CURRICULUM VITAE DIRK SCHMELZER Dipl.-Ing. Im Tannengrund 18 30900 Wedemark GERMANY Phone +49-172-6860819 555 West Middlefield Road, Apt. M 304 Mountain View, CA 94043 USA Phone +1-415-832-0388 mailto:dirkschmelzer@gmx.de CAREER HISTORY 09/2005 today Senior Engineer Technology Research & Product Development K+H Vertriebs- und Entwicklungsgesellschaft mbh (Subsidiary of Sennheiser Electronic KG as of Mai 2005) Hannover/Wedemark, Germany www.klein-hummel.com, www.sennheiser.com 06/2004 08/2005 Engineer Technology Research & Product Development Nubert electronic GmbH Schwäbisch-Gmünd, Germany www.nubert.de 07/2003 05/2004 Freelance R&D Engineer & Technical Author 07/2001 06/2003 Engineer Technology Research & Product Development 01/2000 06/2000 Technical Employee: Audio Circuit Design & Measurement 07/1999 09/1999 Internship: Audio Electronics & Acoustic Design Klein+Hummel GmbH Stuttgart/Ostfildern, Germany www.klein-hummel.com 06/1998 08/1998 Internship: Mixed-Circuit Audio Electronics Lake People Elektronic GmbH Konstanz, Germany www.lake-people.de/english 09/1996 06/1999 Student Assistant: System Setup & Maintenance Surface Engineering Institute (IOT) Aachen, Germany http://www.iot.rwth-aachen.de/index.php?id=548
EDUCATION 06/2001 Academic Studies Graduation Dipl.-Ing. Elektrotechnik 07/2000 05/2001 Degree Dissertation Klein+Hummel GmbH Stuttgart/Ostfildern, Germany www.klein-hummel.com 10/1997 06/2001 Academic Studies: Telecommunication Engineering Aachen University Of Applied Sciences Aachen, Germany www.fh-aachen.de/index.php?id=1&l=1 10/1993 09/1997 Academic Studies: Electrical Engineering RWTH Aachen University Aachen, Germany www.rwth-aachen.de/go/id/bdz/ 02/1993 07/1993 Internship: Power Engineering RWE Energie www.rwe.com/generator.aspx/language=en/id=450/home.html 06/1992 Final Secondary School Examination Abitur 08/1983 05/1992 Secondary School (Highest Grade) Friedrich-Wilhelm-Gymnasium Trier www.fwg-trier.com 08/1979 07/1983 Elementary School Grundschule Trier-Mariahof Kopernikus-Schule Bonn, Germany
SKILLS AND COMPETENCIES Technologies o Analog and digital loudspeaker controlling and -management o DSP loudspeaker controllers with FIR and IIR filters, limiter o Conventional and Class-D Power Amplifiers o Room acoustics and equalization with FIR filters o Acoustical and mechanical design of loudspeaker systems Product Development o Electronic circuit design on component as well as platform level (Analog, DSP, Power Management, Microcontroller, etc.) o PCB multilayer layout, EMC-compatible design o Conceptual design and definition o User interface design (Hardware and software) o Technical and user documentation in English and German o Introduction into mass production incl. test systems Equipment & Software o Audio Precision System One/Two/27XX o Rohde & Schwarz UPL, UPD, UPV o Loudspeaker Measurement: ITA MF o PCB CAD: Cadul Ariadne EDA-System 8.5, 9.X o AutoCAD, Micro-Cap PSPICE o MS Office/Visio, Lotus Notes, etc. Miscellaneous o Project management and technology research on international level o Writing of technical articles and documentations o Giving lecturers and trainings o Facility set-up
MAJOR PROJECTS & REFERENCES 06/2007 03/2008 Electronics for Klein+Hummel Studio Subwoofers O 810 & O 870 o Electronic circuit design and overall concept o Definition and supervision of mechanical construction 02/2006 05/2007 Setup of a large-scale Studio Loudspeaker Production Plant and International Production Know-How Transfer o Project management and coordination o Definition of production floor layout and workflow o Planning and set-up of all electronic and acoustic testing equipment o Supervision of Klein+Hummel studio loudspeaker and passive loudspeaker production regarding quality and production skills 06/2004 08/2005 Nubert Loudspeaker Controller ATM and DXD (DSP Platform) o Electronic circuit design and overall concept o Mechanical design of all components o User interface concept http://www.nubert.de/webshop/pi688327558.htm?categoryid=15 02/2003 05/2004 Loudspeaker management System Klein+Hummel Pro M 1012 o Electronic circuit design and overall concept o Mechanical design of all components o User interface concept, Windows GUI software design o User software & hardware documentation http://www.klein-hummel.com/klein-hummel/icm_en.nsf/root/prof-monitoring_studio-electronic_prom1012 07/2000 07/2002 Digital Studio Monitor Klein+Hummel O 500 C and Loudspeaker Controller Pro C 28 o Parameterization of FIR filters and limiters o Circuit Optimization o User Interface Design o Documentation German and English http://www.klein-hummel.com/klein-hummel/icm_en.nsf/root/prof-monitoring_studio-monitors_main-monitors_o500c http://www.klein-hummel.com/klein-hummel/icm_en.nsf/root/installed-sound_controller_proc28 02/2003 05/2004 Studio Monitors Klein+Hummel O 300 D and O 800 o Electronic circuit design o Introduction into mass production http://www.klein-hummel.com/klein-hummel/icm_en.nsf/root/prof-monitoring_studio-monitors_nearfield-monitors_o300d
PUBLICATIONS Dissertation Paper 05/2001 Parametrierung und Hardwareoptimierung eines Digitalcontrollers für Studio- und PA-Lautsprecher (Parameterization and Hardware Optimization of a Digital Controller for Studio- and PA Loudspeakers) Magazine Articles 09/2005 Bassmanagement und Subwoofer-Ansteuerung im Surround- Studio (Bass Management and Subwoofer Control in Surround Studios) Production Partner Magazine, 09/2005, p. 90 et seqq. 04/2005 In-Ear-Monitoring bei den Donaueschinger Musiktagen (In-Ear Monitoring at the Donaueschinger Musiktage) Production Partner Magazine, 04/2005, p. 102 et seqq. 01/2005 Surround Controller im Studio (Surround Controller in Studios) Production Partner Magazine, 01/2005, p. 18 et seqq. 04/2004 Neue Konzepte für flexibel konfigurierbare Surround Monitoring Controller (New Concepts for free Configurable Surround Monitoring Controllers) VDT Magazine, 04/2004, p. 29 et seqq. 06/2003 Sound-Konzept MAYDAY 2003 in Dortmund (Sound-Concept of the MAYDAY Dance Event 2003 in Dortmund) Production Partner Magazine, 06/2003 p. 24 et seqq. 03/2002 Erfahrungen bei der Entwicklung digitaler Abhörlautsprecher (Experiences made during the Development of Digital Studio Monitors) Production Partner Magazine, 03/2002, p. 76 et seqq. www.production-partner.de www.tonmeister.de
PUBLICATIONS (cont.) Papers & Posters 11/22/2002 Konzept eines frei konfigurierbaren Surround-Abhörcontrollers für praxisgerechte Lautsprecheranordnungen (Concept of a Free Configurable Surround Monitoring Controller for Real-World Loudspeaker Setups) Paper, 22nd Tonmeistertagung, Hannover, Germany, 11/24-27/2000 Eigenschaften, Parametrierung und Einsatz eines Digitalcontrollers für Studio- und PA-Lautsprecher (Features, Parameterization and Adoption of a Digital Signal Controller for Studio and PA Loudspeakers) Poster, 21st Tonmeistertagung, Hannover, Germany, PERSONAL DETAILS Name Dirk Schmelzer Sex Male Date of Birth 19 th Aug., 1972 Languages German, English, French (Basic) Marital Status Engaged Leisure Activities Listening music, Swimming, Hiking Travelling Vintage German and Swiss studio equipment (Open-reel tape recorders Telefunken M10, M10A, Studer A81) Collecting and restoring Hifi-Stereo systems from Bang&Olufsen Mercedes-Benz motorcars of the 70 s (1973 350 SE, 1988 560 SL)