Periodische Enzymaktivierung als Kontrollfaktor multizellulärer Entwicklung. Neuere Ergebnisse zum räumlichen Hören
259. Sitzung am 1. März 1978 in Düsseldorf
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The results of some research projects during the last years improved our understanding of three-dimensional hearing of men. In this paper after a more general review of this topic some more interesting details are discussed which lead to technical applications or are likely to do so in the near future. Such applications are: Suppression of reverberation in electroacoustical trans mission systems, dummy head stereophony, measurement of ear-drum-im pedance and the area function of the ear canal with respect to medical diagnostics. 57 Neuere Ergebnisse zum raumlichen Horen (a) Ubliches Blockdiagr...
The results of some research projects during the last years improved our understanding of three-dimensional hearing of men. In this paper after a more general review of this topic some more interesting details are discussed which lead to technical applications or are likely to do so in the near future. Such applications are: Suppression of reverberation in electroacoustical trans mission systems, dummy head stereophony, measurement of ear-drum-im pedance and the area function of the ear canal with respect to medical diagnostics. 57 Neuere Ergebnisse zum raumlichen Horen (a) Ubliches Blockdiagramm einer N achrichtenubertragungss trecke r------------i I I I I I I I I QueUe Sender Kanal I Empfanger Senke : L ____________ ..J Storsignale (b) Spezialfa!1: Elektroakustische Ubertragung ( Empfangsseite ) r-------------------------------, I I I I I I I I I : Empfanger Wandler.. Schal!feld Mensch: L _______________ ~~~ _____________ ~ Elektro- "reine" Psyc.hookustik okustik Akustik Physiolog. Ak. Bild 1: Teilgebiete der nachrichtentechnischen Akustik Frontalebene Horizontalebene Bild 2: Kopfbezogenes Koordinatensystem, wie es iiblicherweise fiir Untersuchungen des raumlichen Horen verwendet wird 00 '" Schallelnfalls t ..c richtung ~ 1 ... " = 60° . ~ N ~ - 0,5 1 2 4 8kHz 16 6 c ~ OIL ____ L-__ -L ____ ~--~---- 1 248kHz 16 2 0,5 dB (L Frequenz - 1 '- ~ ..:7-101 r 1 1\ II td ~ t:: N r1 t 1,5 ::l C Q) ~ ms L Q) ...
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