In the context of amplitude-phase spatial audio coding, we give a proof of a phase discontinuity problem that affects all previous tridimensional stereo-compatible schemes. We solve it by using a dynamic mapping of spherical coordinates to the Scheiber sphere, which ensures phase continuity.

Authors: Becker, François; Bernard, Benjamin; Carron, Clément
Affiliations: Coronal Audio, Paris, France; Coronal Audio, Monaco, Monaco; Longcat Audio Technologies, Chalon-sur-Saone, France; Coronal Audio, Lyon, France; Longcat Audio(See document for exact affiliation information.)
AES Convention: 143 (October 2017) eBrief:358
Publication Date: October 8, 2017
Subject: Posters—Part 1

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