","uid":4},{"title":"General R&D","uid":6}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"Manipulation of complex fluids with SAW-based acoustofluidics","uid":6767,"visits":43},{"authors":[],"datetime":null,"description":"

Acoustofluidics is the active manipulation of fluids as well as of immersed particles or cells at the micro- and nanoscale and is a key technology for life sciences. Acoustic waves, more precisely, ultrasonic waves featuring high frequencies far beyond the audible range, are predestined for this purpose...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_surface-acoustic-wave-devices_7c48b4dcc1.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_surface-acoustic-wave-devices_7c48b4dcc1.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_surface-acoustic-wave-devices_a5a8957241.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_surface-acoustic-wave-devices_a5a8957241.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_surface-acoustic-wave-devices_e02974d77b.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_surface-acoustic-wave-devices_e02974d77b.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_surface-acoustic-wave-devices_caf392babf.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_surface-acoustic-wave-devices_caf392babf.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/7\/csm_surface-acoustic-wave-devices_7c48b4dcc1.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/jp\/selective-polarization-conversion-of-surface-acoustic-waves","origUid":6724,"readingTime":"5 min","subline":"Selective polarization conversion of surface acoustic waves","tags":[{"title":"Micro & nanotechnology","uid":10},{"title":"Acoustics & ultrasonics","uid":2},{"title":"General R&D","uid":6}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"A new driving mechanism for acoustofluidics*","uid":6731,"visits":103},{"authors":[],"datetime":null,"description":"

The smartphone has shown that buttons can be replaced without sacrificing comfort. The freely configurable display with gesture control has made it even easier to switch between applications. Hap2U drives this revolution in human machine interfacing forward. 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