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ANUAL
6.Advanced Calibration
Advanced calibration gives the user more control over the calibration parameters. The
procedure is similar to the typical calibration, but with some additional steps. Refer to
”Typical Calibration” section of this manual for an overview of the basic process.
To perform the advanced calibration, choose the Advanced Calibration option at the
Calibration menu.
➢
After choosing the relevant speaker configuration, the extra settings dialog will
appear.
Level compensation affects compensation for wide dips in the bass response.
Compensation has three levels, “Off”, “Norm” and “Max”. If the setting is “Off”,
no compensation to boost dips is applied, and the bass level remains as low as
it would be without room effect. This gives maximum headroom for the user to
design custom boosting filters, such as House Curve or Parametric EQs. The
“norm” setting applies a mild compensation, which is the same amount that
“Typical” calibration is using. This setting usually gives the best audible result as
the perceived level of the bass is closer to the uncorrected average bass level
than with the uncompensated “Off” setting. When selecting “Max”, maximum
compensation is used, which gives about +2dB more gain for boosting filters.
This setting is beneficial in spaces where part of the problem is the general lack
of bass, possibly resulted by the absence of proper acoustic barriers. It is good
to remember that destructive reflection nulls can not, will not, and should not be
attempted to be corrected by any DSP.
Note: you can also adjust the compensation level afterwards from the
Compensation
setting in the
Audio Settings
menu.
➢
Select the desired amount of compensation and press the
OK
button to proceed.
➢
The next dialog controls the time-alignment of channels.
There are three possible options: Auto-detect, Off and Manual. It is advised to
use the auto-detect for subwoofers and “Off” for the full-range speakers, as the
full-range speakers are assumed to be equidistant from the listener. Note that
optimal acoustic delay is not always the same as physical distance to the
subwoofers: because of this the automatic detection is advised to be used
always on subwoofers. If the manual setting is chosen, the compensation delay
for each channel for subwoofers / speakers can be entered to the corresponding
Rev. 1.0
2013-06-04
Page 24 (32)
