DSPeaker Anti-Mode 8033 cinema Podręcznik użytkownika - Strona 11
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A
-M
8033
/ 8033S-II
NTI
ODE
CINEMA
3.1. Strategy 1, "Compensation of the worst response point"
When the first (main) calibration is performed at the primary listening position or at the center of
the listening area, you can then evaluate the result by listening at different positions around the
room.
If the result is not adequate at some location, that location can be used as a secondary calibration
point. Also any location between the secondary point and the first point can lead to good results.
Inevitably, the result will get less optimal at the first point, but is usually improved everywhere else,
including the worst response point.
3.2. Strategy 2, "Gradient compensation"
If it is difficult to find the worst response point in the listening area, Gradient compensation is a
good approach. Find the secondary calibration point by moving the microphone from the first
calibration point toward the closest corner of the listening room by 40-90 cm (16 to 36 inches) and
downwards (towards the floor) approximately 10-20 cm (4 to 8 inches).
Perform the secondary calibration with the microphone in this position. If the first calibration point
was closer than a meter (39 inches) from the wall, the microphone should be moved only about
20-40 cm (8 to 16 inches) towards that wall for the secondary calibration.
The Gradient compensation method works well in removing the resonances arising from
reflections between opposing walls or floor/ceiling (axial modes) for larger areas in a rectangular
room.
Rev. 2.0
18.06.2012
Page 11 (20)