Live sound (PA) systems is what we know, do, and love. We are advocates and design consultants of superior sounding live-sound systems; we work with several AV contractors across the US, to do integration on our projects. Sound can always be improved by designing a better sound system.
Immersive sound systems not only have the potential to provide exciting surround and overhead effects, but more importantly, they provide better sound coverage, from the multiple main arrays, across an auditorium stage. See above, and more on the Immersive Tech. page, how only the center of the room gets a stereo effect (along with echo issues not shown); but with four smaller immersive arrays, almost the entire room is covered, much more consistently! While immersive systems do require considerably more speaker locations than before, the arrays don’t have to be as large as a system with less numbers of arrays; the d&b drawing, on the Graphics page, shows improvements that can be made to site-lines, by using several smaller speakers. For higher-value, consider lower-cost One-Box Line-Arrays.
In summary, although the term immersive implies and allows for surround and overhead loudspeakers, surrounds are not necessarily required or included, as immersive live-sound is as much about better sound imaging across the stage, as it is about surround sound; the surround (and overhead) speakers can be added later (per Fig. 3-4) as some systems allow for gradual system enlargement over time (to reduce initial sticker-shock). Some immersive DSPs are inherently speaker-type-agnostic, thus are less confined to rigid speaker system geometries than immersive/spatial algorithm devices that may be based on WFS, ambiosonic or IRCAM based principles/derivatives. So, immersive sound is very flexible – it can provide better source localization with less than 180° of immersion (across a proscenium/stage) – or up to a full 360° of sound immersion – as dictated by budget, program, space or setup time limitations.
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