| 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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| 7 | <!ENTITY alsa-utils-download-http "&alsa-download-http;/utils/alsa-utils-&alsa-utils-version;.tar.bz2">
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| 8 | <!ENTITY alsa-utils-download-ftp "&alsa-download-ftp;/utils/alsa-utils-&alsa-utils-version;.tar.bz2">
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| 9 | <!ENTITY alsa-utils-md5sum "dfe4bb5d3217f3ec662b172ce8397cf0">
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| 10 | <!ENTITY alsa-utils-size "958 KB">
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| 11 | <!ENTITY alsa-utils-buildsize "8.1 MB">
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| 12 | <!ENTITY alsa-utils-time "0.1 SBU">
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| 13 | ]>
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| 14 |
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| 15 | <sect1 id="alsa-utils" xreflabel="ALSA Utilities-&alsa-utils-version;">
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| 16 | <?dbhtml filename="alsa-utils.html"?>
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| 17 |
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| 18 | <sect1info>
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| 19 | <othername>$LastChangedBy$</othername>
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| 20 | <date>$Date$</date>
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| 21 | </sect1info>
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| 22 |
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| 23 | <title>ALSA Utilities-&alsa-utils-version;</title>
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| 24 |
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| 25 | <indexterm zone="alsa-utils">
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| 26 | <primary sortas="a-ALSA-Utilities">ALSA Utilities</primary>
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| 27 | </indexterm>
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| 28 |
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| 29 | <sect2 role="package">
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| 30 | <title>Introduction to ALSA Utilities</title>
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| 31 |
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| 32 | <para>The <application>ALSA Utilities</application> package contains
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| 33 | various utilities which are useful for controlling your sound card.</para>
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| 34 |
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| 35 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 36 | <itemizedlist spacing="compact">
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| 37 | <listitem>
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| 38 | <para>Download (HTTP): <ulink url="&alsa-utils-download-http;"/></para>
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| 39 | </listitem>
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| 40 | <listitem>
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| 41 | <para>Download (FTP): <ulink url="&alsa-utils-download-ftp;"/></para>
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| 42 | </listitem>
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| 43 | <listitem>
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| 44 | <para>Download MD5 sum: &alsa-utils-md5sum;</para>
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| 45 | </listitem>
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| 46 | <listitem>
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| 47 | <para>Download size: &alsa-utils-size;</para>
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| 48 | </listitem>
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| 49 | <listitem>
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| 50 | <para>Estimated disk space required: &alsa-utils-buildsize;</para>
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| 51 | </listitem>
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| 52 | <listitem>
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| 53 | <para>Estimated build time: &alsa-utils-time;</para>
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| 54 | </listitem>
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| 55 | </itemizedlist>
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| 56 |
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| 57 | <bridgehead renderas="sect3">ALSA Utilities Dependencies</bridgehead>
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| 58 |
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| 59 | <bridgehead renderas="sect4">Required</bridgehead>
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| 60 | <para role="required"><xref linkend="alsa-lib"/></para>
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| 61 |
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| 62 | <para condition="html" role="usernotes">User Notes:
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| 63 | <ulink url="&blfs-wiki;/alsa-utils"/></para>
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| 64 |
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| 65 | </sect2>
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| 66 |
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| 67 | <sect2 role="installation">
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| 68 | <title>Installation of ALSA Utilities</title>
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| 69 |
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| 70 | <para>Install <application>ALSA Utilities</application> by
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| 71 | running the following commands:</para>
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| 72 |
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| 73 | <screen><userinput>./configure &&
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| 74 | make</userinput></screen>
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| 75 |
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| 76 | <para>This package does not come with a test suite.</para>
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| 77 |
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| 78 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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| 79 |
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| 80 | <screen role="root"><userinput>make install</userinput></screen>
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| 81 |
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| 82 | </sect2>
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| 83 |
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| 84 | <sect2 role="configuration">
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| 85 | <title>Configuring ALSA Utilities</title>
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| 86 |
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| 87 | <sect3 id="alsa-utils-config">
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| 88 | <title>Config Files</title>
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| 89 |
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| 90 | <para><filename>/etc/asound.state</filename></para>
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| 91 |
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| 92 | <indexterm zone="alsa-utils alsa-utils-config">
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| 93 | <primary sortas="e-etc-asound.state">/etc/asound.state</primary>
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| 94 | </indexterm>
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| 95 |
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| 96 | </sect3>
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| 97 |
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| 98 | <sect3 id="alsa-utils-init">
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| 99 | <title>Configuration Information</title>
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| 100 |
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| 101 | <para> Use a bootscript to store the values at shutdown.</para>
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| 102 |
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| 103 | <indexterm zone="alsa-utils alsa-utils-init">
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| 104 | <primary sortas="f-alsa">alsa</primary>
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| 105 | </indexterm>
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| 106 |
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| 107 | <para>As the <systemitem class="username">root</systemitem> user,
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| 108 | install the init script <filename>/etc/rc.d/init.d/alsa</filename> included
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| 109 | in the <xref linkend="bootscripts"/> package.</para>
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| 110 |
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| 111 | <screen role="root"><userinput>make install-alsa</userinput></screen>
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| 112 |
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| 113 | <para>Note that all channels of your sound card are muted by default.
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| 114 | You can use the <command>alsamixer</command> program from the
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| 115 | <application>ALSA Utilities</application> to change this. Use
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| 116 | <command>speaker-test</command> to check that your settings have
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| 117 | been applied correctly.</para>
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| 118 |
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| 119 | <para>The first time the <filename>alsactl</filename> program is run from
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| 120 | the <application>udev</application> rule below, it will complain that
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| 121 | there is no state in <filename>/etc/asound.state</filename>. You can
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| 122 | prevent this by running the following commands as the <systemitem
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| 123 | class="username">root</systemitem> user:</para>
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| 124 |
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| 125 | <screen role="root"><userinput>touch /etc/asound.state &&
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| 126 | alsactl store</userinput></screen>
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| 127 |
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| 128 | <para>The volume settings will be restored from the saved state by
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| 129 | <application>Udev</application> when the device is detected (during boot
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| 130 | or when plugged in for USB devices).</para>
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| 131 |
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| 132 | <!--
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| 133 | <para> While still the
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| 134 | <systemitem class="username">root</systemitem> user, create the
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| 135 | <filename>/etc/udev/scripts/alsa-restore</filename> script with
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| 136 | the following commands:</para>
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| 137 |
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| 138 | <screen role="root"><userinput>install -v -d -m754 /etc/udev/scripts &&
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| 139 | cat > /etc/udev/scripts/alsa-restore << "EOF"
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| 140 | #!/bin/sh -e
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| 141 | # Begin /etc/udev/scripts/alsa-restore
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| 142 | # $1 is (the numbered device "%n") passed in by udev/kernel.
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| 143 |
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| 144 | rc=1
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| 145 |
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| 146 | if [ -f /usr/sbin/alsactl ]; then
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| 147 | /usr/sbin/alsactl restore "${1}"
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| 148 | rc=$?
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| 149 | fi
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| 150 |
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| 151 | exit $rc
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| 152 |
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| 153 | # End /etc/udev/scripts/alsa-restore
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| 154 | EOF
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| 155 | chmod -v 754 /etc/udev/scripts/alsa-restore</userinput></screen>
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| 156 | -->
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| 157 |
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| 158 | <para>As the <systemitem class="username">root</systemitem> user, install
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| 159 | a new <application>Udev</application> rules file to create the audio
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| 160 | device nodes and run the restore script:</para>
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| 161 |
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| 162 | <screen role="root"><userinput>cat > /etc/udev/rules.d/40-alsa.rules << "EOF"
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| 163 | # /etc/udev/rules.d/40-alsa.rules
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| 164 |
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| 165 | # When a sound device is detected, restore the volume settings
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| 166 | KERNEL=="controlC[0-9]*", ACTION=="add", RUN+="/usr/sbin/alsactl restore %n"
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| 167 | EOF
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| 168 | chmod -v 644 /etc/udev/rules.d/40-alsa.rules</userinput></screen>
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| 169 |
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| 170 | <para>All sound devices are not accessible for any user except
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| 171 | <systemitem class="username">root</systemitem> and members of the
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| 172 | <systemitem class="groupname">audio</systemitem> group. Add any users
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| 173 | that might use the sound devices to that group:</para>
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| 174 |
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| 175 | <screen role="root"><userinput>usermod -a -G audio <replaceable><username></replaceable></userinput></screen>
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| 176 |
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| 177 | <note>
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| 178 | <para>You may need to log out and back in again to refresh your group
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| 179 | memberships. '<command>su <replaceable><username></replaceable></command>'
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| 180 | should work as well.</para>
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| 181 | </note>
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| 182 |
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| 183 | </sect3>
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| 184 |
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| 185 | </sect2>
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| 186 |
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| 187 | <sect2 role="content">
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| 188 | <title>Contents</title>
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| 189 |
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| 190 | <segmentedlist>
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| 191 | <segtitle>Installed Programs</segtitle>
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| 192 | <segtitle>Installed Libraries</segtitle>
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| 193 | <segtitle>Installed Directories</segtitle>
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| 194 |
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| 195 | <seglistitem>
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| 196 | <seg>aconnect, alsaconf, alsactl, alsamixer, amidi,
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| 197 | amixer, aplay, aplaymidi, arecord, arecordmidi, aseqnet,
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| 198 | aseqdump, iecset, and speaker-test</seg>
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| 199 | <seg>None</seg>
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| 200 | <seg>None</seg>
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| 201 | </seglistitem>
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| 202 | </segmentedlist>
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| 203 |
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| 204 | <variablelist>
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| 205 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 206 | <?dbfo list-presentation="list"?>
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| 207 | <?dbhtml list-presentation="table"?>
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| 208 |
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| 209 | <varlistentry id="aconnect">
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| 210 | <term><command>aconnect</command></term>
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| 211 | <listitem>
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| 212 | <para>is a utility for connecting and disconnecting two existing
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| 213 | ports in the ALSA sequencer system.</para>
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| 214 | <indexterm zone="alsa-utils aconnect">
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| 215 | <primary sortas="b-aconnect">aconnect</primary>
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| 216 | </indexterm>
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| 217 | </listitem>
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| 218 | </varlistentry>
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| 219 |
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| 220 | <varlistentry id="alsaconf">
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| 221 | <term><command>alsaconf</command></term>
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| 222 | <listitem>
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| 223 | <para>is a configuration tool which tries to detect the sound cards
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| 224 | on your system and write a suitable configuration file for ALSA.
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| 225 | This program is incompatible with udev and hotplug.</para>
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| 226 | <indexterm zone="alsa-utils alsaconf">
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| 227 | <primary sortas="b-alsaconf">alsaconf</primary>
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| 228 | </indexterm>
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| 229 | </listitem>
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| 230 | </varlistentry>
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| 231 |
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| 232 | <varlistentry id="alsactl">
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| 233 | <term><command>alsactl</command></term>
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| 234 | <listitem>
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| 235 | <para>is used to control advanced settings for the
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| 236 | ALSA sound card drivers.</para>
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| 237 | <indexterm zone="alsa-utils alsactl">
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| 238 | <primary sortas="b-alsactl">alsactl</primary>
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| 239 | </indexterm>
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| 240 | </listitem>
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| 241 | </varlistentry>
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| 242 |
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| 243 | <varlistentry id="alsamixer">
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| 244 | <term><command>alsamixer</command></term>
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| 245 | <listitem>
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| 246 | <para>is an ncurses-based mixer program for use with the
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| 247 | ALSA sound card drivers.</para>
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| 248 | <indexterm zone="alsa-utils alsamixer">
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| 249 | <primary sortas="b-alsamixer">alsamixer</primary>
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| 250 | </indexterm>
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| 251 | </listitem>
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| 252 | </varlistentry>
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| 253 |
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| 254 | <varlistentry id="amidi">
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| 255 | <term><command>amidi</command></term>
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| 256 | <listitem>
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| 257 | <para>is used to read from and write to ALSA
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| 258 | RawMIDI ports.</para>
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| 259 | <indexterm zone="alsa-utils amidi">
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| 260 | <primary sortas="b-amidi">amidi</primary>
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| 261 | </indexterm>
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| 262 | </listitem>
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| 263 | </varlistentry>
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| 264 |
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| 265 | <varlistentry id="amixer">
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| 266 | <term><command>amixer</command></term>
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| 267 | <listitem>
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| 268 | <para> allows command-line control of the mixers for the
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| 269 | ALSA sound card drivers.</para>
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| 270 | <indexterm zone="alsa-utils amixer">
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| 271 | <primary sortas="b-amixer">amixer</primary>
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| 272 | </indexterm>
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| 273 | </listitem>
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| 274 | </varlistentry>
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| 275 |
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| 276 | <varlistentry id="aplay">
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| 277 | <term><command>aplay</command></term>
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| 278 | <listitem>
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| 279 | <para>is a command-line soundfile player for the
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| 280 | ALSA sound card drivers.</para>
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| 281 | <indexterm zone="alsa-utils aplay">
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| 282 | <primary sortas="b-aplay">aplay</primary>
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| 283 | </indexterm>
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| 284 | </listitem>
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| 285 | </varlistentry>
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| 286 |
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| 287 | <varlistentry id="aplaymidi">
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| 288 | <term><command>aplaymidi</command></term>
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| 289 | <listitem>
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| 290 | <para>is a command-line utility that plays the specified
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| 291 | MIDI file(s) to one or more ALSA sequencer ports.</para>
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| 292 | <indexterm zone="alsa-utils aplaymidi">
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| 293 | <primary sortas="b-aplaymidi">aplaymidi</primary>
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| 294 | </indexterm>
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| 295 | </listitem>
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| 296 | </varlistentry>
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| 297 |
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| 298 | <varlistentry id="arecord">
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| 299 | <term><command>arecord</command></term>
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| 300 | <listitem>
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| 301 | <para>is a command-line soundfile recorder for the
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| 302 | ALSA sound card drivers.</para>
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| 303 | <indexterm zone="alsa-utils arecord">
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| 304 | <primary sortas="b-arecord">arecord</primary>
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| 305 | </indexterm>
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| 306 | </listitem>
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| 307 | </varlistentry>
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| 308 |
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| 309 | <varlistentry id="arecordmidi">
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| 310 | <term><command>arecordmidi</command></term>
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| 311 | <listitem>
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| 312 | <para>is a command-line utility that records a standard
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| 313 | MIDI file from one or more ALSA sequencer ports.</para>
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| 314 | <indexterm zone="alsa-utils arecordmidi">
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| 315 | <primary sortas="b-arecordmidi">arecordmidi</primary>
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| 316 | </indexterm>
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| 317 | </listitem>
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| 318 | </varlistentry>
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| 319 |
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| 320 | <varlistentry id="aseqdump">
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| 321 | <term><command>aseqdump</command></term>
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| 322 | <listitem>
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| 323 | <para>is a command-line utility that prints the sequencer events it
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| 324 | receives as text.</para>
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| 325 | <indexterm zone="alsa-utils aseqdump">
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| 326 | <primary sortas="b-aseqdump">aseqdump</primary>
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| 327 | </indexterm>
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| 328 | </listitem>
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| 329 | </varlistentry>
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| 330 |
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| 331 | <varlistentry id="aseqnet">
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| 332 | <term><command>aseqnet</command></term>
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| 333 | <listitem>
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| 334 | <para>is an ALSA sequencer client which sends
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| 335 | and receives event packets over a network.</para>
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| 336 | <indexterm zone="alsa-utils aseqnet">
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| 337 | <primary sortas="b-aseqnet">aseqnet</primary>
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| 338 | </indexterm>
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| 339 | </listitem>
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| 340 | </varlistentry>
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| 341 |
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| 342 | <varlistentry id="iecset">
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| 343 | <term><command>iecset</command></term>
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| 344 | <listitem>
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| 345 | <para>is a small utility to set or dump the IEC958 (or so-called
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| 346 | <quote>S/PDIF</quote>) status bits of the specified sound
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| 347 | card via the ALSA control API.</para>
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| 348 | <indexterm zone="alsa-utils iecset">
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| 349 | <primary sortas="b-iecset">iecset</primary>
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| 350 | </indexterm>
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| 351 | </listitem>
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| 352 | </varlistentry>
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| 353 |
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| 354 | <varlistentry id="speaker-test">
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| 355 | <term><command>speaker-test</command></term>
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| 356 | <listitem>
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| 357 | <para>is a command-line speaker test tone generator for ALSA.</para>
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| 358 | <indexterm zone="alsa-utils speaker-test">
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| 359 | <primary sortas="b-speaker-test">speaker-test</primary>
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| 360 | </indexterm>
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| 361 | </listitem>
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| 362 | </varlistentry>
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| 363 |
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| 364 | </variablelist>
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| 365 |
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| 366 | </sect2>
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| 367 |
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| 368 | </sect1>
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