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Numerical Processing of Calculated Echograms to Derive Stable Room Acoustics Parameters

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Execution parameters in a sound ray computer program (time discretization step,...) can influence the calculated echograms and their associated room acoustics parameters. An improved procedure is proposed to control this influence through a numerical processing of the raw calculated echograms. This procedure replaces the less accurate part of the echogram by a suitable theoretical decay. Examples are presented.

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AES - Audio Engineering Society