Oscillations, Waves, and Interactions - GWDG

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24 M. R. Schroeder, D. Guicking and U. Kaatze of microbubbles and boundaries’, Phys. Fluids 15, 2916 (2003). [182] P. Zwirner, D. Michaelis, and E. Kruse, ‘Akustische Stimmanalysen zur Dokumentation der Stimmrehabilitation nach laserchirurgischer Larynxkarzinomresektion’, HNO 44, 514 (1996). [183] D. Michaelis, M. Fröhlich, and H. W. Strube, ‘Selection and combination of acoustic features for the description of pathologic voices’, J. Acoust. Soc. Am. 103, 1628 (1998). [184] C. Rotsch, K. Jacobson, J. Condeelis, and M. Radmacher, ‘EGF-stimulated lamellipod extension in adenocarcinoma cells’, Ultramicroscopy 86, 97 (2001). [185] R. Matzke, K. Jacobson, and M. Radmacher, ‘Direct, high-resolution measurement of furrow stiffening during division of adherent cells’, Nature Cell Biol. 3, 607 (2001). [186] B. H. Kwok, L. C. Kapitein, J. H. Kim, E. J. G. Peterman, C. F. Schmidt, and T. M. Kapoor, ‘Allosteric Inhibition of Kinesin-5 Modulates its Processive Directional Motility’, Nature Chem. Biol. 2, 480 (2006). [187] M. Korneev, S. Lakämper, and C. F. Schmidt, ‘Load-Dependent Release Limits the Progressive Stepping of the Tetrameric Eg5 Motor’, Eur. Biophys. J. (2007). [188] D. Mizuno, C. Tardin, C. F. Schmidt, and F. C. MacKintosh, ‘Nonequilibrium Mechanics of Active Cytoskeletal Networks’, Science 315, 370 (2007). [189] C. Schmidt and S. Lakämper, ‘UNKNOWN’, in Oscillations, Waves, and Interactions, edited by T. Kurz, U. Parlitz, and U. Kaatze (Universitätsverlag Göttingen, Göttingen, 2007). Photograph “Free-space” room: LIFE, International Edition, May 31, 1954. Photographs and image processing: Gisa Kirschmann-Schröder
Oscillations, Waves and Interactions, pp. 25–36 edited by T. Kurz, U. Parlitz, and U. Kaatze Universitätsverlag Göttingen (2007) ISBN 978–3–938616–96–3 urn:nbn:de:gbv:7-verlag-1-02-4 Speech research with physical methods Hans Werner Strube Drittes Physikalisches Institut, Georg-August-Universität Göttingen Friedrich-Hund-Platz 1, 37077 Göttingen, Germany Abstract. An overview of some recent work in speech research at the Dritte Physikalische Institut is given, especially of investigations from a cooperation between physics and phoniatrics that concern the analysis of pathologic voices by acoustic and optical means. The main novel points are the extension of our own previously published acoustic methods to running speech and new high-speed video methods. 1 Overview Recent work at the Dritte Physikalische Institut may be divided in two thematic fields: • Work related to speech recognition. • Acoustic analysis of pathologic voices, extended to running speech. Here only the second thematic field, which was carried out as a cooperative project of Prof. Eberhard Kruse (Department of Phoniatrics and Paedaudiology, University of Göttingen) and our group, will be described in more detail. 2 Work related to speech recognition This research concerned, on one hand, methods appropriate for preprocessing in speech recognition, such as novel approaches to noise reduction, employing filtering in the modulation-frequency domain [1,2], and to speaker normalization, starting from acoustic estimation of speaker-specific measures of the vocal tract [3]. On the other hand, there were recent investigations concerning speech recognition itself: first, Hidden Markov Model (HMM) based recognition for “endless” signals with continuous forming of hypothesis graphs [4,5] and noise-robust speech/nonspeech distinction based on modulation filtering [6] (partially carried out at DaimlerChrysler); second, exploitation of prosodic features (measures of pitch and loudness) to improve semantic recognition in the context of a natural speech dialog platform [7,8] (partially done at Bosch GmbH).
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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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148 W. Lauterborn et al. bubble rad
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154 W. Lauterborn et al. P koll [kb
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158 W. Lauterborn et al. laser puls
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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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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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296 Schreiber and the last term acc
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298 Schreiber Δf [µHz] 100 50 0 -
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310 Schreiber [18] V. Frede and V.
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312 Martin Dressel tice is reduced
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314 Martin Dressel Metallic whisker
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402 U. Kaatze and R. Behrends (2002
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404 U. Kaatze and R. Behrends Copyr
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406 U. Parlitz here chaos control m
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408 U. Parlitz Figure 2. Amplitude
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410 U. Parlitz 4 10 5 5 (a) (b) (c)
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412 U. Parlitz two-parameter studie
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418 U. Parlitz Figure 9. Correlatio
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420 U. Parlitz series” where for
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422 U. Parlitz current state future
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424 U. Parlitz tion [69] of two uni
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426 U. Parlitz LD1 LD2 M BS1 BS2 OD
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428 U. Parlitz with a clear tendenc
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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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