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Title: The diffuse sound object
Author: Cousins, Michael Patrick
ISNI:       0000 0004 9352 6748
Awarding Body: University of Southampton
Current Institution: University of Southampton
Date of Award: 2019
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The theoretical diffuse sound field is one that is generated using an infinite number of uncorrelated plane waves from all directions. Spatial audio, in contrast, is generally delivered using a finite number of loudspeakers, potentially as few as only two. Therefore there is a reduction in the diffuseness of the sound field when reproducing diffuse sound fields using loudspeakers. It is therefore important that sound fields such as reverberation, rain or audience noise - that are approximations of a theoretical diffuse sound field - are reproduced with minimal perceptual degradation to maximise the spatial audio experience. In this research, the perception of diffuseness has been investigated thoroughly using a series of listening tests. Additionally, the relationships between the subjective perceived diffuseness and objective metrics for measuring diffuseness have been investigated leading to a simple metric for perceived diffuseness based on the spatial coherence.
Supervisor: Fazi, Filippo Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available