There are a number of competing immersive audio encoding formats, such as Dolby Atmos, Auro-3D, DTS-X, and MPEG-H, but, to date, there is no single loudspeaker format for monitoring them all. While it is argued that one of the benefits of using audio objects within immersive audio is that it allows rendering to different, and even competing, loudspeaker formats, nevertheless the documented native formats of each immersive codec must be considered the reference point when monitoring each immersive audio system. This implies that the ability to switch between different loudspeaker layouts will be important when monitoring different immersive audio formats. The solution outlined here is based on the generation of virtual loudspeakers within DSP hardware and their reproduction over normal stereo headphones. The integrated system is designed to allow the accurate monitoring of any immersive audio system of up to 32 loudspeaker sources, with the ability to switch almost instantly between formats.
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