A survey of Room Correction devices - Meridian, TacT, Lyngdorf

In the next couple of articles I'm going to create a comprehensive directory of the room correction products available on the market and assess them against the functional criteria that have been explained in the last two articles (here and here). Today I'm covering Meridian (the 861 and G68 surround processors), TacT (including the 2.2XP) and Lyngdorf. Future articles will examine Audyssey, Velodyne and DSPeaker.

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Room Correction: A Primer

Much confusion still exists about what a room correction product does, what problems it can (and cannot) solve and therefore its 'place' in a modern high quality sound reproduction system. Part of the challenge of understanding room correction is that it requires a reasonable level of understanding of sound quality, acoustic science, acoustic measurement and psychoacoustics (how humans perceive sound). The majority of the articles I have read online or in print magazines do not cover the fundamentals in enough depth to allow the curious and committed reader a chance to understand room correction on anything more than a cursory level. By the end of this article I hope that you will have learnt enough to judge for yourself what room correction can and cannot do and how best to apply it in the context of a world class music or home theater system.

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