supernova: fixes for boost-1.49 and gcc-4.7
[supercollider.git] / Help / UGens / Filters / BEQSuite / BHiPass.html
blob6cc2c1e400e80e88df88bac178e8740f6245d8ba
1 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
2 <html>
3 <head>
4 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
5 <meta http-equiv="Content-Style-Type" content="text/css">
6 <title></title>
7 <meta name="Generator" content="Cocoa HTML Writer">
8 <meta name="CocoaVersion" content="949.43">
9 <style type="text/css">
10 p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica}
11 p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica; min-height: 14.0px}
12 p.p3 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica; color: #001bb9}
13 p.p4 {margin: 0.0px 0.0px 0.0px 0.0px; font: 9.0px Monaco; min-height: 12.0px}
14 p.p5 {margin: 0.0px 0.0px 0.0px 0.0px; font: 12.0px Helvetica; color: #0021e7}
15 p.p6 {margin: 0.0px 0.0px 0.0px 0.0px; font: 9.0px Monaco}
16 p.p7 {margin: 0.0px 0.0px 0.0px 0.0px; font: 9.0px Monaco; color: #001bb9}
17 span.s1 {font: 18.0px Helvetica}
18 span.s2 {font: 15.0px Helvetica}
19 span.s3 {color: #000000}
20 span.s4 {color: #0021e7}
21 span.s5 {font: 9.0px Monaco; color: #000000}
22 span.s6 {font: 12.0px Helvetica}
23 span.s7 {color: #001bb9}
24 span.s8 {color: #2c7014}
25 span.s9 {color: #ad140d}
26 span.Apple-tab-span {white-space:pre}
27 </style>
28 </head>
29 <body>
30 <p class="p1"><span class="s1"><b>BHiPass</b></span><span class="s2"><b><span class="Apple-tab-span"> </span></b></span><b>12db/oct rolloff - 2nd order resonant<span class="Apple-converted-space">  </span>Hi Pass Filter.</b></p>
31 <p class="p2"><br></p>
32 <p class="p3"><span class="s3"><b>Inherits from: </b><a href="../../../Core/Object.html"><b>Object</b></a></span><b> : </b><a href="../../../Core/Kernel/AbstractFunction.html"><span class="s4"><b>AbstractFunction</b></span></a><b> : </b><a href="../../UGen.html"><span class="s4"><b>UGen</b></span></a><b> : </b><a href="../../Filter.html"><span class="s4"><b>Filter</b></span></a><b> : </b><a href="BEQSuite.html"><b>BEQSuite</b></a></p>
33 <p class="p4"><br></p>
34 <p class="p1"><b>BHiPass.ar(in, freq, rq, mul, add)</b></p>
35 <p class="p4"><br></p>
36 <p class="p1"><b>in</b> - input signal to be processed</p>
37 <p class="p1"><b>freq</b> - cutoff frequency.</p>
38 <p class="p1"><b>rq</b> - the reciprocal of Q.<span class="Apple-converted-space">  </span>bandwidth / cutoffFreq.<span class="Apple-converted-space"> </span></p>
39 <p class="p4"><br></p>
40 <p class="p1"><b>*sc(dummy, freq, rq)</b></p>
41 <p class="p1"><span class="Apple-tab-span"> </span>calculate filter coefficients.</p>
42 <p class="p2"><span class="Apple-tab-span"> </span></p>
43 <p class="p1">The B equalization suite is based on the Second Order Section (<b>SOS</b>) biquad UGen.</p>
44 <p class="p2"><br></p>
45 <p class="p1">note: Biquad coefficient calculations imply certain amount of CPU overhead. These plugin UGens contain optimizations such that the coefficients get updated only when there has been a change to one of</p>
46 <p class="p1">the filter's parameters. This can cause spikes in CPU performance and should be considered when using several of these units.</p>
47 <p class="p4"><br></p>
48 <p class="p5"><span class="s3">see also:</span><span class="s5"> <a href="../SOS.html"><span class="s6"><b>SOS</b></span></a></span><span class="s3"><b>, </b><a href="BLowPass.html"><b>BLowPass</b></a><b>, </b><a href="BLowPass4.html"><b>BLowPass4</b></a><b>, </b><a href="BHiPass4.html"><b>BHiPass4</b></a><b>, </b><a href="BPeakEQ.html"><b>BPeakEQ</b></a><b>, </b><a href="BLowShelf.html"><b>BLowShelf</b></a><b>, </b><a href="BHiShelf.html"><b>BHiShelf</b></a><b>, </b><a href="BBandPass.html"><b>BBandPass</b></a><b>, </b><a href="BBandStop.html"><b>BBandStop</b></a><b>, </b><a href="BAllPass.html"><b>BAllPass</b></a><b>.</b></span></p>
49 <p class="p4"><br></p>
50 <p class="p4"><br></p>
51 <p class="p6">s.boot;</p>
52 <p class="p6">(</p>
53 <p class="p6">z = {</p>
54 <p class="p7"><span class="s3"><span class="Apple-tab-span"> </span></span>BHiPass<span class="s3">.ar(</span></p>
55 <p class="p6"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><span class="s7">SoundIn</span>.ar([0,1]),</p>
56 <p class="p6"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><span class="s7">MouseX</span>.kr(10,20000,<span class="s8">\exponential</span>), <span class="s9">// cutoff freq.</span></p>
57 <p class="p6"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span><span class="s7">MouseY</span>.kr(0.0, 1.0, <span class="s8">\linear</span>), <span class="s9">// rq</span></p>
58 <p class="p6"><span class="Apple-tab-span"> </span><span class="Apple-tab-span"> </span>0.5); <span class="s9">// mul</span></p>
59 <p class="p6">}.play</p>
60 <p class="p6">)</p>
61 <p class="p6">z.release;</p>
62 </body>
63 </html>