Now showing items 1-14 of 14

  • Acoustic study of the multiple use classroom in the elementary school of Gonia in Rethymno.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Terzakis, Mihail-Evangelos
    Thesis advisor: Mprezas, Spyridon; Mpakarezos, Efthymios; Papapadogiannis, Nektarios
    Publication Date: 17-02-2012
    The acoustical study of large spaces is a really interesting issue and especially when it comes to school buildings, in which acoustics is related not only to the received sound quality (by the listener), but also to the ...
  • Acoustic characterization of a guitar using modern techniques.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Arapkoules, Stylianos-Vasileios
    Thesis advisor: Orfanos, Ioannis; Bakarezos, Efthymios; Papadogiannis, Nektarios
    Publication Date: 2019-03-13
    Here the acoustical and vibrational behavior of a commercially available guitar is studied. The emitted sound from the instrument was recorded, while its frequency response to impact excitation was also measured. A ...
  • Development and evaluation of speech data base detected via optical laser techniques.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Movsesian, Ara
    Thesis advisor: Mpakarezos, Efthymios; Papadogiannis, Nektarios; Zervas, Panagiotis
    Publication Date: 05-10-2014
    In the present study an optoelectronic arrangement for the remote detection of sound is developed, based on the laser beam deflection technique. Using this, sound material from a fully characterized speech data base is ...
  • Development of optoelectronic arrangements and their application in the detection of the oscillations of the strings and of the soundbox surfaces of string musical instruments.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Vlachaki, Vallia; Minadaki, Stella
    Thesis advisor: Mpakarezos, Efthymios; Papapadogiannis, Nektarios; Tzanetakis, Panagiotis
    Publication Date: 05-02-2013
    Stroboscopic illumination is a method of observation of the movement of objects, which finds applications in various fields, such as in industry and in medicine. It is also used for research pusposes. This thesis deals ...
  • Development of acoustic wave in water by a pulsed laser for biomedical applications.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Skarou, Alexia
    Thesis advisor: Papadogiannis, Nektarios; Bakarezos, Efthymios
    Publication Date: 2016-07-14
    The present study is the first step towards the development of fully functional experimental arrangements for the generation and detection of ultrasounds for biomedical applications in the Acoustical and Optical Technology ...
  • Development of modified techniques of holographic interferometry ESPI for studying the regular ways of surface vibration.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Patsas, Konstantinos
    Thesis advisor: Bakarezos, Efthimios
    Publication Date: 20-10-2009
  • Detection of movement and vibrations using optical interferometric techniques.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Tsiounta, Margiori
    Thesis advisor: Papadogiannis, Nektarios; Bakarezos, Efthymios
    Publication Date: 20-10-2009
  • Vibrational characterization of piezoelectric transducers using laser interferometric imaging techniques.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Sotiris, Panagiotis
    Thesis advisor: Bakarezos, Efthymios; Orfanos, Ioannis; Papadogiannis, Nektarios
    Publication Date: 2018-01-11
    A time-integrated electronic speckle-pattern interferometry (ESPI) system was appropriately modified and used to study the vibrational characteristics of a commercially available piezoelectric transducer. In addition, the ...
  • Creation and function control of optical devices for controling sound.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Karonis, Dimitris
    Thesis advisor: Mpakarezos, Efthymios
    Publication Date: 13-01-2010
  • Investigation of vibrational features in traditional percussion music instruments by using optical interferometry techniques.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Sidiras, Giannis
    Thesis advisor: Papadogiannis, Nektarios; Mpakarezos, Efthymios; Orfanos, Ioannis
    Publication Date: 04-07-2013
    Traditional percussion music instruments consist of a tubular frame with a special rim on which it is stretched animal skin membrane natural or conventional, plastic membrane. The normal modes of oscillation of both membranes ...
  • Study of the ultrasonic elastic waves with optical imaging methods.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Rinakakis, Michail
    Thesis advisor: Papadogianis, Nektarios; Mpakarezos, Efthymios
    Publication Date: 01-08-2011
  • Comparative acoustic study of the Constantinopolitan lute and the oud.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Molis, Theodoros
    Thesis advisor: Papadogiannis, Nektarios; Bakarezos, Efthymios
    Publication Date: 2016-07-12
    In this work the study and comparison of the acoustical characteristics of two traditional musical instruments, namely the Constantinopolitan Lute and the Oud, is presented. The sound emitted by these instruments is ...
  • High frequency, intense acoustic waves generated by ultrafast laser pulses in air.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Kappis, Achileas
    Thesis advisor: Papadogiannis, Nektarios; Mpakarezos, Efthymios; Mprezas, Spyridon
    Publication Date: 05-10-2014
    The aim of the present study is to investigate and model acoustic shockwave sources, generated by focusing ultrafast laser pulses in air. In order to record the produced acoustic waves the method of CW laser beam deflection ...
  • Characterization of an acoustic source generated by the electrical breakdown of air using ultrafast laser pulses.

    T.E.I. of Crete, School of Applied Sciences, Department of Music Technology and Acoustics Engineering (in Rethymno)
    Authors: Ntzimanis, Dimitrios
    Thesis advisor: Papadogiannis, Nektarios; Mpakarezos, Efthymios; Mprezas, Spyridon
    Publication Date: 21-01-2014
    The purpose of this work is to characterize an acoustic source generated by the dielectric breakdown of air using ultrafast laser pulses. For this purpose, an appropriate experimental arrangement was developed in the ...