{"id":1851,"date":"2026-04-19T13:16:19","date_gmt":"2026-04-19T13:16:19","guid":{"rendered":"https:\/\/www.mdw.ac.at\/audio-ghosts\/?page_id=1851"},"modified":"2026-04-21T12:51:52","modified_gmt":"2026-04-21T12:51:52","slug":"klaus-filip","status":"publish","type":"page","link":"https:\/\/www.mdw.ac.at\/audio-ghosts\/klaus-filip\/","title":{"rendered":"KLAUS FILIP:\u00a0Verfranssungen"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"1851\" class=\"elementor elementor-1851\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7958b30 e-flex e-con-boxed e-con e-parent\" data-id=\"7958b30\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-fc9564c e-con-full e-flex e-con e-child\" data-id=\"fc9564c\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5d00588 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"5d00588\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>GUEST ARTIST 7<\/strong><br \/><strong>Klaus Filip: <em>Verfranssungen<\/em> &#8211; sound installation<\/strong><br \/>Friday, April 24, 2026, 18:00 @ SP\u2022CE, 19:00-22:00 (opening &amp; artist talk)<br \/>Further opening hours: April 25 to 28, 2026, 18:00-21:00<\/p><p>SP\u2022CE Listening Gallery <br \/>[Billrothstra\u00dfe 6\/2, 1190 Vienna]<\/p><p>Part of the <a href=\"https:\/\/www.mdw.ac.at\/audio-ghosts\/guest-artists\/\">AUDIO GHOSTS Guest Artists<\/a> Series.\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-86c2dcd e-flex e-con-boxed e-con e-parent\" data-id=\"86c2dcd\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5863446 elementor-widget-divider--separator-type-pattern elementor-widget-divider--no-spacing elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"5863446\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\" style=\"--divider-pattern-url: url(&quot;data:image\/svg+xml,%3Csvg xmlns=&#039;http:\/\/www.w3.org\/2000\/svg&#039; preserveAspectRatio=&#039;xMidYMid meet&#039; overflow=&#039;visible&#039; height=&#039;100%&#039; viewBox=&#039;0 0 126 26&#039; fill=&#039;black&#039; stroke=&#039;none&#039;%3E%3Cpath d=&#039;M3,10.2c2.6,0,2.6,2,2.6,3.2S4.4,16.5,3,16.5s-3-1.4-3-3.2S0.4,10.2,3,10.2z M18.8,10.2c1.7,0,3.2,1.4,3.2,3.2s-1.4,3.2-3.2,3.2c-1.7,0-3.2-1.4-3.2-3.2S17,10.2,18.8,10.2z M34.6,10.2c1.5,0,2.6,1.4,2.6,3.2s-0.5,3.2-1.9,3.2c-1.5,0-3.4-1.4-3.4-3.2S33.1,10.2,34.6,10.2z M50.5,10.2c1.7,0,3.2,1.4,3.2,3.2s-1.4,3.2-3.2,3.2c-1.7,0-3.3-0.9-3.3-2.6S48.7,10.2,50.5,10.2z M66.2,10.2c1.5,0,3.4,1.4,3.4,3.2s-1.9,3.2-3.4,3.2c-1.5,0-2.6-0.4-2.6-2.1S64.8,10.2,66.2,10.2z M82.2,10.2c1.7,0.8,2.6,1.4,2.6,3.2s-0.1,3.2-1.6,3.2c-1.5,0-3.7-1.4-3.7-3.2S80.5,9.4,82.2,10.2zM98.6,10.2c1.5,0,2.6,0.4,2.6,2.1s-1.2,4.2-2.6,4.2c-1.5,0-3.7-0.4-3.7-2.1S97.1,10.2,98.6,10.2z M113.4,10.2c1.2,0,2.2,0.9,2.2,3.2s-0.1,3.2-1.3,3.2s-3.1-1.4-3.1-3.2S112.2,10.2,113.4,10.2z&#039;\/%3E%3C\/svg%3E&quot;);\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-986c4c1 e-flex e-con-boxed e-con e-parent\" data-id=\"986c4c1\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-0205834 e-con-full e-flex e-con e-child\" data-id=\"0205834\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c6deb1f elementor-widget elementor-widget-text-editor\" data-id=\"c6deb1f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>GUEST ARTIST 7<\/strong><\/p><p><strong>Klaus Filip:<\/strong><em> Verfranssungen <\/em>\u2013 sound installation<\/p><p>Since many years, the focus of my work are sinewaves. I like their attractive sound which is transmitted directly to a single fiber of our auditory nerve. Their interaction and interplay with acoustic instruments and ambient sounds is mesmerizing &#8211; a single sinewave can creep into the sound spectrum of an instrument, thus changing the perception without being audible itself. As can be heard, for example, in the duo with the exceptional clarinet player Kai Fagaschinski. Another aspect is exploring the limits of perception &#8211; when does a sinewave appear in our auditory cortex, &#8211; when does the perception disappear, even though the sound is still physically present, &#8211; when do we perceive a change in pitch, and is this change real or just a change in volume. The piece &#8220;verfranssungen&#8221; is named after the little-known Franssen effect. The Franssen effect is normally demonstrated with a pure sinewave moving from one speaker to another without our brain noticing that. For this auditory illusion to work, the speakers need to be set up in a specific way in a room with significant reverberation. We will hear if that&#8217;s possible in the specific case of the listening gallery &#8216;SP\u00b7CE&#8217; with 4 speakers. However, other ghosts will be there to explore.<\/p><p>[klaus filip, 2026]<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5e31ef0 e-flex e-con-boxed e-con e-parent\" data-id=\"5e31ef0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dca8547 elementor-widget-divider--separator-type-pattern elementor-widget-divider--no-spacing elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"dca8547\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\" style=\"--divider-pattern-url: url(&quot;data:image\/svg+xml,%3Csvg xmlns=&#039;http:\/\/www.w3.org\/2000\/svg&#039; preserveAspectRatio=&#039;xMidYMid meet&#039; overflow=&#039;visible&#039; height=&#039;100%&#039; viewBox=&#039;0 0 126 26&#039; fill=&#039;black&#039; stroke=&#039;none&#039;%3E%3Cpath d=&#039;M3,10.2c2.6,0,2.6,2,2.6,3.2S4.4,16.5,3,16.5s-3-1.4-3-3.2S0.4,10.2,3,10.2z M18.8,10.2c1.7,0,3.2,1.4,3.2,3.2s-1.4,3.2-3.2,3.2c-1.7,0-3.2-1.4-3.2-3.2S17,10.2,18.8,10.2z M34.6,10.2c1.5,0,2.6,1.4,2.6,3.2s-0.5,3.2-1.9,3.2c-1.5,0-3.4-1.4-3.4-3.2S33.1,10.2,34.6,10.2z M50.5,10.2c1.7,0,3.2,1.4,3.2,3.2s-1.4,3.2-3.2,3.2c-1.7,0-3.3-0.9-3.3-2.6S48.7,10.2,50.5,10.2z M66.2,10.2c1.5,0,3.4,1.4,3.4,3.2s-1.9,3.2-3.4,3.2c-1.5,0-2.6-0.4-2.6-2.1S64.8,10.2,66.2,10.2z M82.2,10.2c1.7,0.8,2.6,1.4,2.6,3.2s-0.1,3.2-1.6,3.2c-1.5,0-3.7-1.4-3.7-3.2S80.5,9.4,82.2,10.2zM98.6,10.2c1.5,0,2.6,0.4,2.6,2.1s-1.2,4.2-2.6,4.2c-1.5,0-3.7-0.4-3.7-2.1S97.1,10.2,98.6,10.2z M113.4,10.2c1.2,0,2.2,0.9,2.2,3.2s-0.1,3.2-1.3,3.2s-3.1-1.4-3.1-3.2S112.2,10.2,113.4,10.2z&#039;\/%3E%3C\/svg%3E&quot;);\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-891ede0 e-flex e-con-boxed e-con e-parent\" data-id=\"891ede0\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-bb174f5 e-con-full e-flex e-con e-child\" data-id=\"bb174f5\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-72766c8 elementor-widget elementor-widget-text-editor\" data-id=\"72766c8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignright wp-image-1842\" title=\"[Klaus Filip; Foto: Johanna Forster]\" src=\"https:\/\/www.mdw.ac.at\/audio-ghosts\/wp-content\/uploads\/2026\/03\/filip_foto-johanna-forster_w-800x1024.jpg\" alt=\"\" width=\"280\" height=\"358\" srcset=\"https:\/\/www.mdw.ac.at\/audio-ghosts\/wp-content\/uploads\/2026\/03\/filip_foto-johanna-forster_w-800x1024.jpg 800w, https:\/\/www.mdw.ac.at\/audio-ghosts\/wp-content\/uploads\/2026\/03\/filip_foto-johanna-forster_w-235x300.jpg 235w, https:\/\/www.mdw.ac.at\/audio-ghosts\/wp-content\/uploads\/2026\/03\/filip_foto-johanna-forster_w-768x983.jpg 768w, https:\/\/www.mdw.ac.at\/audio-ghosts\/wp-content\/uploads\/2026\/03\/filip_foto-johanna-forster_w-805x1030.jpg 805w, https:\/\/www.mdw.ac.at\/audio-ghosts\/wp-content\/uploads\/2026\/03\/filip_foto-johanna-forster_w.jpg 938w\" sizes=\"(max-width: 280px) 100vw, 280px\" \/><\/p><p><strong>klaus filip <\/strong><\/p><p>is a musician, soundartist and programer. his main concern is with sinewaves, their appearance in time and at the threshold of perception, as well as their entanglement with acoustic instruments. as a soundartist he is researching the interplay between sound and light. his software project ppooll is still in use by improvising musicians all over the world. he studied electroacoustics and musicology a long time ago, taught at a university in vienna and was co-curating the reheat festival. he dedicated 3 years of his live to symposion lindabrunn, developing an art and festival space. and quoting kai fagaschinski: his preference are long-term collaborations at eye level \u2013 no leaders, no sidemen, no assholes.<\/p><p><a href=\"https:\/\/filipino.klingt.org\" target=\"_blank\" rel=\"noopener\">https:\/\/filipino.klingt.org<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e715da5 e-flex e-con-boxed e-con e-parent\" data-id=\"e715da5\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-bc6dfab elementor-widget-divider--separator-type-pattern elementor-widget-divider--no-spacing elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"bc6dfab\" data-element_type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\" style=\"--divider-pattern-url: url(&quot;data:image\/svg+xml,%3Csvg xmlns=&#039;http:\/\/www.w3.org\/2000\/svg&#039; preserveAspectRatio=&#039;xMidYMid meet&#039; overflow=&#039;visible&#039; height=&#039;100%&#039; viewBox=&#039;0 0 126 26&#039; fill=&#039;black&#039; stroke=&#039;none&#039;%3E%3Cpath d=&#039;M3,10.2c2.6,0,2.6,2,2.6,3.2S4.4,16.5,3,16.5s-3-1.4-3-3.2S0.4,10.2,3,10.2z M18.8,10.2c1.7,0,3.2,1.4,3.2,3.2s-1.4,3.2-3.2,3.2c-1.7,0-3.2-1.4-3.2-3.2S17,10.2,18.8,10.2z M34.6,10.2c1.5,0,2.6,1.4,2.6,3.2s-0.5,3.2-1.9,3.2c-1.5,0-3.4-1.4-3.4-3.2S33.1,10.2,34.6,10.2z M50.5,10.2c1.7,0,3.2,1.4,3.2,3.2s-1.4,3.2-3.2,3.2c-1.7,0-3.3-0.9-3.3-2.6S48.7,10.2,50.5,10.2z M66.2,10.2c1.5,0,3.4,1.4,3.4,3.2s-1.9,3.2-3.4,3.2c-1.5,0-2.6-0.4-2.6-2.1S64.8,10.2,66.2,10.2z M82.2,10.2c1.7,0.8,2.6,1.4,2.6,3.2s-0.1,3.2-1.6,3.2c-1.5,0-3.7-1.4-3.7-3.2S80.5,9.4,82.2,10.2zM98.6,10.2c1.5,0,2.6,0.4,2.6,2.1s-1.2,4.2-2.6,4.2c-1.5,0-3.7-0.4-3.7-2.1S97.1,10.2,98.6,10.2z M113.4,10.2c1.2,0,2.2,0.9,2.2,3.2s-0.1,3.2-1.3,3.2s-3.1-1.4-3.1-3.2S112.2,10.2,113.4,10.2z&#039;\/%3E%3C\/svg%3E&quot;);\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-16132e8 e-flex e-con-boxed e-con e-parent\" data-id=\"16132e8\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-e31e294 e-con-full e-flex e-con e-child\" data-id=\"e31e294\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9f11d34 elementor-widget elementor-widget-text-editor\" data-id=\"9f11d34\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"text-decoration: underline;\">Verfranssungen @ International Noise Awareness Day 2026, April 29, 2026, 3-7 pm<\/span><\/p><p>klaus filip\u2019s work <em>Verfranssungen<\/em> will also be featured at the International Noise Awareness Day (Tag gegen L\u00e4rm), organized by the Acoustics Research Institute (ARI), an interdisciplinary research institution of the Austrian Academy of Sciences.<\/p><p>Address: Georg-Coch-Platz 2 (3. Stock), 1010 Vienna | Further details can be found <a href=\"https:\/\/www.oeaw.ac.at\/isf\/aktuelles\/veranstaltungen\/tag-gegen-laerm-2026\" target=\"_blank\" rel=\"noopener\">here<\/a>.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>GUEST ARTIST 7Klaus Filip: Verfranssungen &#8211; sound installationFriday, April 24, 2026, 18:00 @ SP\u2022CE, 19:00-22:00 (opening &amp; artist talk)Further opening hours: April 25 to 28, &hellip;<\/p>\n","protected":false},"author":1,"featured_media":369,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_price":"","_stock":"","_tribe_ticket_header":"","_tribe_default_ticket_provider":"","_tribe_ticket_capacity":"0","_ticket_start_date":"","_ticket_end_date":"","_tribe_ticket_show_description":"","_tribe_ticket_show_not_going":false,"_tribe_ticket_use_global_stock":"","_tribe_ticket_global_stock_level":"","_global_stock_mode":"","_global_stock_cap":"","_tribe_rsvp_for_event":"","_tribe_ticket_going_count":"","_tribe_ticket_not_going_count":"","_tribe_tickets_list":"[]","_tribe_ticket_has_attendee_info_fields":false,"footnotes":"","_tec_slr_enabled":"","_tec_slr_layout":""},"class_list":["post-1851","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>KLAUS FILIP:\u00a0Verfranssungen - AUDIO GHOSTS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mdw.ac.at\/audio-ghosts\/klaus-filip\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"KLAUS FILIP:\u00a0Verfranssungen - AUDIO GHOSTS\" \/>\n<meta property=\"og:description\" content=\"GUEST ARTIST 7Klaus Filip: Verfranssungen &#8211; 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