Constant sound volumes of 86 phon at driver's stand and 67 phon in passenger compartments are achieved by use of exhaust mufflers for diesel engine and unit, fibrous materials in roofs and walls for air sound suppression and absorption, and spraying of sheet metal to deaden sound. (See also - n 4 Apr p 121-32)
Noise suppression, new comfort in Trans-Europe-Express Trains of German Federal Railways
Geraeuschbekaempfung, der neuzeitliche Komfort im Trans-Europ-Express der Deutschen Bundesbahn
Glasers Annalen ; 82 , n 5
1958
10 pages
Aufsatz (Zeitschrift)
Deutsch
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