{"id":930,"date":"2017-11-09T09:14:51","date_gmt":"2017-11-09T08:14:51","guid":{"rendered":"https:\/\/www.hsu-hh.de\/ant\/?page_id=930"},"modified":"2022-10-10T09:51:38","modified_gmt":"2022-10-10T07:51:38","slug":"sebastian-kraft","status":"publish","type":"page","link":"https:\/\/www.hsu-hh.de\/ant\/en\/team\/sebastian-kraft","title":{"rendered":"Dr.-Ing. Sebastian Kraft"},"content":{"rendered":"<div class=\"ansprechparter-container\">\n<div class=\"row ansprechpartner-item ansprechparter-header\">\n<div class=\"col-md-4 col-lg-3 col-xs-4 ansprechpartner-item floatright img-circle center-block\" style=\"margin-bottom: 30px\">\n<div class=\"img-responsive-wrapper\"><img decoding=\"async\" class=\"img-circle img-responsive center-block\" src=\"\/wp-content\/themes\/hsu\/img\/dummy\/dummy_ansprechpartner.png\" alt=\"\"><\/div>\n<\/div>\n<div class=\"col-md-12 col-lg-3 col-xs-12 ansprechpartner-item kontakt floatright\" style=\"margin-bottom: 30px\">\n<div class=\"row\">\n<div class=\"col-xs-12 col-sm-6 col-lg-12\">\n<div class=\"row\">\n<div class=\"col-xs-12 col-lg-4 row-text bold\">Room:<\/div>\n<div class=\"col-xs-12 col-lg-8 row-text\">2417<\/div>\n<\/div>\n<\/div>\n<div class=\"col-xs-12 col-sm-6 col-lg-12\">\n<div class=\"row\">\n<div class=\"col-xs-12 col-lg-4 row-text bold\">Phone:<\/div>\n<div class=\"col-xs-12 col-lg-8 row-text\">+49-40-6541-2659<\/div>\n<\/div>\n<\/div>\n<div class=\"col-xs-12 col-sm-6 col-lg-12\">\n<div class=\"row\">\n<div class=\"col-xs-12 col-md-12 row-text bold\">Email:<\/div>\n<div class=\"col-xs-12 col-md-12 row-text\"><a href=\"mailto:sebastian.kraft@hsu-hh.de\" rel='nofollow'>sebastian.kraft@hsu-hh.de<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"col-md-6 col-lg-3 col-xs-12 ansprechpartner-item anschrift floatright\">\n<div class=\"row-headline\">Visitor address<\/div>\n<div class=\"row-text\">Helmut-Schmidt-Universit\u00e4t<\/div>\n<div class=\"row-text\">Geb\u00e4ude H1<\/div>\n<div class=\"row-text\">Holstenhofweg 85<\/div>\n<div class=\"row-text\">22043 Hamburg<\/div>\n<\/div>\n<div class=\"col-md-6 col-lg-3 col-xs-12 ansprechpartner-item anschrift floatright\">\n<div class=\"row-headline\">Postal address<\/div>\n<div class=\"row-text\">Helmut-Schmidt-Universit\u00e4t<\/div>\n<div class=\"row-text\">Fakult\u00e4t f\u00fcr Elektrotechnik<\/div>\n<div class=\"row-text\">Allgemeine Nachrichtentechnik<\/div>\n<div class=\"row-text\">Postfach 70 08 22<\/div>\n<div class=\"row-text\">22008 Hamburg<\/div>\n<\/div>\n<\/div>\n<\/div>\n<h2><\/h2>\n<p>&nbsp;<\/p>\n<h2>Research<\/h2>\n<h3>Music analysis<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-926 alignnone\" src=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/10\/transcription.png\" alt=\"Symbolbild Transkription\" width=\"724\" height=\"200\" srcset=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/10\/transcription.png 1075w, https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/10\/transcription-300x83.png 300w, https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/10\/transcription-768x212.png 768w, https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/10\/transcription-1024x283.png 1024w\" sizes=\"auto, (max-width: 724px) 100vw, 724px\" \/><\/p>\n<ul>\n<li>Pitch detection in monophonic and polyphonic music<\/li>\n<li>Key detection, onset detection, chord classification<\/li>\n<\/ul>\n<h3>Source Separation<\/h3>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-928\" src=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/10\/upmix_blocks.png\" alt=\"Upmix Blockdiagramm\" width=\"266\" height=\"300\" srcset=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/10\/upmix_blocks.png 406w, https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/10\/upmix_blocks-266x300.png 266w\" sizes=\"auto, (max-width: 266px) 100vw, 266px\" \/><\/p>\n<h2><\/h2>\n<div>\n<ul>\n<li>Estimation of source directions in stereo recording<\/li>\n<li>Separation of ambient and primary sound components<\/li>\n<li><a href=\"https:\/\/www.hsu-hh.de\/ant\/en\/sebastian-kraft\/upmix-from-stereo-to-multi-channel-formats\/\">Upmix from stereo to surround<\/a><\/li>\n<\/ul>\n<\/div>\n<h3>BeaqleJS<\/h3>\n<p><abbr title=\"Hypertext Markup Language\">HTML<\/abbr>5\/Javascript Framework for (MUSHRA) listening tests (<a href=\"https:\/\/github.com\/HSU-ANT\/beaqlejs\" target=\"_blank\" rel=\"noopener noreferrer\">GitHub<\/a>)<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-924 size-full\" src=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/10\/beaqlejs.png\" alt=\"BeaqleJS Screenshot\" width=\"350\" height=\"323\" srcset=\"https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/10\/beaqlejs.png 350w, https:\/\/www.hsu-hh.de\/ant\/wp-content\/uploads\/sites\/699\/2017\/10\/beaqlejs-300x277.png 300w\" sizes=\"auto, (max-width: 350px) 100vw, 350px\" \/><\/p>\n<h3>Pitch-Shifting and Time-Stretching<\/h3>\n<p>Erweitertes PVSOLA<\/p>\n<h2><\/h2>\n<h2>Publications<\/h2>\n<p style=\"padding-left: 30px\">S. Kraft, U. Z\u00f6lzer: \u201eLP-BLIT: Bandlimited Impulse Train Synthesis of Lowpass-filtered Waveforms\u201c, 20th International Conference on Digital Audio Effects, 2017, Edinburgh.<\/p>\n<p style=\"padding-left: 30px\">S. Kraft, U. Z\u00f6lzer: &#8222;Automatic upmixing from 2-channel stereo to surround and 3D audio&#8220;, 29th Tonmeistertagung (TMT29), 2016, Cologne, Germany<\/p>\n<p style=\"padding-left: 30px\">S. Kraft, U. Z\u00f6lzer: &#8222;Time-domain implementation of a stereo to surround sound upmix algorithm&#8220;, 19th International Conference on Digital Audio Effects, 2016, Brno, Czech Republic.<\/p>\n<p style=\"padding-left: 30px\">S. Kraft, U. Z\u00f6lzer: &#8222;Low-complexity stereo signal decomposition and source separation for application in stereo to 3D upmixing&#8220;, 140th AES Convention, 2016, Paris, France.<\/p>\n<p style=\"padding-left: 30px\">S. Kraft, U. Z\u00f6lzer: &#8222;Stereo signal separation and upmixing by mid-side decomposition in the frequency-domain &#8222;, 18th International Conference on Digital Audio Effects, 2015, Trondheim, Norway.<\/p>\n<p style=\"padding-left: 30px\">M. Fink,&nbsp;S. Kraft, U. Z\u00f6lzer: &#8222;Downmix-compatibe conversion from mono to stereo in time- and frequency-domain &#8222;, 18th International Conference on Digital Audio Effects, 2015, Trondheim, Norway.<\/p>\n<p style=\"padding-left: 30px\">S. Kraft, U. Z\u00f6lzer: &#8222;Polyphonic Pitch Detection by Matching Spectral and Autocorrelation Peaks&#8220;, 23rd European Signal Processing Conference (EUSIPCO), &nbsp;2015, Nizza, France.<\/p>\n<p style=\"padding-left: 30px\">S. Kraft, M. Fink, und U. Z\u00f6lzer: &#8222;Low-cost and downmix-comopatible mono-to-stereo upmnix&#8220;, Poster at 28th Tonmeistertagung (TMT28), Cologne, Germany, November 20-23, 2014<\/p>\n<p style=\"padding-left: 30px\">S. Kraft, U. Z\u00f6lzer: &#8222;Polyphonic Pitch Detection by Iterative Analysis of the Autocorrelation Function &#8222;, 17th International Conference on Digital Audio Effects, &nbsp;1.-5. September 2014, Erlangen.<\/p>\n<p style=\"padding-left: 30px\">S. Kraft, U. Z\u00f6lzer: &#8222;BeaqleJS: <abbr title=\"Hypertext Markup Language\">HTML<\/abbr>5 and JavaScript based Framework for the Subjective Evaluation of Audio Quality &#8222;, Linux Audio Conference, 1.-4. Mai 2014, Karlsruhe.<\/p>\n<p style=\"padding-left: 30px\">M. Fink, S. Kraft, M. Holters, U. Z\u00f6lzer: &#8222;Load-balanced implementation of a delayless partitioned block frequency-domain adaptive filter &#8222;, 2. Workshop Audiosignal- und Sprachverarbeitung, 43. Jahrestagung der Gesellschaft f\u00fcr Informatik, &nbsp;19. September 2013, Koblenz.<\/p>\n<p style=\"padding-left: 30px\">S. Kraft, A. Lerch, U. Z\u00f6lzer: &#8222;The tonalness spectrum: feature-based estimation of tonal components &#8222;, 16th International Conference on Digital Audio Effects, &nbsp;2.-5. September 2013, Maynooth, Ireland.<\/p>\n<p style=\"padding-left: 30px\">S. Kraft, M. Holters, A. von dem Knesebeck, U. Z\u00f6lzer: &#8222;Improved PVSOLA time stretching and pitch shifting for polpyhonic audio &#8222;, 15th International Conference on Digital Audio Effects, &nbsp;17.-21. September 2012, York. (Demo)<\/p>\n<p style=\"padding-left: 30px\">A. von dem Knesebeck, S. Kraft, U. Z\u00f6lzer: \u201cRealtime system for backing vocal harmonization \u201d 14th International Conference on Digital Audio Effects, 19.-23. September 2011, Paris.<\/p>\n<p style=\"padding-left: 30px\">A. von dem Knesebeck, S. Kraft, U. Z\u00f6lzer: \u201cA system for synthesis of backing vocals by intelligent harmonization.\u201d 17th International Conference on Digital Signal Processing (DSP), 06.-08. July 2011, Corfu.<\/p>\n<h2><\/h2>\n<h2>Teaching<\/h2>\n<p style=\"padding-left: 30px\">Digital Communication Systems, exercise<\/p>\n<p style=\"padding-left: 30px\">Digitale Signalverarbeitung, laboratory exercise<\/p>\n<p style=\"padding-left: 30px\">Digitale Filter \/ Multimediasignalverarbeitung, laboratory exercise<\/p>\n<p style=\"padding-left: 30px\">Digitale Audiosignalverarbeitung, exercise<\/p>\n<h2><\/h2>\n<h2>Supervised student work<\/h2>\n<p style=\"padding-left: 30px\">J. E. Manitz: &#8222;VST-Plugin f\u00fcr r\u00e4umliche Wiedergabe \u00fcber Kopfh\u00f6rer&#8220;, Masterarbeit, 2017<\/p>\n<p style=\"padding-left: 30px\">J.-T. Reimers: &#8222;Implementation of a time domain upmixing algorithm&#8220;, Projektarbeit, 2017<\/p>\n<p style=\"padding-left: 30px\">C. Bothner: &#8222;Extraction of Ambience from Stereo Signals with an NLMS Algorithm&#8220;, Masterarbeit, 2015<\/p>\n<p style=\"padding-left: 30px\">J. Cuesta: &#8222;Post-Processing of polyphonic pitch tracks&#8220;, Masterarbeit, 2015<\/p>\n<p style=\"padding-left: 30px\">C. R\u00e4del: &#8222;Signal-Adaptive Time-Frequency Transforms&#8220;, Masterarbeit, 2015<\/p>\n<p style=\"padding-left: 30px\">C. Bothner: &#8222;Adaptive St\u00f6rger\u00e4uschunterdr\u00fcckung mit Hilfe des Least Mean Square Verfahrens&#8220;, Studienarbeit, 2015<\/p>\n<p style=\"padding-left: 30px\">M. St\u00fchmer: &#8222;St\u00f6rger\u00e4uschunterdr\u00fcckung und Center-Extraktion in Mehrkanal-Audiodaten&#8220;, Masterarbeit, 2014<\/p>\n<p style=\"padding-left: 30px\">M. St\u00fchmer: &#8222;Interaktive Quellenseparation in Stereodateien&#8220;, Studienarbeit, 2014<\/p>\n<p style=\"padding-left: 30px\">B. J. Leimert: &#8222;Entwicklung einer Methode zur Tonarterkennung unter Ber\u00fccksichtigung der Stimmfrequenz&#8220;, Masterarbeit, 2013<\/p>\n<p style=\"padding-left: 30px\">C. de Obaldia: &#8222;Vowel recognition, mapping and reconstruction for short time speech synthesis&#8220;, Masterarbeit, 2013<\/p>\n<p style=\"padding-left: 30px\">B. J. Leimert: &#8222;Optimierung einer Pitch-Detektion durch Anwendung verschiedener Verfahren im Postprocessing&#8220;, Studienarbeit, 2013<\/p>\n<p style=\"padding-left: 30px\">S. Resenski: &#8222;Konzeptionierung und Implementierung eines Tempo-Tracking Algorithmus zur temporalen Beschreibung von Musik&#8220;, Studienarbeit, 2013<\/p>\n<p style=\"padding-left: 30px\">G. Calvo Hern\u00e1ndez: &#8222;Frequency Domain Pitch Detection Algorithm based on the Harmonic Product Spectrum&#8220;, Masterarbeit, 2012<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Room: 2417 Phone: +49-40-6541-2659 Email: sebastian.kraft@hsu-hh.de Visitor address Helmut-Schmidt-Universit\u00e4t Geb\u00e4ude H1 Holstenhofweg 85 22043 Hamburg Postal address Helmut-Schmidt-Universit\u00e4t Fakult\u00e4t f\u00fcr Elektrotechnik Allgemeine Nachrichtentechnik Postfach 70 08 22 22008 Hamburg &nbsp; [&hellip;]<\/p>\n","protected":false},"author":114,"featured_media":0,"parent":550,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-930","page","type-page","status-publish","hentry","category-research"],"_links":{"self":[{"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/pages\/930","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/users\/114"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/comments?post=930"}],"version-history":[{"count":5,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/pages\/930\/revisions"}],"predecessor-version":[{"id":2194,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/pages\/930\/revisions\/2194"}],"up":[{"embeddable":true,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/pages\/550"}],"wp:attachment":[{"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/media?parent=930"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/categories?post=930"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hsu-hh.de\/ant\/wp-json\/wp\/v2\/tags?post=930"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}