Proceedings of the ICA Congress, Volume 2; Volume 4Elsevier Publishing Company, 1962 - Acoustical engineering |
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absorption Acustica airborne insulation airborne sound akustische akustischen amplitude analysis attenuation average Beranek and Newman Bläschen concert halls D. W. Robinson DECIBELS direct sound dispersion effects elastic wave elektrischen energy equal temperament exhaust stream experimental experiments flats floor formant frequency grading curves Hallraum harmonics hearing impact sound increase inharmonic initial-time-delay gap input intonation judgements Kavitation Kavitationsbläschen laboratory listener loudness measurements method milliseconds musical acoustics noise level noisiness normal observed octave OCTAVE BAND phon phonon physical piezoelectric pitch pression puissance Rating Scale recommendation resonance reticular formation reverberation RMS ERROR rocket engines rocket noise Schall Schalldrucks Schallfeldes shown in Fig sound field sound insulation sound level sound level meter sound power sound power level sound pressure levels space vehicle spectral spectrum speech static testing subjective tone transverse waves tube vibration vocal tract vowel Wellen wurde