DSPeaker Anti-Mode 8033 cinema Manuale d'uso - Pagina 8
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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
A
M
8033
NTI
ODE
08.01.2010
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