mirror of https://github.com/mpv-player/mpv
af_extrastereo, af_volnorm
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@13591 b3059339-0415-0410-9bf9-f77b7e298cf2
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@ -3032,6 +3032,14 @@ mmapped_file: file to map data to (default: ~/.mplayer/\:mplayer-af_export)
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.br
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nsamples: number of samples per channel (default: 512)
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.REss
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.IPs extrastereo[=mul]
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Increases the difference between left and right channels to add some
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sort of "live" effect to playback.
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.RSss
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mul: difference coefficient (default: 2.5)
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.REss
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.IPs volnorm
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Maximizes the volume without distorting the sound.
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.RE
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.
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.TP
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@ -986,6 +986,50 @@ would export 1024 samples per channel to <filename>/tmp/mplayer-af_export</filen
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</para>
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</sect4>
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<sect4 id="af_extrastereo">
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<title>Extrastereo</title>
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<para>
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This audio filter (linearly) increases the difference between left and
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right channels (like the <application>XMMS</application> extrastereo
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plugin) which adds some sort of "live" effect to playback.
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This filter has one parameter:</para>
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<variablelist>
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<varlistentry>
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<term><option>mul</option></term>
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<listitem><para>
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is the difference coefficient, an optional floating point number that defaults
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to <literal>2.5</literal>. If you set it to <literal>0.0</literal>, you will
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have mono sound (average of both channels). If you set it to
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<literal>1.0</literal>, sound will be unchanged, if you set it to
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<literal>-1.0</literal>, left and right channels will be swapped.
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</para></listitem>
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</varlistentry>
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</variablelist>
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<para>
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Usage:
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<screen>
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mplayer -af extrastereo <replaceable>media.avi</replaceable>
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mplayer -af extrastereo=3.45 <replaceable>media.avi</replaceable><!--
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--></screen>
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</para>
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</sect4>
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<sect4 id="af_volnorm">
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<title>Volume normalizer</title>
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<para>
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This audio filter maximizes the volume without distorting the sound.
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</para>
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<para>
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Usage:
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<screen>mplayer -af volnorm <replaceable>media.avi</replaceable></screen>
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</para>
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</sect4>
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</sect3>
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<sect3 id="audio-plugins">
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