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| <a href="#gst-plugins-good-plugins-equalizer-3bands.synopsis" class="shortcut">Top</a> |
| | |
| <a href="#gst-plugins-good-plugins-equalizer-3bands.description" class="shortcut">Description</a> |
| | |
| <a href="#gst-plugins-good-plugins-equalizer-3bands.object-hierarchy" class="shortcut">Object Hierarchy</a> |
| | |
| <a href="#gst-plugins-good-plugins-equalizer-3bands.implemented-interfaces" class="shortcut">Implemented Interfaces</a> |
| | |
| <a href="#gst-plugins-good-plugins-equalizer-3bands.properties" class="shortcut">Properties</a> |
| </td></tr> |
| </table> |
| <div class="refentry"> |
| <a name="gst-plugins-good-plugins-equalizer-3bands"></a><div class="titlepage"></div> |
| <div class="refnamediv"><table width="100%"><tr> |
| <td valign="top"> |
| <h2><span class="refentrytitle"><a name="gst-plugins-good-plugins-equalizer-3bands.top_of_page"></a>equalizer-3bands</span></h2> |
| <p>equalizer-3bands — Direct Form 3 band IIR equalizer</p> |
| </td> |
| <td valign="top" align="right"></td> |
| </tr></table></div> |
| <div class="refsynopsisdiv"> |
| <a name="gst-plugins-good-plugins-equalizer-3bands.synopsis"></a><h2>Synopsis</h2> |
| <a name="GstIirEqualizer3Bands"></a><pre class="synopsis">struct <a class="link" href="gst-plugins-good-plugins-equalizer-3bands.html#GstIirEqualizer3Bands-struct" title="struct GstIirEqualizer3Bands">GstIirEqualizer3Bands</a>; |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-equalizer-3bands.object-hierarchy"></a><h2>Object Hierarchy</h2> |
| <pre class="synopsis"> |
| <a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GObject">GObject</a> |
| +----<a href="http://library.gnome.org/devel/gobject/unstable/gobject-The-Base-Object-Type.html#GInitiallyUnowned">GInitiallyUnowned</a> |
| +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstObject.html">GstObject</a> |
| +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstElement.html">GstElement</a> |
| +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer-libs/html/GstBaseTransform.html">GstBaseTransform</a> |
| +----<a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gst-plugins-base-libs/html/gst-plugins-base-libs-gstaudiofilter.html#GstAudioFilter">GstAudioFilter</a> |
| +----<a class="link" href="GstIirEqualizer.html" title="GstIirEqualizer">GstIirEqualizer</a> |
| +----GstIirEqualizer3Bands |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-equalizer-3bands.implemented-interfaces"></a><h2>Implemented Interfaces</h2> |
| <p> |
| GstIirEqualizer3Bands implements |
| <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstChildProxy.html">GstChildProxy</a> and <a href="http://gstreamer.freedesktop.org/data/doc/gstreamer/head/gstreamer/html/GstPreset.html">GstPreset</a>.</p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-equalizer-3bands.properties"></a><h2>Properties</h2> |
| <pre class="synopsis"> |
| "<a class="link" href="gst-plugins-good-plugins-equalizer-3bands.html#GstIirEqualizer3Bands--band0" title='The "band0" property'>band0</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> : Read / Write |
| "<a class="link" href="gst-plugins-good-plugins-equalizer-3bands.html#GstIirEqualizer3Bands--band1" title='The "band1" property'>band1</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> : Read / Write |
| "<a class="link" href="gst-plugins-good-plugins-equalizer-3bands.html#GstIirEqualizer3Bands--band2" title='The "band2" property'>band2</a>" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> : Read / Write |
| </pre> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-equalizer-3bands.description"></a><h2>Description</h2> |
| <p> |
| The 3-band equalizer element allows to change the gain of a low frequency, |
| medium frequency and high frequency band. |
| </p> |
| <p> |
| </p> |
| <div class="refsect2"> |
| <a name="idp7224000"></a><h3>Example launch line</h3> |
| <div class="informalexample"> |
| <table class="listing_frame" border="0" cellpadding="0" cellspacing="0"> |
| <tbody> |
| <tr> |
| <td class="listing_lines" align="right"><pre>1</pre></td> |
| <td class="listing_code"><pre class="programlisting">gst<span class="gtkdoc opt">-</span>launch<span class="gtkdoc opt">-</span><span class="number">1.0</span> filesrc location<span class="gtkdoc opt">=</span>song<span class="gtkdoc opt">.</span>ogg <span class="gtkdoc opt">!</span> oggdemux <span class="gtkdoc opt">!</span> vorbisdec <span class="gtkdoc opt">!</span> audioconvert <span class="gtkdoc opt">!</span> equalizer<span class="gtkdoc opt">-</span><span class="number">3</span>bands band1<span class="gtkdoc opt">=</span><span class="number">6.0</span> <span class="gtkdoc opt">!</span> alsasink</pre></td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| This raises the volume of the 2nd band, which is at 1110 Hz, by 6 db. |
| </div> |
| <p> |
| </p> |
| <div class="refsynopsisdiv"> |
| <h2>Synopsis</h2> |
| <div class="refsect2"> |
| <a name="idp7630416"></a><h3>Element Information</h3> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term">plugin</span></p></td> |
| <td> |
| <a class="link" href="gst-plugins-good-plugins-plugin-equalizer.html#plugin-equalizer">equalizer</a> |
| </td> |
| </tr> |
| <tr> |
| <td><p><span class="term">author</span></p></td> |
| <td>Stefan Kost <ensonic@users.sf.net></td> |
| </tr> |
| <tr> |
| <td><p><span class="term">class</span></p></td> |
| <td>Filter/Effect/Audio</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="idp13362720"></a><h3>Element Pads</h3> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term">name</span></p></td> |
| <td>sink</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">direction</span></p></td> |
| <td>sink</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">presence</span></p></td> |
| <td>always</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">details</span></p></td> |
| <td>audio/x-raw, format=(string){ S16LE, F32LE, F64LE }, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ], layout=(string)interleaved</td> |
| </tr> |
| </tbody> |
| </table></div> |
| <div class="variablelist"><table border="0" class="variablelist"> |
| <colgroup> |
| <col align="left" valign="top"> |
| <col> |
| </colgroup> |
| <tbody> |
| <tr> |
| <td><p><span class="term">name</span></p></td> |
| <td>src</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">direction</span></p></td> |
| <td>source</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">presence</span></p></td> |
| <td>always</td> |
| </tr> |
| <tr> |
| <td><p><span class="term">details</span></p></td> |
| <td>audio/x-raw, format=(string){ S16LE, F32LE, F64LE }, rate=(int)[ 1000, 2147483647 ], channels=(int)[ 1, 2147483647 ], layout=(string)interleaved</td> |
| </tr> |
| </tbody> |
| </table></div> |
| </div> |
| </div> |
| <p> |
| </p> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-equalizer-3bands.details"></a><h2>Details</h2> |
| <div class="refsect2"> |
| <a name="GstIirEqualizer3Bands-struct"></a><h3>struct GstIirEqualizer3Bands</h3> |
| <pre class="programlisting">struct GstIirEqualizer3Bands;</pre> |
| <p> |
| </p> |
| </div> |
| </div> |
| <div class="refsect1"> |
| <a name="gst-plugins-good-plugins-equalizer-3bands.property-details"></a><h2>Property Details</h2> |
| <div class="refsect2"> |
| <a name="GstIirEqualizer3Bands--band0"></a><h3>The <code class="literal">"band0"</code> property</h3> |
| <pre class="programlisting"> "band0" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> : Read / Write</pre> |
| <p>gain for the frequency band 100 Hz, ranging from -24.0 to +12.0.</p> |
| <p>Allowed values: [-24,12]</p> |
| <p>Default value: 0</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstIirEqualizer3Bands--band1"></a><h3>The <code class="literal">"band1"</code> property</h3> |
| <pre class="programlisting"> "band1" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> : Read / Write</pre> |
| <p>gain for the frequency band 1100 Hz, ranging from -24.0 to +12.0.</p> |
| <p>Allowed values: [-24,12]</p> |
| <p>Default value: 0</p> |
| </div> |
| <hr> |
| <div class="refsect2"> |
| <a name="GstIirEqualizer3Bands--band2"></a><h3>The <code class="literal">"band2"</code> property</h3> |
| <pre class="programlisting"> "band2" <a href="http://library.gnome.org/devel/glib/unstable/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> : Read / Write</pre> |
| <p>gain for the frequency band 11 kHz, ranging from -24.0 to +12.0.</p> |
| <p>Allowed values: [-24,12]</p> |
| <p>Default value: 0</p> |
| </div> |
| </div> |
| </div> |
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