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Assessment of a reflexion in relation to the direction

: Lehmann, P.; Wettschureck, R.

International Union of Pure and Applied Physics:
7th International Congress on Acoustics 1971. Proceedings. Vol.3 : Sections M-P-U, physical acoustics
Budapest: Akad. Kiado, 1971
International Congress on Acoustics <7, 1971, Budapest>
Conference Paper
Fraunhofer HHI ()
architectural acoustics; room acoustic criteria; reflection; syllable intelligibility; sound incidence directions; horizontal plane; vertical plane; synthetic sound field; reverberation field

Syllable intelligibility tests were carried out for sound incidence directions in the horizontal plane and under equivalent conditions in the vertical plane, in a simple synthetic sound field (direct sound, reflexion). The results of these tests as well as of measurements in a reverberation field are reported. The room-acoustic criteria obtained from the different situations are compared.