A research was undertaken to investigate the loss of Italian language word intelligibility in classrooms caused by low signal to noise ratio and too high reverberation. In the first part of the work, impulse responses and background noises were measured in two primary schools using different mono, binaural and B-format probes. A dummy head with child morphology was also used for the first time in this context. It was thus possible to compare the performance of a child head to the conventional adult one. Then the restitution of the recorded sound fields in a dedicated listening room was accomplished, using stereo dipole and ambisonics technologies.

Authors: Farnetani, Andrea; Fels, Janina; Prodi, Nicola; Smyrnova, Yuliya
Affiliations: Engineering Department, Università di Ferrara; Institut Technische Akustik, RWTH Aachen; Institute of Fundamental Tech. Research Polish Academy of Sciences(See document for exact affiliation information.)
AES Convention: 122 (May 2007) Paper Number: 7087
Publication Date: May 1, 2007
Session Subject: Room and Architectural Acoustics; Sound Reinforcement

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