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3. Wider area correction

In some situations it is more favourable to compensate the room acoustics for a larger area.

In this case, the result is no longer optimal in any single listening position, but generally

improved for a wider area. Before wider area correction, the normal calibration procedure

described in the earlier section must be performed. The initial calibration is done with the

microphone at the center of the listening area (or primary listening position within the area).

AntiMode 8033 is calibrated to larger area by taking the microphone to some other point

within the listening area. Pressing and holding button B, bypass (Figure 1, object 3) will

initiate a single additional frequency sweep. AntiMode 8033 will use it in conjunction with the

data gathered at the first calibration to create a compensation model for a larger listening

area within the room.

Do not accidentally press and keep both buttons at the front panel, as this will start main

calibration all over again and overrides the current room data.

Wider area calibration can be done multiple times and it does not lose the data from the

main calibration. Thus it is easy to try different second phase calibration points for the best

audible result. There are several strategies in choosing the microphone position for second

phase calibration.

3.1. Strategy 1, "Compensation of the weakest point":

When the first (main) calibration is performed to the primary listening position or to the

center of the listening area, one can already evaluate the result by listening it at different

positions. If the result is not adequate at some location, this spot could be used as a second

phase calibration point. Also any location between this point and the first point can lead to

good results. Inevitably, the result will get less optimal in the first point, but usually improved

a lot everywhere else including the weakest point.

Rev. 1.6

8033

NTI

ODE

08.01.2010

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