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Chapter 8 Metering tools 15 6
Surround MultiMeter Balance/Correlation
The Surround MultiMeter’s Correlation Meter gauges the balance or sound placement between
all incoming signals. Strongly correlated signals are shown as sharp markers and less strongly
correlated signals as a blurred area.
Click the Balance/Correlation button to view the Correlation Meter in the main display.
Depending on the chosen surround format, a number of points that indicate speaker positions
are shown (L, R, C, Ls, Rs in a 5.1 conguration are displayed in the gure). Lines connect these
points. The center position of each connecting line is indicated by a blue marker.
A gray ball indicates the surround eld/sound placement. As you move the surround panner of
the channel strip, the ball in the Correlation Meter mirrors your movements. The blue markers
also move in real time, with shaded gray lines indicating the divergence from the centered
positions on each of the connecting lines.
The LFE channel Correlation Meter is shown at the bottom of the main display. The horizontal
area around the white correlation indicator denotes phase correlation deviations in real time.
This is shown in both directions. A vertical red line to the left of the correlation indicator shows
the maximum negative phase deviation value. You can reset this line by clicking it during
playback.
The LFE Correlation Meter’s scale values indicate the following:
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A +1 correlation value indicates that the signal is balanced.
•
Correlation values in the blue zone (between +1 and the middle position) indicate that the
signal is mono compatible.
•
The middle position indicates the highest allowable amount of channel divergence.
•
When the meter moves into the red area to the left of the center position, out-of-balance
material is present.