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Comparison between In-situ Recordings and Auralizations

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The doctoral research of ‘Prediction and Assessment of Acoustical Quality in Living-rooms for People with Intellectual Disabilities’ in Delft University of Technology investigates, among other issues, the applicability and verification of auralization as a quality assessment tool in acoustical-architectural design. This paper deals with comparison between binaural in-situ recordings and auralizations obtained from computer simulations. Listening tests and questionnaires were prepared from auralizations to compare with the reference binaural recordings. The difficulties in evaluation of auralization quality are discussed. The results indicate that although auralizations and binaural recordings evoke different aural perception auralization is a strong tool to assess the acoustical environment before the space is built. Two commercial programs are used for the auralizations. (ODEON and CATT-Acoustics)

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