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2.2.5 Potential applications
Thanks to the small confidence intervals, this measurement technology is not
only useful for quality monitoring but also for:
 Quality-controlled measurement of noise levels, e.g., in connection with
TA Lärm.
 Thanks to quality control, high-resolution separation of system noise and
external noise by means of short-time measurements. Resolution limit up
to 10 dB under the external noise L50.
 Quality-controlled short-term level difference measurement for
architectural acoustics, in particular for heavily fluctuating noises
 Quality-controlled measurement of loudness.

2.2.6 Literature
[1] VDI Directive 3723 Sheet 1: Application of statistical methods for the
description of variating ambient noise levels. May 1993. Beuth-Verlag, 10772
Berlin.
[2] Heiß, A.: Der Vertrauensbereich des Perzentilpegels (Statistikpegels) bei
Echtzeit-Schallmessungen. Fortschritte der Akustik, DAGA '95, Saarbrücken
March '95, 679–682.
[3] Heiß, A. und Krapf, K.-G.: Online-Bestimmung der Perzentilstreuung
von Geräuschimmissionen. Fortschritte der Akustik, DAGA '97, Kiel March
'97, 271–272.
[4] Heiß, A. und Krapf, K.-G.: Perzentil-Vertrauensbereiche, gemessen für
typische Geräuschimmissionssituationen, Fortschritte der Akustik, DAGA '98,
Zurich March '98