Threshold line (1), Gain reduction (2), Zoom (9) – Sonnox Oxford SuprEsser User Manual

Page 34: Peak frequency (10)

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4.3 Graphical Screen Controls

4 DESCRIPTION OF CONTROLS

out, for example, what consonants they represent.

Gain Reduction Indicator

This red-note area gives a real-time indication of the shape and amount of occurring

gain reduction. The shape follows the slope indicators, and roughly corresponds to
the shape of the pink FFT region (see 7 above).

Threshold Line

This line shows the current threshold level. The line will wander up and down as the

general signal level rises and falls (unless you have switched the threshold to

‘Absolute’ mode). If you move the threshold line while there is no signal or a silent

signal present, you are setting the presumed level that will occur when the signal
returns. This will be indicated on the graph as a dotted line (or ghost threshold line).

Central FFT Peak

This holds for your attention that important frequency in the band window, which

has the peak energy. This will most likely indicate a consonant or fricative that you
may want to deal with. Clicking on this peak will then centre the band filter to this
frequency, and help to isolate it.

Zoom In/Out

This allows you to zoom-in or zoom-out when clicking and dragging. Additionally,

you can use the jog/scroll wheel forward/backward to achieve the same thing.

Useful Shortcuts

Jogwheel up/down or forward/backward to zoom in/out. Left/Right-Click anywhere

to centre the band filter to that point.

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