The Bonello Criteria are a set of conditions that are an attempt to use rectangular room dimensions as a general predictor of room modal response quality. Though intuitively satisfying, and often used in room design, the Bonello Criteria make certain assumptions that are almost never met in listening rooms, and the approach has never been systematically validated. An investigation using a computer model and a large number of possible room dimensions was made to see if meeting the Bonello Criteria should result in generally improved low frequency acoustical responses. Overall, the Bonello Criteria correlates only weakly to the Variance of Spatial Average and there is no correlation to Mean Spatial Variance.
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