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7<title>SetBiquadFilterCoefficients</title>
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10<h1><CODE>nn::snd::CTR::Voice::SetBiquadFilterCoefficients</CODE> Member Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14void SetBiquadFilterCoefficients(
15     const <a href="../../../../nn/snd/CTR/BiquadFilterCoefficients/Overview.html">BiquadFilterCoefficients</a> * pCoeff
16);
17void SetBiquadFilterCoefficients(
18     const <a href="../../../../nn/snd/CTR/BiquadFilterCoefficients/Overview.html">BiquadFilterCoefficients</a> & coeff
19);
20</pre>
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22<h2>List of Overloaded Member Functions</h2>
23    <div class="section">
24      <table class="members">
25        <tr>
26          <td>
27<a href="./SetBiquadFilterCoefficients(0).html">SetBiquadFilterCoefficients ( const BiquadFilterCoefficients * ) </a>
28          </td>
29<td>Sets the coefficients for a biquad filter.</td>
30        </tr>
31        <tr>
32          <td>
33<a href="./SetBiquadFilterCoefficients(1).html">SetBiquadFilterCoefficients ( const BiquadFilterCoefficients & ) </a>
34          </td>
35<td>Sets the coefficients for a biquad filter.</td>
36        </tr> </table>
37    </div>
38<h2>SetBiquadFilterCoefficients ( const BiquadFilterCoefficients * ) Description</h2>
39<div class="section"><p><b>This function will be removed in future. Use one of the same name where the arguments are referenced.</b></p><p>
40The biquad filter output and frequency characteristics are represented as follows.
41      </p><p><pre>y(n) = n0 * x(n) + n1 * x(n-1) + n2 * x(n-2) + d1 * y(n-1) + d2 * y(n-2)</pre></p><p><pre>
42n0 + n1(Z^-1) + n2(Z^-2)
43H(z) = ----------------------------
441  - d1(Z^-1) - d2(Z^-2)</pre></p><p>
45The coefficients can all be specified as Q14-format 16-bit integers, comprising a 2-bit integer portion and a 14-bit fractional portion. Sounds may be clipped if the filter gain is higher than 1.
46      </p></div>
47<h2>SetBiquadFilterCoefficients ( const BiquadFilterCoefficients & ) Description</h2>
48    <div class="section"><p>
49The biquad filter output and frequency characteristics are represented as follows.
50      </p><p><pre>y(n) = n0 * x(n) + n1 * x(n-1) + n2 * x(n-2) + d1 * y(n-1) + d2 * y(n-2)</pre></p><p><pre>
51n0 + n1(Z^-1) + n2(Z^-2)
52H(z) = ----------------------------
531  - d1(Z^-1) - d2(Z^-2)</pre></p><p>
54The coefficients can all be specified as Q14-format 16-bit integers, comprising a 2-bit integer portion and a 14-bit fractional portion. Sounds may be clipped if the filter gain is higher than 1.
55      </p></div>
56  <hr><p>CONFIDENTIAL</p></body>
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