78 lines
4.5 KiB
HTML
78 lines
4.5 KiB
HTML
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<!doctype HTML public "-//W3C//DTD HTML 4.0 Frameset//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
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<meta name="generator" content="Adobe RoboHelp 9">
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<title>Parametric Equaliser</title>
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<link rel="StyleSheet" href="HtmlHelp.css" type="text/css">
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<style title="hcp" type="text/css">
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<!--
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font.hcp1 { font-family:Arial; }
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font.hcp2 { font-size:small; }
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p.hcp3 { font-size:10pt; }
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h4.hcp4 { font-size:10pt; }
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span.hcp5 { font-weight:bold; }
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span.hcp6 { font-size:10pt; }
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font.hcp7 { font-size:10pt; }
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-->
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</style>
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</head>
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<body>
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<h1 class="firstHeading">Parametric EQ Mono</h1>
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<p><font face="Arial" class="hcp1"><font size="3" class="hcp2"><img src="Parametric EQ Mono.jpg" alt="" border="0"></font></font></p>
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<p class="hcp3">A multi-function equaliser for corrective or
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creative frequency response control. This consists of a predetermined
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number of ‘bands’, each of which may have all parameters (i.e. Frequency,
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Bandwidth, Boost/Cut) controlled from a convenient graphics window.</p>
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<h4 class="hcp4">Inputs and Outputs</h4>
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<p class="hcp3">One audio output input and one audio output.</p>
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<h2 style="font-size: 10pt;"><font face="Arial" class="hcp1"><font size="3" class="hcp2">Properties</font></font></h2>
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<h4 class="hcp4">Number of Bands</h4>
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<p class="hcp3">Select the number of bands needed to perform
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your equalisation task. More bands can use more dsp power.</p>
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<h4>Low Frequency Optimisation</h4>
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<p>Defaults to YES.  Optimised IIR filter for improved low frequency
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performance.  This is optional to maintain backwards compatibility
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with existing designs.</p>
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<h2>Control Panel</h2>
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<p><font><font><font face="Arial" class="hcp1"><font size="3" class="hcp2"><img src="MAIN0129.gif" alt="MAIN0129.gif" title="MAIN0129.gif" style="margin-top: 0px; margin-bottom: 0px; margin-left: 0px;
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margin-right: 0px;" width="573" height="551" border="0"></font></font></font></font></p>
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<p class="hcp3">Most of the manipulation may be done in the
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graphics window, which also shows the actual combined response of the
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filters.<br>
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Empty squares (nodes) denote the current positions of the filters (in terms
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of frequency and boost/cut).<br>
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A solid square (the selected filter node) denotes the currently selected
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filter, and any adjustments made to the controls will affect this filter.<br>
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To create an additional EQ curve feature, click and drag a new filter up
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(or down) from the 0dB line.<br>
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Note that the right-click menu allows access to a filter 'bypass' function
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that allows an individual band of equalisation to be temporarily taken
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out of the signal path.</p>
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<p class="hcp3"><font size="3" class="hcp2"><span class="hcp5">Filter Type</span> <span style="font-size: small;">combo
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box</span><span class="hcp6"><br>
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Selects between bell, high-pass shelving or low-pass shelving shapes. May
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also be adjusted in a menu by right clicking on the filter node.</span></font></p>
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<p class="hcp3"><font size="3" class="hcp2"><span class="hcp5">Slope Type</span> combo box<span class="hcp6"><br>
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Allows the cut-off slope to be adjusted (for shelving shapes only).</span></font></p>
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<p class="hcp3"><font size="3" class="hcp2"><span class="hcp5">Frequency</span> control<span class="hcp6"><br>
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Adjusts the centre frequency of a bell filter, or the cut-off frequency
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of a shelving filter. May also be adjusted by moving the filter node in
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the graphics window horizontally using the mouse.</span></font></p>
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<p class="hcp3"><font size="3" class="hcp2"><span class="hcp5">Width</span> control<span class="hcp6"><br>
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Adjusts the bandwidth of the filter (bell shape only).<br>
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May also be adjusted by pressing the shift key and moving the filter node
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in the graphics window vertically using the mouse.</span></font></p>
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<p class="hcp3"><font size="3" class="hcp2"><span class="hcp5">Boost/Cut</span> control.<span class="hcp6"><br>
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May also be adjusted by moving the filter node in the graphics window vertically
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using the mouse. Shift+double click will return all of the boost/cut settings
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to 0dB.</span></font></p>
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<p style="margin-bottom: 0;"><font face="Arial" class="hcp1"><font size="3" class="hcp2"><font size="2" class="hcp7"><span style="font-weight: bold;
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font-size: 10pt;">Bypass</span> <span class="hcp6">button</span></font><span><font size="2" class="hcp7"><br>
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Removes the equaliser from the signal path.</font></span></font></font></p>
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</body>
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</html>
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