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13<H1 align="left">AXART_VOLUME_ENV</H1>
14
15<H2>Syntax</H2>
16<dl><dd><pre class="construction">
17#include &lt;revolution.h&gt;
18#include &lt;revolution/axart.h&gt;
19
20typedef struct
21{
22    AXART_ART   art;
23
24    // runtime user parameters
25
26    s32         delta;
27    s32         target;
28    s32         attenuation;
29
30} AXART_VOLUME_ENV;
31</pre></dd></dl>
32
33<h2>Elements</h2>
34<TABLE class="arguments" border="1" >
35  <TR>
36<TH>art</TH>
37<TD>AXART articulator descriptor maintained by AXART. Do not write to this parameter.</TD>
38  </TR>
39  <TR>
40<TH>delta</TH>
41<TD>Volume attenuation delta per audio frame (0x00010000 = 0.1 dB).</TD>
42  </TR>
43  <TR>
44<TH>target</TH>
45<TD>Volume attenuation target (0x00010000 = 0.1 dB).</TD>
46  </TR>
47  <TR>
48<TH>attenuation</TH>
49<TD>Current envelope output.</TD>
50  </TR>
51</TABLE>
52
53<H2>Description</H2>
54<P><CODE>AXART_VOLUME_ENV</CODE> is a data structure used to describe a volume envelope sound articulator. This articulator will apply a volume attenuation delta for an <CODE>AXART_SOUND</CODE> until the volume attenuation reaches the target. Before calling <CODE>AXARTAddArticulator</CODE> for the <CODE>AXART_VOLUME_ENV</CODE>, the user application must call the <CODE>AXARTInitArtVolumeEnv</CODE> function.</P>
55
56<H2>See Also</H2>
57<P class="reference">
58<A href="AXARTInitArtVolumeEnv.html">AXARTInitArtVolumeEnv</A>,
59<A href="AXARTAddArticulator.html">AXARTAddArticulator</A>,
60<A href="AXART_ART.html">AXART_ART</A>,
61<A href="AXART_SOUND.html">AXART_SOUND</A>
62</P>
63
64<H2>Revision History</H2>
65<P>
662006/03/01 Initial version.<BR>
67</P>
68
69<hr><p>CONFIDENTIAL</p></body>
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