Metric-halo ChannelStrip 3 User Manual download pdf (Page 32)

Operation

For the main output stage of ChannelStrip we have provided meters driven with SpectraFoo™ metering tech-

nology. These meters show, in addition to the peak metering provided for the input stages, RMS level and VU

level. The peak level is represented by the floating colored bar, the RMS level by the solid colored bar and the

VU level by the overlaid gray bar. Both the Peak and RMS level are represented with fast PPM ballistics. The

VU meter shows IEEE standard 300 ms RMS average level. When ChannelStrip is on a mono insert there will

be a single meter. When ChannelStrip is running in stereo mode the left meter shows the left channel output

level and the right meter shows the right channel output level. The output section clip lights activate if there is

an over in the output stage or in any of the processing section input stages. It is reset by clicking on the meter;

Mac ⌥ (Option)–click or Windows Alt-click to reset the clip lights on all the meters.

A Note About Clipping Indicators:

The clip lights do not mean that the plug-in is clipping; it means that the audio level in the DSP is

currently over 0 dBFS. If you do not lower the signal level you run a chance of actually clipping the

input of another processor or D/A convertor.

EQ Transfer Function

Figure 4.24: EQ Transfer Function

The following information applies to the EQ processing block as well as the sidechain filters of the gate and

compressor.

The EQ transfer function is a combination of a visual representation of how the EQ is processing the signal

and an intuitive controller for the associated filter bands. This display is sometimes called a “Cartesian Graph”

by other EQ manufacturers.

The horizontal axis provides frequency calibration in Hertz (Hz). The vertical axis provides level calibration

in decibels (dBr). The heavy green line indicates the relative change in level at each frequency that is created

by the combined effects of all of the active bands in the equalizer. Each EQ band is represented by a colored

dot in the transfer function. The color of the dot matches the color of the rings around the knobs for the

corresponding EQ band.

The band that is currently being edited will be displayed along with the overall response curve. If the associated

band is a parametric filter there will also be two smaller colored dots that can be used to control the bandwidth

of the filter. Clicking on a large colored dot and dragging will allow you to adjust the frequency and gain of the

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Metric-halo ChannelStrip 3 User Manual Page 32