Dirac to release Live Active Room Treatment solution
Swedish digital audio pioneer, Dirac, has released the Dirac Live Active Room Treatment, the latest feature designed to address bass resonance and room decay time to produce a cleaner, tighter bass experience than ever before possible.
Debuting in all StormAudio AVRs through a Spring 2023 firmware update, the new feature processes theatre audio as a unified system, not individual speakers, to eliminate boomy bass.
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“Dirac pioneered digital room correction through our impulse response optimisation technology found in our acclaimed Dirac Live Room Correction feature,” Dirac chief product officer Mathias Johansson says.
“Now, with Active Room Treatment we are moving beyond traditional room correction to actually reduce bass decay times digitally, without needing bass traps or thick layers of wall absorption.”
Dirac Live Active Room Treatment leverages Dirac’s expertise in MIMO mixed-phase impulse response correction technology to enable spatial optimisation, whereby all speakers in a sound system cooperate with each other to accomplish what passive acoustic treatments struggle to achieve. With decay times reduced digitally and automatically, listeners experience clear sound devoid of boomy, smeared bass – as if the room itself didn’t exist.
Until now, managing bass response and room reflections required physical sound dampeners to be installed on the walls or other areas. In contrast, Dirac Live Active Room Treatment works much like the popular Active Noise Cancellation technology, using the system’s own speakers to actively cancel out unwanted wavelengths originating from other speakers. This is achieved by measuring the entire setup as a unified system, instead of targeting each speaker individually and applying advanced spatial optimisation to the entire system based on the needs of each unique room.
In many listening spaces, like home entertainment rooms, it can take a long time for bass to decay — or stop bouncing around the room — resulting in ringing or booming. Dirac Live Active Room Treatment automatically evaluates and adjusts the bass characteristics of the entire system, leveraging each speaker’s strengths to make up for any shortcomings in other speakers. This effectively turns passive speakers into active support units, strengthening the overall system.
“By actively optimising and coordinating bass response characteristics from all the speakers in a system, our latest Dirac Live feature reduces decay times to provide an incredibly dense and transparent audio experience in any room,” Mathias adds.
“Passive treatments for controlling low-end resonances have been around for years, but they’re not necessarily effective and require physical changes to the listening area, so most people don’t use them.”
Dirac Live Active Room Treatment will be included, at no additional fee, in all StormAudio Processors and AVRs ordered from January 1st 2023 onward and will be made available through a firmware update in Spring 2023.
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