Juan Torres — accepted AI-conference papers

2025

Ambisonics Coding in IVAS: A Hybrid SPAR and DirAC System

Dominik Weckbecker, Stefanie Brown, Juan Torres, Markus Multrus, Archit Tamarapu, Guillaume Fuchs

ICASSP 2025accepted

The Ambisonics audio format represents a 3D sound field as a fixed set of audio channels, with a tradeoff between spatial detail and the required number of audio channels. Because the number of audio channels that must be coded increases quadratically with respect to Ambisonics order, high-quality c…

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2019

Immersive Audio Coding for Virtual Reality Using a Metadata-assisted Extension of the 3GPP EVS Codec

David McGrath, Stefan Bruhn, Heiko Purnhagen, Michael Eckert, Juan Torres, Stefanie Brown +1

ICASSP 2019accepted

Virtual Reality (VR) audio scenes may be composed of a very large number of audio elements, including dynamic audio objects, fixed audio channels and scene-based audio elements such as Higher Order Ambisonics (HOA). Potentially, the subjective listening experience may be replicated using a compact s…

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