Oscillations, Waves, and Interactions - GWDG

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36 H. W. Strube (1985). [30] M. Fröhlich, Simultane Inversfilterung und Schätzung des glottalen Flusses aus akustischen Stimmsignalen, Doctoral thesis, Universität Göttingen, downloadable at http://webdoc.sub.gwdg.de/diss/1999/froehlich/ (1999). [31] M. Fröhlich, D. Michaelis, and H. W. Strube, ‘SIM – simultaneous inverse filtering and matching of a glottal flow model for acoustic speech signal’, J. Acoust. Soc. Am. 110, 479 (2001). [32] A. El-Jaroudi and J. Makhoul, ‘Discrete all-pole modeling’, IEEE Trans. Signal Processing 29, 411 (1991). [33] S. Anderson, Messung der Glottisöffnungsfläche und deren Beziehung zum Rauschanteil der Stimme, Diploma thesis, Universität Göttingen, downloadable at http://sven.anderson.de/misc/diplomarbeit.pdf (2003). [34] S. Anderson, D. Michaelis, and H. W. Strube, ‘Vollautomatische Glottisdetektion bei Hochgeschwindigkeitsaufnahmen’, in Fortschritte der Akustik – DAGA ’02, edited by U. Jekosch (DEGA, Oldenburg, 2002), pp. 624–625. [35] N. Nikolaidis and I. Pitas, 3-D Image Processing Algorithms (John Wiley & Sons, 2001).
Oscillations, Waves and Interactions, pp. 37–71 edited by T. Kurz, U. Parlitz, and U. Kaatze Universitätsverlag Göttingen (2007) ISBN 978–3–938616–96–3 urn:nbn:de:gbv:7-verlag-1-03-7 On the use of specific signal types in hearing research A. Kohlrausch 1,2 and S. van de Par 1 1 Digital Signal Processing Group, Philips Research Europe, Eindhoven, The Netherlands 2 Human-Technology Interaction, Eindhoven University of Technology, Eindhoven, The Netherlands Email: 1 armin.kohlrausch@philips.com, 2 steven.van.de.par@philips.com Abstract. In this contribution, we review a number of specific signal types that have been introduced in auditory research in the past 20 years. Through the introduction of digital computers into experimental and theoretical hearing research, the freedom to construct and use specific acoustic stimuli in behavorial and also physiological research has grown steadily. In parallel, the use of computer models allowed to analyze and predict, within certain limits, how specific properties of acoustic stimuli influence the perception of a listener. As in other fields of physics, the close interplay between experimental tests and quantitative models has been shown to be essential in advancing our understanding of human hearing. 1 Introduction One of the scientific areas to which the research groups at the Dritte Physikalische Institut (DPI) contributed significantly is the wide field of psychoacoustics. The interest in this area can be traced back to early research activities of its first director, Erwin Meyer [1]. Evidence of his strong and continuing interest is provided by the fact that he chose the opportunity of his inaugural lecture after his new appointment at the university of Göttingen, which he gave in January 1948, to talk about: ‘ Über den derzeitigen Stand der Theorie des Hörens (On the current state of the theory of hearing)’ [2]. One of the best-known psychoacoustic contributions coming from the DPI is based on the work by Haas [3]. The Haas-effect refers to the observation that a reflection that follows the direct sound with a short delay up to 50 ms can be significantly higher in level than the direct sound, without being perceived as annoying. In later years, hearing-related problems were mostly studied in the context of room-acoustic questions, and most perceptual activities in the 1970’s were devoted to the broad area of subjective room acoustics [4]. The classical psychoacoustic studies, based on well-controlled acoustic stimuli delivered via headphones to subjects sitting in a sound-isolated, and often very narrow,
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104 D. Ronneberger et al. [4] J. Br
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106 D. Ronneberger et al. strömung
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108 D. Guicking synchronised tuning
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110 D. Guicking primary noise micro
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112 D. Guicking primary sensor desi
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114 D. Guicking by an antiphase sou
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116 D. Guicking R L C C + + 1 1−C
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118 D. Guicking More involved than
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120 D. Guicking In the 1980s, longi
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122 D. Guicking with electrodynamic
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124 D. Guicking 3.6 Noise reduction
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126 D. Guicking the turbulence of a
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128 D. Guicking References [1] Lord
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130 D. Guicking [44] Falcke, H.,
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132 D. Guicking [84] J. Melcher,
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134 D. Guicking [125] D. Heyland et
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136 D. Guicking [166] S. Zommer et
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138 D. Guicking [212] M. L. Post an
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140 W. Lauterborn et al. liquid κ
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142 W. Lauterborn et al. Figure 2.
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144 W. Lauterborn et al. nator, and
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146 W. Lauterborn et al. by types a
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168 W. Lauterborn et al. R [µ m] 1
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170 W. Lauterborn et al. [17] M. P.
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172 R. Mettin (a) (b) Figure 1. Bub
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174 R. Mettin 0 ms 2 mm 1 ms 2 ms 3
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176 R. Mettin important quantity ch
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178 R. Mettin 100 kPa 200 kPa | | F
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180 R. Mettin Figure 7. Trapped sin
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182 R. Mettin concentration of spec
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184 R. Mettin which is called the p
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186 R. Mettin R 02 [µm] R 02 [µm]
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188 R. Mettin constant to M a = 2π
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190 R. Mettin (a) p a [Pa] 140 120
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192 R. Mettin z [mm] 5 4 3 2 1 0 -1
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194 R. Mettin Figure 17. Left: Expe
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196 R. Mettin - a hot microlaborato
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198 R. Mettin [52] R. Mettin, C.-D.
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200 W. Eisenmenger and U. Kaatze Th
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260 K. D. Hinsch Generally, any of
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262 K. D. Hinsch Figure 1. Monitori
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264 K. D. Hinsch Figure 3. ESPI stu
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266 K. D. Hinsch Figure 4. Deterior
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268 K. D. Hinsch Often, in-plane mo
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270 K. D. Hinsch Figure 7. Optical
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272 K. D. Hinsch Figure 9. Humidity
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276 K. D. Hinsch Figure 13. Map of
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278 K. D. Hinsch References [1] D.
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280 Schreiber not moving along with
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282 Schreiber These properties made
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284 Schreiber Figure 3. The G ring
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286 Schreiber Rotation Rate [rad/s]
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290 Schreiber n1 D A B n Figure 8.
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292 Schreiber Beamwalk [µm] 80.0 7
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294 Schreiber ∆ Perimeter [*10e12
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304 Schreiber 7.2 The ring laser co
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312 Martin Dressel tice is reduced
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314 Martin Dressel Metallic whisker
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316 Martin Dressel (a) (b) (c) CH 3
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406 U. Parlitz here chaos control m
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420 U. Parlitz series” where for
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422 U. Parlitz current state future
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426 U. Parlitz LD1 LD2 M BS1 BS2 OD
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430 U. Parlitz (a) y (c) y 40 20 È
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432 U. Parlitz [29] P. Grassberger,
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434 U. Parlitz [76] H. D. I. Abarba
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436 S. Lakämper and C. F. Schmidt
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462 Index basin of attraction, 144
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464 Index cone bubble structure, 19
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466 Index turbulent, 111, 126 fluct
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468 Index LPC, 29 luminescence of b
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470 Index peak factor, 38, 43 Peier
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472 Index laser-induced bubble, 152
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474 Index ultraharmonic resonance,
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