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The importance of early reflected sound from sidewall and ceiling reflecting panels in auditoria and spaces used for musical presentation has been recognized for some time. Experience teaches that size, shape and orientation of panels affect their reflecting characteristics. This paper presents results of ongoing studies using scale modeling techniques. The measured reflection transfer function is presented for several types of reflecting panels. Transfer functions measured in the shadow zone of a reflecting panel exhibit interference characteristics. The non-uniformity of the transfer functions is shown to be due to out of phase waves diffracted from the panel edges.
Author (s): Ortega, Jose C.
Affiliation:
Paul S. Veneklasen and Associates, Santa Monica, CA
(See document for exact affiliation information.)
AES Convention: 89
Paper Number:2994
Publication Date:
1990-09-06
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Session subject:
Modeling of Acoustic Spaces
Permalink: https://aes2.org/publications/elibrary-page/?id=5699
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Ortega, Jose C.; 1990; Measurement of Panel Reflection Using Acoustical Scale Modeling Techniques [PDF]; Paul S. Veneklasen and Associates, Santa Monica, CA; Paper 2994; Available from: https://aes2.org/publications/elibrary-page/?id=5699
Ortega, Jose C.; Measurement of Panel Reflection Using Acoustical Scale Modeling Techniques [PDF]; Paul S. Veneklasen and Associates, Santa Monica, CA; Paper 2994; 1990 Available: https://aes2.org/publications/elibrary-page/?id=5699