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digital roomcorrection

hey akuankka,

room-correction is a mighty tool to compensate for less than ideal room conditions but let me state upfront that it´s not able to turn a miserable room into a perfect one.
on the other hand, FIR filtering (that´s the real name of the technique) can be a very, very convincing method of optimizing even top-end systems.

in short, this DSP (digital sound processing) tech runs a sequence of test procedures of your speakers in your room and calculates mirrored (or reversed) filter that corrects amplitude, phase and reflections for the individual speakers.
this filter is looped into your playback and the result can be absolutely staggering if done right !!

I´m not sure if the lyngdorf roomcorection method is soo state-of the-art anymore, as digital resolution is very important and some newer systems does operate with up to more than 130.000 corrections per second. that requires a bit more costly processing power.
one of the hurdles with lyngdorf seems that it´s not flexible enough to deal with dipoles....

the most intelligent solution on the market comes from DEQX (digital crossover ability included), but if one is using a computer hard-disk playback it can be made for a little less cash.
audiolense, acourate, holmDSP and crossvolver are softwares that can establish FIR filtering in computer audio.

I would welcome that we got a new separate section for room-correction on this asylum....it´s definitely a technique in progress !


kind regards





Hysolid // Mytek Brooklyn // Spectron Musician III // Analysis Audio Omega

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