Sweden-based sound pioneer Dirac has released an Artificial Intelligence-based live bass control technology for advanced home thater AV receivers that promises precise room calibration for single and multiple subwoofer placements.

Dirac Live Bass Control is now being included in next-generation AVRs from high-performance sound equipment brands including: Bryston, Focal and StormAudio, with units from Arcam, AudioControl, JBL Synthesis and others soon to follow, the company said.

Dirac Live Bass Control is designed to “optimize a system’s subwoofers and speakers to deliver consistent and accurate bass throughout an entire room, according to the Dirac announcement.

Niklas Thorin, Dirac high-performance audio GM, said, “speaker and subwoofer sound waves bounce throughout a space and collide with one another to create crossover areas with uneven bass distribution. Dirac Live Bass Control measures and phase corrects both the speakers and subwoofers across all frequencies to produce enhanced bass clarity and improved bass tone evenness throughout the room. It’s a game-changing feature for the home theater industry that’s now available through some of the world’s finest AVRs.”

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The Dirac Live Bass Control technology joins the company’s Dirac Live room acoustics system, which also includes Dirac Live Room Correction advanced room calibration tool.

Dirac Live Bass Control is being made available in three performance tier levels including: “Enabled” for manual single subwoofer management; “Limited,” for automatic single subwoofer management; and “Complete,” for AI multi-subwoofer management.

Dirac said the technology aggregates measurement and location data from each subwoofer to determine how a system’s bass is distributed throughout the room. It then identifies gaps in the sound waves and distributes bass evenly across the room. The feature also corrects the low-frequency sound waves produced by the speaker pair, so the bass produced by each speaker is in sync with the system.

The package of advanced processing technology enables placing subwoofers anywhere in a room — important for som aesthetically pleasing room decore arrangements — without sacrificing performance for design, the company said.

Dirac said all StormAudio, Bryston, and Focal AVR models currently equipped with Dirac Live Room Correction are now also equipped with Dirac Live Bass Control (Complete). This will later be the case for all JBL Synthesis AVRs as well. Arcam’s AVR10, AVR20, AVR30, and AVR40 units, and AudioControl’s Concert XR-4, XR-6, XR-8 and Maestro X7 and X9, are also slated to soon add the Dirac Live Bass Control Complete capability.

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By Greg Tarr

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