The energy in the 3D sound field in a room holds crucial information needed when designing a room correction system. This paper shows how measured sound pressure in at least 4 randomly selected positions scattered across the entire listening room is a robust estimate of the energy in the 3D sound field. The reproducibility was investigated for different number of random positions, which lead to an assessment of the robustness of room correction systems based on different numbers of random microphone positions.

Author: Pedersen, Jan Abildgaard
Affiliation: Lyngdorf Audio
AES Convention: 123 (October 2007) Paper Number: 7261
Publication Date: October 1, 2007
Subject: Signal Processing for Room Correction

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