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L-Acoustics DJ extracts stems from stereo in real time for spatial playback

EERecordist

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The business proposition they are selling is that for venue owners to compete they can compete by having a spatial audio system, which of course requires more L-Acoustics speakers and amplifiers!

From their website, the system uses machine learning to extract in near real time the components of a track into bass, drums, vocals, and everything else. Then the DJ, or the spatial audio control technician can fly the stems around the speaker array. This would be similar to what they are doing in the Las Vegas Sphere, though the Sphere has a much denser speaker array.

It is a new use case for the L-ISA spatial controller one of our ASR contributors reported earlier: https://www.audiosciencereview.com/...-12-ultra-high-resolution-sound-system.46934/

Q3 2025 general availability.



ATMOS was developed for movie companies to preserve the theatrical release revenue stream - the theaters could invest in ATMOS higher order systems with overhead channels. Then movie makers had to come up with reasons in the film for things to fly overhead. I have not dug into spatial music releases. Much would be placing echos on the walls and the ceiling. With spatial dance music, it may become a novel thing people like. It would go along with the spatial venue cost race with spatial lighting and video, not just lights and video on the stage.
 
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I got to experience this technology at Bonnaroo a few weeks ago. It was a life changing experience, very cool. DJ's were mixing on CDJs and using a midi controller the production company configured for them to control the objects each stem was assigned to. Was absolutely the most lit shit I've ever heard.
 
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