| 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 "4fc281a85abb74d6c29363fb0ba2c7b8">
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| 10 | <!ENTITY alsa-utils-size "1.6 MB">
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| 11 | <!ENTITY alsa-utils-buildsize "16 MB">
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| 12 | <!ENTITY alsa-utils-time "0.2 SBU">
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| 13 | ]>
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| 14 |
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| 15 | <sect1 id="alsa-utils" xreflabel="alsa-utils-&alsa-utils-version;">
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| 16 | <?dbhtml filename="alsa-utils.html"?>
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| 17 |
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| 18 |
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| 19 | <title>alsa-utils-&alsa-utils-version;</title>
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| 20 |
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| 21 | <indexterm zone="alsa-utils">
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| 22 | <primary sortas="a-alsa-utils">alsa-utils</primary>
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| 23 | </indexterm>
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| 24 |
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| 25 | <sect2 role="package">
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| 26 | <title>Introduction to ALSA Utilities</title>
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| 27 |
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| 28 | <para>
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| 29 | The <application>ALSA Utilities</application> package contains
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| 30 | various utilities which are useful for controlling your sound
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| 31 | card.
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| 32 | </para>
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| 33 |
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| 34 | &lfs120_checked;
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| 35 |
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| 36 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 37 | <itemizedlist spacing="compact">
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| 38 | <listitem>
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| 39 | <para>
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| 40 | Download (HTTP): <ulink url="&alsa-utils-download-http;"/>
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| 41 | </para>
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| 42 | </listitem>
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| 43 | <listitem>
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| 44 | <para>
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| 45 | Download (FTP): <ulink url="&alsa-utils-download-ftp;"/>
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| 46 | </para>
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| 47 | </listitem>
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| 48 | <listitem>
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| 49 | <para>
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| 50 | Download MD5 sum: &alsa-utils-md5sum;
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| 51 | </para>
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| 52 | </listitem>
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| 53 | <listitem>
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| 54 | <para>
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| 55 | Download size: &alsa-utils-size;
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| 56 | </para>
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| 57 | </listitem>
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| 58 | <listitem>
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| 59 | <para>
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| 60 | Estimated disk space required: &alsa-utils-buildsize;
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| 61 | </para>
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| 62 | </listitem>
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| 63 | <listitem>
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| 64 | <para>
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| 65 | Estimated build time: &alsa-utils-time;
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| 66 | </para>
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| 67 | </listitem>
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| 68 | </itemizedlist>
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| 69 |
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| 70 | <bridgehead renderas="sect3">ALSA Utilities Dependencies</bridgehead>
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| 71 |
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| 72 | <bridgehead renderas="sect4">Required</bridgehead>
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| 73 | <para role="required">
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| 74 | <xref linkend="alsa-lib"/>
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| 75 | </para>
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| 76 |
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| 77 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 78 | <para role="optional">
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| 79 | <xref linkend="docutils"/>,
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| 80 | <xref linkend="fftw"/>,
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| 81 | <xref linkend="libsamplerate"/>,
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| 82 | <xref linkend="xmlto"/>, and
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| 83 | <ulink url="https://hightek.org/projects/dialog/">Dialog</ulink>
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| 84 | </para>
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| 85 |
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| 86 | <para condition="html" role="usernotes">Editor Notes:
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| 87 | <ulink url="&blfs-wiki;/alsa-utils"/>
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| 88 | </para>
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| 89 | </sect2>
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| 90 |
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| 91 | <sect2 role="installation">
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| 92 | <title>Installation of ALSA Utilities</title>
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| 93 |
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| 94 | <para>
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| 95 | This package provides its own implementation of
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| 96 | <literal>strlcpy</literal> and <literal>strlcat</literal> functions.
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| 97 | But they are provided by Glibc-2.38 now, so we need to remove the
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| 98 | custom implementation to avoid a conflict with the Glibc header:
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| 99 | </para>
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| 100 |
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| 101 | <screen><userinput>echo '' > alsactl/init_sysdeps.c</userinput></screen>
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| 102 |
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| 103 | <para>
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| 104 | Install <application>ALSA Utilities</application> by
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| 105 | running the following commands:
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| 106 | </para>
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| 107 |
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| 108 | <screen><userinput>./configure --disable-alsaconf \
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| 109 | --disable-bat \
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| 110 | --disable-xmlto \
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| 111 | --with-curses=ncursesw &&
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| 112 | make</userinput></screen>
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| 113 |
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| 114 | <para>
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| 115 | To test the results, issue: <command>make check</command>.
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| 116 | </para>
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| 117 |
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| 118 | <para>
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| 119 | Now, as the <systemitem class="username">root</systemitem> user:
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| 120 | </para>
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| 121 |
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| 122 | <screen role="root"><userinput>make install</userinput></screen>
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| 123 |
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| 124 | </sect2>
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| 125 |
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| 126 | <sect2 role="commands">
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| 127 | <title>Command Explanations</title>
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| 128 |
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| 129 | <para>
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| 130 | <parameter>--disable-alsaconf</parameter>: This switch disables building
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| 131 | the <command>alsaconf</command> configuration tool which is incompatible
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| 132 | with <application>Udev</application>.
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| 133 | </para>
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| 134 |
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| 135 | <para>
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| 136 | <parameter>--disable-xmlto</parameter>: Omit this switch if you have
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| 137 | installed <xref linkend="xmlto"/> and wish to regenerate the man pages.
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| 138 | </para>
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| 139 |
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| 140 | <para>
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| 141 | <parameter>--disable-bat</parameter>: Omit this switch if you have
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| 142 | installed <xref linkend="fftw"/> and wish to
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| 143 | install the Basic Audio Tester (BAT).
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| 144 | </para>
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| 145 |
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| 146 | <para>
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| 147 | <parameter>--with-curses=ncursesw</parameter>: This switch forces the
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| 148 | use of wide-character ncurses libraries.
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| 149 | </para>
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| 150 |
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| 151 | </sect2>
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| 152 |
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| 153 | <sect2 role="configuration" id="alsa-utils-config-sect">
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| 154 | <title>Configuring ALSA Utilities</title>
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| 155 |
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| 156 | <sect3 id="alsa-utils-config">
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| 157 | <title>Config Files</title>
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| 158 |
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| 159 | <para>
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| 160 | <filename>/var/lib/alsa/asound.state</filename>
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| 161 | </para>
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| 162 |
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| 163 | <indexterm zone="alsa-utils alsa-utils-config">
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| 164 | <primary sortas="e-var-lib-alsa-asound.state">/var/lib/alsa/asound.state</primary>
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| 165 | </indexterm>
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| 166 |
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| 167 | </sect3>
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| 168 |
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| 169 | <sect3>
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| 170 | <title>Configuration Information</title>
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| 171 |
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| 172 | <para>
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| 173 | As the &root; user, apply the default setting for the sound card:
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| 174 | </para>
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| 175 |
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| 176 | <screen role="root"><userinput>alsactl init</userinput></screen>
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| 177 |
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| 178 | <para>
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| 179 | Note that all channels of your sound card may be muted by default.
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| 180 | You can use the <command>alsamixer</command> program to change
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| 181 | this. Use <command>speaker-test</command> to check that your
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| 182 | settings have been applied correctly. You should hear
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| 183 | <quote>pink noise</quote> on your speakers.
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| 184 | </para>
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| 185 |
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| 186 | <para>
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| 187 | The <filename>alsactl</filename> program is normally run from a
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| 188 | standard <application>udev</application> rule. The first time it
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| 189 | is run, it will complain that there is no state in
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| 190 | <filename>/var/lib/alsa/asound.state</filename>. You can prevent
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| 191 | this by running the following command as the
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| 192 | <systemitem class="username">root</systemitem> user:
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| 193 | </para>
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| 194 |
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| 195 | <screen role="root"><userinput>alsactl -L store</userinput></screen>
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| 196 |
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| 197 | <para>
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| 198 | The volume settings should be restored from the saved state by
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| 199 | <application>Udev</application> when the device is detected
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| 200 | (during boot or when plugged in for USB devices).
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| 201 | </para>
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| 202 | <!-- not needed with elogind or systemd-logind
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| 203 | <para>
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| 204 | All sound devices are not accessible for any user except
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| 205 | <systemitem class="username">root</systemitem> and members of the
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| 206 | <systemitem class="groupname">audio</systemitem> group. Add any
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| 207 | users that might use the sound devices to that group:
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| 208 | </para>
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| 209 |
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| 210 | <screen role="root"><userinput>usermod -a -G audio <replaceable><username></replaceable></userinput></screen>
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| 211 |
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| 212 | <note>
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| 213 | <para>
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| 214 | You may need to log out and back in again to refresh your group
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| 215 | memberships. '<command>su <replaceable><username></replaceable></command>'
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| 216 | should work as well.
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| 217 | </para>
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| 218 | </note>
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| 219 | -->
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| 220 | <para>
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| 221 | On systems which have multiple sound cards, you may need to adjust the
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| 222 | default audio device so that you can get output from your speakers.
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| 223 | To set the default device, first check the
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| 224 | <filename>/proc/asound/cards</filename> file to determine which number
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| 225 | you need to set. After you know this information, set the default card
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| 226 | with the following command as the
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| 227 | <systemitem class="username">root</systemitem> user:
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| 228 | </para>
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| 229 |
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| 230 | <screen role="nodump"><userinput>cat > /etc/asound.conf << "EOF"
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| 231 | <literal># Begin /etc/asound.conf
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| 232 |
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| 233 | defaults.pcm.card 1
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| 234 | defaults.ctl.card 1
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| 235 |
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| 236 | # End /etc/asound.conf</literal>
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| 237 | EOF</userinput></screen>
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| 238 |
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| 239 | </sect3>
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| 240 |
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| 241 | <sect3 id="alsa-utils-init" revision="sysv">
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| 242 | <title>Boot Script</title>
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| 243 |
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| 244 | <indexterm zone="alsa-utils alsa-utils-init">
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| 245 | <primary sortas="f-alsa">alsa</primary>
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| 246 | </indexterm>
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| 247 |
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| 248 | <para>
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| 249 | To automatically store and restore volume settings (if the udev rule
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| 250 | doesn't work for you) when the system is rebooted, install the
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| 251 | <filename>/etc/rc.d/init.d/alsa</filename> boot script from the
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| 252 | <xref linkend="bootscripts" revision="sysv"/>
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| 253 | <xref linkend="systemd-units" revision="systemd"/> package.
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| 254 | </para>
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| 255 |
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| 256 | <screen role="root"><userinput>make install-alsa</userinput></screen>
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| 257 |
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| 258 | </sect3>
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| 259 |
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| 260 | </sect2>
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| 261 |
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| 262 | <sect2 role="content">
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| 263 | <title>Contents</title>
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| 264 |
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| 265 | <segmentedlist>
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| 266 | <segtitle>Installed Programs</segtitle>
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| 267 | <segtitle>Installed Libraries</segtitle>
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| 268 | <segtitle>Installed Directories</segtitle>
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| 269 |
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| 270 | <seglistitem>
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| 271 | <seg>
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| 272 | aconnect, alsactl, alsaloop, alsamixer, alsatplg,
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| 273 | alsaucm, alsa-info.sh, amidi, amixer, aplay, aplaymidi,
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| 274 | arecord (symlink), arecordmidi, aseqdump, aseqnet, axfer,
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| 275 | iecset, and speaker-test
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| 276 | </seg>
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| 277 | <seg>
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| 278 | None
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| 279 | </seg>
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| 280 | <seg>
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| 281 | /usr/share/sounds/alsa and /var/lib/alsa
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| 282 | </seg>
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| 283 | </seglistitem>
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| 284 | </segmentedlist>
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| 285 |
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| 286 | <variablelist>
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| 287 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 288 | <?dbfo list-presentation="list"?>
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| 289 | <?dbhtml list-presentation="table"?>
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| 290 |
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| 291 | <varlistentry id="aconnect">
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| 292 | <term><command>aconnect</command></term>
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| 293 | <listitem>
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| 294 | <para>
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| 295 | is a utility for connecting and disconnecting two
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| 296 | existing ports in the ALSA sequencer system
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| 297 | </para>
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| 298 | <indexterm zone="alsa-utils aconnect">
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| 299 | <primary sortas="b-aconnect">aconnect</primary>
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| 300 | </indexterm>
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| 301 | </listitem>
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| 302 | </varlistentry>
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| 303 |
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| 304 | <varlistentry id="alsactl">
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| 305 | <term><command>alsactl</command></term>
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| 306 | <listitem>
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| 307 | <para>
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| 308 | is used to control advanced settings for ALSA sound card drivers.
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| 309 | Use this if alsamixer cannot utilize all of your sound card's
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| 310 | features
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| 311 | </para>
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| 312 | <indexterm zone="alsa-utils alsactl">
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| 313 | <primary sortas="b-alsactl">alsactl</primary>
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| 314 | </indexterm>
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| 315 | </listitem>
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| 316 | </varlistentry>
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| 317 |
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| 318 | <varlistentry id="alsaloop">
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| 319 | <term><command>alsaloop</command></term>
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| 320 | <listitem>
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| 321 | <para>
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| 322 | allows creation of a PCM loopback between a PCM capture
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| 323 | device and a PCM playback device
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| 324 | </para>
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| 325 | <indexterm zone="alsa-utils alsaloop">
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| 326 | <primary sortas="b-alsaloop">alsaloop</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="alsamixer">
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| 332 | <term><command>alsamixer</command></term>
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| 333 | <listitem>
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| 334 | <para>
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| 335 | is an Ncurses based mixer program for use with
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| 336 | the ALSA sound card drivers
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| 337 | </para>
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| 338 | <indexterm zone="alsa-utils alsamixer">
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| 339 | <primary sortas="b-alsamixer">alsamixer</primary>
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| 340 | </indexterm>
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| 341 | </listitem>
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| 342 | </varlistentry>
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| 343 |
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| 344 | <varlistentry id="alsatplg">
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| 345 | <term><command>alsatplg</command></term>
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| 346 | <listitem>
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| 347 | <para>
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| 348 | is a utility used to compile topology configuration files into
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| 349 | binary files for kernel drivers
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| 350 | </para>
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| 351 | <indexterm zone="alsa-utils alsatplg">
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| 352 | <primary sortas="b-alsatplg">alsatplg</primary>
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| 353 | </indexterm>
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| 354 | </listitem>
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| 355 | </varlistentry>
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| 356 |
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| 357 | <varlistentry id="alsaucm">
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| 358 | <term><command>alsaucm</command></term>
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| 359 | <listitem>
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| 360 | <para>
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| 361 | allows applications to access the hardware in an abstracted manner
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| 362 | </para>
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| 363 | <indexterm zone="alsa-utils alsaucm">
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| 364 | <primary sortas="b-alsaucm">alsaucm</primary>
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| 365 | </indexterm>
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| 366 | </listitem>
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| 367 | </varlistentry>
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| 368 |
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| 369 | <varlistentry id="amidi">
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| 370 | <term><command>amidi</command></term>
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| 371 | <listitem>
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| 372 | <para>
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| 373 | is used to read from and write to ALSA
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| 374 | RawMIDI ports
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| 375 | </para>
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| 376 | <indexterm zone="alsa-utils amidi">
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| 377 | <primary sortas="b-amidi">amidi</primary>
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| 378 | </indexterm>
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| 379 | </listitem>
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| 380 | </varlistentry>
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| 381 |
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| 382 | <varlistentry id="amixer">
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| 383 | <term><command>amixer</command></term>
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| 384 | <listitem>
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| 385 | <para>
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| 386 | allows command-line control of the mixers for the
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| 387 | ALSA sound card drivers
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| 388 | </para>
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| 389 | <indexterm zone="alsa-utils amixer">
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| 390 | <primary sortas="b-amixer">amixer</primary>
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| 391 | </indexterm>
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| 392 | </listitem>
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| 393 | </varlistentry>
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| 394 |
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| 395 | <varlistentry id="aplay">
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| 396 | <term><command>aplay</command></term>
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| 397 | <listitem>
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| 398 | <para>
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| 399 | is a command-line soundfile player for the
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| 400 | ALSA sound card drivers
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| 401 | </para>
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| 402 | <indexterm zone="alsa-utils aplay">
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| 403 | <primary sortas="b-aplay">aplay</primary>
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| 404 | </indexterm>
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| 405 | </listitem>
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| 406 | </varlistentry>
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| 407 |
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| 408 | <varlistentry id="aplaymidi">
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| 409 | <term><command>aplaymidi</command></term>
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| 410 | <listitem>
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| 411 | <para>
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| 412 | is a command-line utility that plays the specified
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| 413 | MIDI file(s) to one or more ALSA sequencer ports
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| 414 | </para>
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| 415 | <indexterm zone="alsa-utils aplaymidi">
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| 416 | <primary sortas="b-aplaymidi">aplaymidi</primary>
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| 417 | </indexterm>
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| 418 | </listitem>
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| 419 | </varlistentry>
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| 420 |
|
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| 421 | <varlistentry id="arecord">
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| 422 | <term><command>arecord</command></term>
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|---|
| 423 | <listitem>
|
|---|
| 424 | <para>
|
|---|
| 425 | is a command-line soundfile recorder for the
|
|---|
| 426 | ALSA sound card drivers
|
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| 427 | </para>
|
|---|
| 428 | <indexterm zone="alsa-utils arecord">
|
|---|
| 429 | <primary sortas="b-arecord">arecord</primary>
|
|---|
| 430 | </indexterm>
|
|---|
| 431 | </listitem>
|
|---|
| 432 | </varlistentry>
|
|---|
| 433 |
|
|---|
| 434 | <varlistentry id="arecordmidi">
|
|---|
| 435 | <term><command>arecordmidi</command></term>
|
|---|
| 436 | <listitem>
|
|---|
| 437 | <para>
|
|---|
| 438 | is a command-line utility that records a standard
|
|---|
| 439 | MIDI file from one or more ALSA sequencer ports
|
|---|
| 440 | </para>
|
|---|
| 441 | <indexterm zone="alsa-utils arecordmidi">
|
|---|
| 442 | <primary sortas="b-arecordmidi">arecordmidi</primary>
|
|---|
| 443 | </indexterm>
|
|---|
| 444 | </listitem>
|
|---|
| 445 | </varlistentry>
|
|---|
| 446 |
|
|---|
| 447 | <varlistentry id="aseqdump">
|
|---|
| 448 | <term><command>aseqdump</command></term>
|
|---|
| 449 | <listitem>
|
|---|
| 450 | <para>
|
|---|
| 451 | is a command-line utility that prints the sequencer events it
|
|---|
| 452 | receives as text
|
|---|
| 453 | </para>
|
|---|
| 454 | <indexterm zone="alsa-utils aseqdump">
|
|---|
| 455 | <primary sortas="b-aseqdump">aseqdump</primary>
|
|---|
| 456 | </indexterm>
|
|---|
| 457 | </listitem>
|
|---|
| 458 | </varlistentry>
|
|---|
| 459 |
|
|---|
| 460 | <varlistentry id="aseqnet">
|
|---|
| 461 | <term><command>aseqnet</command></term>
|
|---|
| 462 | <listitem>
|
|---|
| 463 | <para>
|
|---|
| 464 | is an ALSA sequencer client which sends and
|
|---|
| 465 | receives event packets over a network
|
|---|
| 466 | </para>
|
|---|
| 467 | <indexterm zone="alsa-utils aseqnet">
|
|---|
| 468 | <primary sortas="b-aseqnet">aseqnet</primary>
|
|---|
| 469 | </indexterm>
|
|---|
| 470 | </listitem>
|
|---|
| 471 | </varlistentry>
|
|---|
| 472 |
|
|---|
| 473 | <varlistentry id="axfer">
|
|---|
| 474 | <term><command>axfer</command></term>
|
|---|
| 475 | <listitem>
|
|---|
| 476 | <para>
|
|---|
| 477 | is a command-line recorder and player used to transfer audio frames
|
|---|
| 478 | between sound devices and files
|
|---|
| 479 | </para>
|
|---|
| 480 | <indexterm zone="alsa-utils axfer">
|
|---|
| 481 | <primary sortas="b-axfer">axfer</primary>
|
|---|
| 482 | </indexterm>
|
|---|
| 483 | </listitem>
|
|---|
| 484 | </varlistentry>
|
|---|
| 485 |
|
|---|
| 486 | <varlistentry id="iecset">
|
|---|
| 487 | <term><command>iecset</command></term>
|
|---|
| 488 | <listitem>
|
|---|
| 489 | <para>
|
|---|
| 490 | is a small utility to set or dump the IEC958 (or so-called
|
|---|
| 491 | <quote>S/PDIF</quote>) status bits of the specified sound
|
|---|
| 492 | card via the ALSA control API
|
|---|
| 493 | </para>
|
|---|
| 494 | <indexterm zone="alsa-utils iecset">
|
|---|
| 495 | <primary sortas="b-iecset">iecset</primary>
|
|---|
| 496 | </indexterm>
|
|---|
| 497 | </listitem>
|
|---|
| 498 | </varlistentry>
|
|---|
| 499 |
|
|---|
| 500 | <varlistentry id="speaker-test">
|
|---|
| 501 | <term><command>speaker-test</command></term>
|
|---|
| 502 | <listitem>
|
|---|
| 503 | <para>
|
|---|
| 504 | is a command-line speaker test tone generator for ALSA
|
|---|
| 505 | </para>
|
|---|
| 506 | <indexterm zone="alsa-utils speaker-test">
|
|---|
| 507 | <primary sortas="b-speaker-test">speaker-test</primary>
|
|---|
| 508 | </indexterm>
|
|---|
| 509 | </listitem>
|
|---|
| 510 | </varlistentry>
|
|---|
| 511 |
|
|---|
| 512 | </variablelist>
|
|---|
| 513 |
|
|---|
| 514 | </sect2>
|
|---|
| 515 |
|
|---|
| 516 | </sect1>
|
|---|
