dr. J. Martinez

Principal Educator
Electrical Engineering Education (EEE), Department of Microelectronics

PhD thesis (Nov 2013): Low-complexity computer simulation of multichannel room impulse responses
Promotor: R.L. Lagendijk, Richard Heusdens

Expertise: Acoustic signal processing

Biography

As Principal Educator Jorge is responsible for the development and accomplishment of the BSc Electrical Engineering curriculum. In particular, he is responsible coordinator for the "Autonomous Driving Challenge" in EPO-4, and its prerequisite, the Telecommunications A practicum. He is also a tutor in "Design a Chip" EPO-3, and its Integrated Circuits practicum prerequisite.

Jorge received his PhD degree from TuDelft in 2013. He specialized in acoustical signal processing. In particular modeling and simulation of "multi-channel room impulse responses", which is a characterization of how the sound field evolves in a given place. This has many uses in our modern society, from improved speech recognition in voice-controlled "intelligent personal assistants", to better noise reduction in your mobile phone, or to be able to understand the playing message at the train station even when the train arrives. Jorge actively research these and other related topics as a Research Fellow within the Circuits and Systems Group at TuDelft.

Having a question regarding these subjects? Do not hesitate in contacting Jorge!

EE2L11 EPO-3: Design a Chip

Structural hierarchical design of a VLSI chip, implemented using Sea-of-Gates

EE2L21 EPO-4: "KITT" autonomous driving challenge

Make a car drive autonomously from A to B

EE2T11 Telecommunications A

A first course in telecommunication, with focus on the physical layer. Includes a lab course related to Signals and Systems (preparing for EPO-4)

ET4386 Estimation and detection

Basics of detection and estimation theory, as used in statistical signal processing, adaptive beamforming, speech enhancement, radar, telecommunication, localization, system identification, and elsewhere.

General signal processing

Generalized discrete Fourier transform (gDFT)

A generalized Fourier transform is introduced that enables linear convolutions without the need of zero-padding. This results in faster, more resource- efficient computations

Software, Jan 2011

  1. A Low-Power Microcontroller in a 40-nm CMOS Using Charge Recycling
    K. Blutman; A. Kapoor; A. Majumdar; J.G. Martinez; L. Sevat; A.P. van der Wel; H. Fatemi; K.A.A. Makinwa; J.P. de Gyvez;
    IEEE Journal of Solid-State Circuits,
    Volume 52, Issue 4, pp. 950-960, 1 2017. DOI: 10.1109/jssc.2016.2637003

  2. A Microcontroller with 96% Power-Conversion Efficiency using Stacked Voltage Domains
    B. Blutman; A. Kapoor; A. Majumdar; J.G. Martinez; J. Echeverri; L. Sevat; A. van der Wel; H. Fatemi; J.P. de Gyvez; K.A.A. Makinwa;
    In Dig. Techn. Paper IEEE Symposium on VLSI Circuits (VLSI),
    IEEE, pp. 1-2, June 2016. DOI: 10.1109/vlsic.2016.7573478

  3. A robust region-based near-field beamformer
    J. Martinez; N. Gaubitch; W.B. Kleijn;
    In Proc. of the International Conference on Acoustics, Speech and Signal Processing (ICASSP 2015),
    Brisbane, Australia, IEEE, April 2015.

  4. Real-time loudspeaker distance estimation with stereo audio
    Jesper Kjær Nielsen; Nikolay D. Gaubitch; Richard Heusdens; Jorge Martinez; Tobias L. Jensen; Søren Holdt Jensen;
    In 23rd European Signal Processing Conference (EUSIPCO), 2015,
    Nice (France), EURASIP, pp. 250 - 254, 2015.

  5. Fast sound field reproduction in box-shaped rooms: Rigid walls case
    Jorge Martinez; Geert Leus; W. Bastiaan Kleijn;
    In Signal Processing Conference (EUSIPCO), 2015 23rd European,
    pp. 2471--2475, 2015. DOI: 10.1109/EUSIPCO.2015.7362829
    document

  6. A generalized Fourier domain: Signal processing framework and applications
    Jorge Martinez; Richard Heusdens; Richard C. Hendriks;
    Signal Processing,
    Volume 93, Issue 5, pp. 1259 - 1267, 2013. DOI: http://dx.doi.org/10.1016/j.sigpro.2012.10.015
    document

  7. Low-complexity computer simulation of multichannel room impulse responses
    Jorge Martinez;
    PhD thesis, Delft University of Technology, Delft, The Netherlands, November 2013.
    document

  8. A spatio-temporal generalized fourier domain framework to acoustic modeling in enclosed spaces
    Jorge Martinez; Richard Heusdens;
    In Proc. IEEE Int. Conf. Acoust., Speech, Signal Process. (ICASSP),
    pp. 529-532, 2012. DOI: 10.1109/ICASSP.2012.6287933
    document

  9. A Generalized Poisson Summation Formula and its Application to Fast Linear Convolution
    Jorge Martinez; Richard Heusdens; Richard C. Hendriks;
    {IEEE} Signal Process. Lett.,
    Volume 18, Issue 9, pp. 501 -504, September 2011. DOI: 10.1109/LSP.2011.2161078

  10. A Generalized Poisson Summation Formula and its Application to Fast Linear Convolution
    J. Martinez; R. Heusdens; R.C. Hendriks;
    IEEE Signal Process. Lett.,
    Volume 18, Issue 9, pp. 501-504, 2011. DOI: 10.1109/LSP.2011.2161078
    documentsoftware

  11. An ultra-wideband radar imaging system using a two-dimensional multiple-input multiple-output (mimo) transducer array
    J Fortuny-Guasch; A Martinez; A Yarovoy; X Zhuge; JM Lerat; L Duchesne;
    2011.

  12. On Low-Complexity Simulation of Multichannel Room Impulse Responses
    Jorge Martinez; Richard Heusdens;
    {IEEE} Signal Process. Lett.,
    Volume 17, Issue 7, pp. 667 -670, July 2010. DOI: 10.1109/LSP.2010.2051049
    Keywords: ... free-field plenacoustic spectrum;image source model;low-complexity RIR method;low-complexity simulation algorithm;multi-input multi-output system;multichannel room impulse response;next generation communication system;rigid boundaries;spatial aliasing;spectral sampling;virtual free-field sources;wall reflection;wave equation;MIMO communication;acoustic signal processing;architectural acoustics;image sampling;transient response;wave equations;wireless channels;.

  13. 1.8 GHz Active Microwave Filter realized in SiGe for Mobile Communications
    M.J.M. Martinez; L.C.N. de Vreede; J.L. Tauritz;
    In Proceedings of XIII Conference on Design of Circuits and Integrated Systems (DCIS'98),
    Madrid, Nov. 1998.

  14. Active Microwave Filters realized in SiGe Technology
    M.J.M. Martinez; L.C.N. de Vreede; J.L. Tauritz;
    In MTT-S European Wireless 98,
    Amsterdam, pp. 110-115, Oct. 1998.

BibTeX support

Last updated: 26 Dec 2018