Radu-Sebastian Marinescu

Research & Development Engineer at Rohde & Schwarz Topex

Email: radu.s.marinescu@gmail.com

Last update: July 2014

Research Interests

  • Speech Processing (Voice Activity Detection, Speech Enhancement, Voice Quality)
  • Signal Processing (Time Delay Estimation, Noise Reduction)
  • Data Mining

Degrees and Professional Experience


  • PhD Degree, in Electronics and Telecommunications (Nov 2013), University “Politehnica” of Bucharest
  • Master of Science, in Advanced Microelectronics (Feb 2010), University “Politehnica” of Bucharest
  • Engineer Degree, in Microelectronics (Jun 2008), University “Politehnica” of Bucharest
  • Bachelor Degree (Jun 2003), “I.C. Bratianu” National College, Pitesti

Professional experience

  • R&D Engineer (Dec 2011 – present) at Rohde & Schwarz Topex, Bucharest, Romania. Research and development voice applications for Air Traffic Management Voice Communication Systems.
  • Senior Software Engineer (Jun 2011 – Nov 2011) at Enea, Bucharest, Romania. Developed embedded software for medical equipment.
  • Teaching Assistant (Mar 2010 – Feb 2011) at Faculty of Electronics, Telecommunications and Information Technology, University Politehnica of Bucharest. Teaching practical part of Digital Signal Processors course for master students.
  • R&D Engineer (Jun 2006 – Jun 2011) at Electromagnetica, Bucharest, Romania. Research and development special embedded systems for military and civil applications.

Academic Activity


Master curricula

  • Digital Signal Processors, laboratory (2010 – 2011) at Faculty of Electronics, Telecommunications and Information Technology, University “Politehnica” of Bucharest.

Scientific Activity

Scientific research trace-route and achievements

  • Digital signal processing (2011–2013). Time delay estimation methods based on generalized cross-correlation.
  • Speech Processing (2011– present). Voice activity detection and voice quality

Affiliation to scientific community

  • Member of EURASIP, Sep 2013 – present;
  • Peer reviewer for Africon2013, SpeD2013.
  • Member of SpeeD Laboratory, Oct 2010 – present.

List of publications

PhD thesis

Radu-Sebastian MarinescuBest Signal Selection with Automatic Delay Compensation in VoIP Environment, PhD Thesis, University “Politehnica” of Bucharest, Nov 2013 (scientific coordinator: prof. Corneliu Burileanu).

Journal and conference papers




  • Radu-Sebastian Marinescu, Corneliu Burileanu, “Function generator by direct-digital frequency synthesis”, in the Proceedings of the 31st Semiconductor International Conference (CAS 2008), Sinaia, Romania, Oct 2008, vol 2, pp. 427-430, ISBN: 978-1-4244-2004-9.

List of citations

A list of citations for my research work is provided by the Google Scholar Citations web-service.