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Pro-C 2 kicks in the second time around with a setting featuring the Vocal algorithm. In this example, you’ll first hear a vocal line that had previously been compressed. Dialing in the right threshold or changing the input level lets you vary the amount of compression. The ratio and knee settings are not user adjustable in this algorithm, but rather are “Automatic,” which I assume means program dependent. Vocal: This setting gives you instant vocal compression that sounds smooth and finished. Pro-C 2 has taken those three and raised you five, for a total of eight compressor types. Between them you had a pretty nice selection of compressor flavors. The original Pro C offered three different ones choose from: Clean, Opto, and Classic. Now let's look at Pro-C 2's new algorithms.
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Pro-C 2 also introduces Retina Display support on Macs and High DPI support on Windows. If you don’t want to see the snazzy waveform display, you can press the Display button, and the only graphic readout will be the bar graph meters for Input, Output, and Gain Reduction. Two other size options, Medium and Small are also available. This is especially useful if you have a second monitor to show it on. You get a significant new option to open Pro-C 2 up in full-screen mode, which gives you a huge version of the display. In addition, a diagonal line representing the Knee setting goes across the screen, and it changes based on how you set the Knee slider and various parameters. This display is larger than the similar one in the original Pro C, and the red line is really helpful to see where the gain reduction happens. The waves with the straight lines are input, with ones with the squiggly lines are output, and the red line on top shows gain reduction. As soon as you send signal through the compressor, you’ll see a moving waveform display, which shows you that same information graphically. On the far right of the window are bar-graph style meters for input, gain reduction, and output. In its default state, Pro-C 2 provides a couple of different ways to visually interpret what the compressor is or isn’t doing. The new user interface adds more metering and display options to make it easier to see what’s going on with your signal. If you've ever used Pro C, you'll immediately notice that Pro-C 2 sports a redesigned GUI. The Knee indicator is the diagonal line coming up from the bottom left.