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Originally Posted by jeff_free69  I seem to remember reading somewhere that it takes about 13 measurements. That's an average of less than 2 / octave. |
By "measurements" they mean different places around the room, not the number of frequencies measured. The Audyssey system uses a sine wave sweep, so it hits all frequencies.
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My room is well trapped with RealTraps and some DIY versions, so it isn't as bad as it was, but I've never measured it.
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ARC is not the best way to measure. Much better is dedicated software:
ETF, Windows, $150 FuzzMeasure, Mac, $150 Room EQ Wizard, Windows and Mac and Linux, Freeware This article explains how I use ETF, but the principles apply to all such programs.
--Ethan