Founded in 2001, Dirac Research is a world leading R&D company specializing in high-performance digital sound optimization, room correction and sound field synthesis. The company was founded by researchers from the Signals & Systems Group of Uppsala University, Sweden.

The company's experience was gained in some of the harshest environments for sound equipment. It worked with many leading names within the high-end automotive industry to produce in-car systems that delivered a very high quality listening experience. Dirac Research used this learning to develop a series of products for the professional and home sound markets.

Datasat Digital Entertainment began working with Dirac Research in 2008 to bring its Dirac Live® room optimization technology to professional cinema. With the launch of the Datasat RS20i, that technology is now available for the luxury home cinema market.


The key challenge for every sound system is to reproduce the audio the way it was intended by the artist or producer. There are many elements that will affect how the audio actually sounds when played. The acoustic behavior of your room and your speakers is an area of real importance that some processors have been unable to compensate for in the past.

Dirac Live® is the most advanced room optimization technology available. It digitally optimizes the output of each speaker so that the sound can be perfectly adjusted to the specific listening environment. This involves careful measurement and calibration so that distortions and interference are reduced or eliminated to deliver a transparent, true-to-source sound.

This technology is the first to provide true impulse response correction. In essence, it corrects against the way a speaker delivers sound so that the speaker operates correctly. For example, a sub woofer is effectively prepared to deliver the bass punch. Settling time is shortened, distortion reduced and the sound becomes cleaner and crisper.

With a wide array of room correction features, Dirac Live® achieves outstanding levels of sound localization and transparency. The more localized a sound event, the more natural it sounds for the listener. This can make the listener feel like they are at the centre of the action when replayed on their home cinema system.

Our partnership with Dirac Research has given us a real advantage in delivering much better audio performance. The Datasat RS20i is currently the only home cinema processor to feature Dirac Live®.      


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