EQ-Specific Features
The Audio EQ tool provides three bands of control:
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The first band, the low shelf, has four turnover points (50áHz, 80áHz,
120áHz, and 240áHz). A turnover point is the point at which the curve
starts to return to 0.
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A shelf affects all frequency values within the range of the shelf. The
low shelf affects all frequencies from 20áHz to the low shelf turnover
point.
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The second band is the parametric midrange. This band has two
bandwidth values: 1/4 octave and 2 octaves. These values control the
width of the curve.
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The third band, the high shelf, has four turnover points (6ákHz, 8ákHz,
12ákHz, and 15ákHz). The high shelf affects all frequencies from the
high shelf turnover point to 20ákHz.
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The horizontal center line of the graph is 0 (zero). As you move the curve below the zero line, the corresponding frequencies are deemphasized. Above the zero line, the corresponding frequencies are emphasized. The parametric midrange allows a smooth transition from deemphasized frequencies to emphasized frequencies.
The Enable/Disable EQ Effect button (IN) allows you to turn off an individual EQ effect (the currently selected effect). The button is yellow when the EQ effect is on (inline) and gray when the EQ effect is off.
The Bypass option turns off all EQ effects for the sequence. Rendered EQ effects still play correctly.
When you apply Audio EQ effects, consider the following:
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Audio EQ can be applied only to entire segments. You cannot use IN
to OUT points to isolate portions of a segment for an Audio EQ effect.
You must use add edits (match frames) to mark off a smaller segment.
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You can use IN to OUT points to select a range of complete segments
for applying an Audio EQ effect. Segments that fall within the marks,
either in part or whole, have the effect applied to them.
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The Audio EQ tool allows you to emphasize or deemphasize audio frequencies. The height of the curve in the bottom pane shows the amount of emphasis or deemphasis (also called boost or cut) that is being applied. The range is from +15ádB to –20ádB.
