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This work examines the acoustical aspects that emerge from the self-properties of the various geometrical shapes. For this purpose, 16 shapes (625 m2 each) were categorized and acoustically tested using principally ODEON ver. 4.2. The main objective is to establish a relationship between room shape/form and the intelligibility of speech expressed in five acoustic indicators. For this objective, new architectural indicators were developed and a complete set of adopted acoustic indicators were suggested to judge precisely the quality of speech in a room. The work was carried out in three phases. The first investigates Shape-Acoustics relationship (Chapter 2). The second investigates Volume-Acoustics relationship (Chapter 3) and the last investigates Form-Acoustics relationship (Chapter 4). While Chapter 1 is an introductory part that reviews the theoretical background of the work, Chapter 5 presents the conclusions and the main findings of the work. This is perhaps the first time to visualize rather than describe the type and distribution of the acoustical fields within a room. It should be especially useful for architects and researchers involved in the design of speech rooms.
About the author
B. Arch (1990), M.Sc. (1996) and Ph.D. (2002) in architectural acoustics, Ain Shams University ASU. He worked in the same university until summer 2011. As of fall 2012; he is Full Professor of architecture and building science in ASU (on leave). Currently he is working in the Faculty of Environmental Design of KAU, Saudi Arabia
