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14<h1 align="left">AXGetLpfCoefs</h1>
15
16
17<h2>C Specification</h2>
18<BLOCKQUOTE>
19<pre><code>#include &lt;revolution.h&gt;
20
21void AXGetLpfCoefs(u16 freq, u16 *a0, u16 *b0);</CODE></pre>
22</BLOCKQUOTE>
23<h2>Arguments</h2>
24
25<table border="1" cellpadding="3" cellspacing="0.1">
26  <tr>
27    <td width="120" bgcolor="#ffffe8">
28<p><em><strong><font face="Courier New">freq</font></strong></em></p>
29      </td>
30    <td width="520">
31<p>Cut-off frequency of the low-pass filter in Hertz (Hz), must be within the range 0 &lt;= <EM><STRONG>freq</STRONG></EM> &lt;= 16,000.</p>
32      </td>
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36<p><em><strong><font face="Courier New">*a0</font></strong></em></p>
37      </td>
38    <td width="520">
39<p>Pointer to the coefficient <EM><STRONG>a0</STRONG></EM>.</p>
40      </td>
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43    <td width="120" bgcolor="#ffffe8">
44<p><em><strong><font face="Courier New">*b0</font></strong></em></p>
45      </td>
46    <td width="520">
47<p>Pointer to the coefficient <EM><STRONG>b0</STRONG></EM>.</p>
48      </td>
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50</table>
51
52<h2>Return Values</h2>
53<P>None.</P>
54<h2>Description</h2>
55<P><CODE>AXGetLpfCoefs()</CODE> gets the values a0 and b0. a0 and b0 can be passed to <code><a href="../Voice_Parameters/AXSetVoiceLpfCoefs.html">AXSetVoiceLpfCoefs()</a></code> or used as low-pass filter coefficients when setting the <code><a href="../Parameter_Blocks/AXPBLPF_lpf.html">AXPBLPF</a></code> structure.</P>
56<P><CODE>AXGetLpfCoefs()</CODE> does the same calculation that is shown in <code><a href="../Parameter_Blocks/AXPBLPF_lpf.html">AXPBLPF</a></code> structure page.</P>
57<h2>See Also</h2>
58
59<p>
60<font face="Courier New"><a href="../Parameter_Blocks/AXPBLPF_lpf.html">axvpb.pb.lpf</a><br> <a href="../Voice_Parameters/AXSetVoiceLpf.html">AXSetVoiceLpf</a><br> <a href="../Voice_Parameters/AXSetVoiceLpfCoefs.html">AXSetVoiceLpfCoefs</a><br></font>
61</p>
62<H2>Revision History</H2>
63<P>2006/03/01 Initial version.</P><hr>
64<P>CONFIDENTIAL</p>
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