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| 3 | <head>
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| 4 | <title>libvorbis - function - vorbis_synthesis_halfrate</title>
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| 5 | <link rel=stylesheet href="style.css" type="text/css">
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| 6 | </head>
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| 7 |
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| 8 | <body bgcolor=white text=black link="#5555ff" alink="#5555ff" vlink="#5555ff">
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| 9 | <table border=0 width=100%>
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| 10 | <tr>
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| 11 | <td><p class=tiny>libvorbis documentation</p></td>
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| 12 | <td align=right><p class=tiny>libvorbis version 1.3.2 - 20101101</p></td>
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| 13 | </tr>
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| 14 | </table>
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| 15 |
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| 16 | <h1>vorbis_synthesis_halfrate</h1>
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| 17 |
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| 18 | <p><i>declared in "vorbis/codec.h";</i></p>
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| 19 |
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| 20 | <p>This function puts the Vorbis decoder into or out of half-rate
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| 21 | mode. In half-rate mode, the audio is decoded to only half its original
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| 22 | sampling rate. Half-rate mode speeds up decoding at the expense of
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| 23 | decoded audio quality.</p>
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| 24 |
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| 25 | <table border=0 color=black cellspacing=0 cellpadding=7>
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| 26 | <tr bgcolor=#cccccc>
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| 27 | <td>
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| 28 | <pre><b>
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| 29 | extern int vorbis_synthesis_halfrate(vorbis_info *v,int flag);
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| 30 | </b></pre>
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| 31 | </td>
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| 32 | </tr>
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| 33 | </table>
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| 34 |
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| 35 | <h3>Parameters</h3>
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| 36 | <dl>
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| 37 | <dt><i>v</i></dt>
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| 38 | <dd>The <a href="vorbis_info.html">vorbis_info</a> structure for the
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| 39 | decoder instance.</dd>
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| 40 | <dt><i>flag</i></dt>
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| 41 | <dd>Whether half-rate mode is to be turned on or off. Zero turns it off;
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| 42 | nonzero turns it on.</dd>
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| 43 | </dl>
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| 44 |
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| 45 |
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| 46 | <h3>Return Values</h3>
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| 47 | <blockquote>
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| 48 | <li>0 on success.</li>
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| 49 | <li>-1 if half-rate mode could not be set.</li>
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| 50 | </blockquote>
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| 51 | <p>
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| 52 |
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| 53 | <br><br>
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| 54 | <hr noshade>
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| 55 | <table border=0 width=100%>
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| 56 | <tr valign=top>
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| 57 | <td><p class=tiny>copyright © 2010 Xiph.Org</p></td>
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| 58 | <td align=right><p class=tiny><a href="https://xiph.org/vorbis/">Ogg Vorbis</a></p></td>
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| 59 | </tr><tr>
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| 60 | <td><p class=tiny>libvorbis documentation</p></td>
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| 61 | <td align=right><p class=tiny>libvorbis version 1.3.2 - 20101101</p></td>
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| 62 | </tr>
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| 63 | </table>
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| 64 |
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| 65 |
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| 66 | </body>
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| 67 |
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| 68 | </html>
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