mirror of
https://github.com/Zeckmathederg/glfs.git
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6732c09460
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@6716 af4574ff-66df-0310-9fd7-8a98e5e911e0
356 lines
12 KiB
XML
356 lines
12 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY alsa-utils-download-http "&alsa-download-http;/utils/alsa-utils-&alsa-utils-version;.tar.bz2">
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<!ENTITY alsa-utils-download-ftp "&alsa-download-ftp;/utils/alsa-utils-&alsa-utils-version;.tar.bz2">
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<!ENTITY alsa-utils-md5sum "dfe4bb5d3217f3ec662b172ce8397cf0">
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<!ENTITY alsa-utils-size "958 KB">
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<!ENTITY alsa-utils-buildsize "8.1 MB">
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<!ENTITY alsa-utils-time "0.1 SBU">
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]>
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<sect1 id="alsa-utils" xreflabel="ALSA Utilities-&alsa-utils-version;">
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<?dbhtml filename="alsa-utils.html"?>
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<title>ALSA Utilities-&alsa-utils-version;</title>
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<indexterm zone="alsa-utils">
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<primary sortas="a-ALSA-Utilities">ALSA Utilities</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to ALSA Utilities</title>
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<para>The <application>ALSA Utilities</application> package contains
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various utilities which are useful for controlling your sound card.</para>
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>Download (HTTP): <ulink url="&alsa-utils-download-http;"/></para>
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</listitem>
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<listitem>
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<para>Download (FTP): <ulink url="&alsa-utils-download-ftp;"/></para>
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</listitem>
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<listitem>
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<para>Download MD5 sum: &alsa-utils-md5sum;</para>
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</listitem>
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<listitem>
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<para>Download size: &alsa-utils-size;</para>
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</listitem>
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<listitem>
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<para>Estimated disk space required: &alsa-utils-buildsize;</para>
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</listitem>
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<listitem>
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<para>Estimated build time: &alsa-utils-time;</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">ALSA Utilities Dependencies</bridgehead>
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<bridgehead renderas="sect4">Required</bridgehead>
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<para role="required"><xref linkend="alsa-lib"/></para>
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<para condition="html" role="usernotes">User Notes:
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<ulink url="&blfs-wiki;/alsa-utils"/></para>
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</sect2>
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<sect2 role="installation">
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<title>Installation of ALSA Utilities</title>
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<para>Install <application>ALSA Utilities</application> by
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running the following commands:</para>
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<screen><userinput>./configure &&
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make</userinput></screen>
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<para>This package does not come with a test suite.</para>
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<para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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<screen role="root"><userinput>make install</userinput></screen>
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</sect2>
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<sect2 role="configuration">
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<title>Configuring ALSA Utilities</title>
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<sect3 id="alsa-utils-config">
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<title>Config Files</title>
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<para><filename>/etc/asound.state</filename></para>
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<indexterm zone="alsa-utils alsa-utils-config">
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<primary sortas="e-etc-asound.state">/etc/asound.state</primary>
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</indexterm>
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</sect3>
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<sect3 id="alsa-utils-init">
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<title>Configuration Information</title>
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<para> Use a bootscript to store the values at shutdown.</para>
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<indexterm zone="alsa-utils alsa-utils-init">
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<primary sortas="f-alsa">alsa</primary>
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</indexterm>
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<para>As the <systemitem class="username">root</systemitem> user,
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install the init script <filename>/etc/rc.d/init.d/alsa</filename> included
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in the <xref linkend="bootscripts"/> package.</para>
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<screen role="root"><userinput>make install-alsa</userinput></screen>
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<para>Note that all channels of your sound card are muted by default.
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You can use the <command>alsamixer</command> program from the
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<application>ALSA Utilities</application> to change this. Use
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<command>speaker-test</command> to check that your settings have
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been applied correctly.</para>
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<para>The first time the <filename>alsactl</filename> program is run from
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the <application>udev</application> rule below, it will complain that
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there is no state in <filename>/etc/asound.state</filename>. You can
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prevent this by running the following commands as the <systemitem
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class="username">root</systemitem> user:</para>
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<screen role="root"><userinput>touch /etc/asound.state &&
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alsactl store</userinput></screen>
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<para>The volume settings will be restored from the saved state by
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<application>Udev</application> when the device is detected (during boot
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or when plugged in for USB devices).</para>
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<!--
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<para> While still the
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<systemitem class="username">root</systemitem> user, create the
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<filename>/etc/udev/scripts/alsa-restore</filename> script with
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the following commands:</para>
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<screen role="root"><userinput>install -v -d -m754 /etc/udev/scripts &&
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cat > /etc/udev/scripts/alsa-restore << "EOF"
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#!/bin/sh -e
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# Begin /etc/udev/scripts/alsa-restore
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# $1 is (the numbered device "%n") passed in by udev/kernel.
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rc=1
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if [ -f /usr/sbin/alsactl ]; then
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/usr/sbin/alsactl restore "${1}"
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rc=$?
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fi
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exit $rc
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# End /etc/udev/scripts/alsa-restore
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EOF
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chmod -v 754 /etc/udev/scripts/alsa-restore</userinput></screen>
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-->
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<para>As the <systemitem class="username">root</systemitem> user, install
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a new <application>Udev</application> rules file to create the audio
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device nodes and run the restore script:</para>
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<screen role="root"><userinput>cat > /etc/udev/rules.d/40-alsa.rules << "EOF"
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# /etc/udev/rules.d/40-alsa.rules
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# When a sound device is detected, restore the volume settings
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KERNEL=="controlC[0-9]*", ACTION=="add", RUN+="/usr/sbin/alsactl restore %n"
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EOF
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chmod -v 644 /etc/udev/rules.d/40-alsa.rules</userinput></screen>
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</sect3>
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</sect2>
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<sect2 role="content">
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Programs</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>aconnect, alsaconf, alsactl, alsamixer, amidi,
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amixer, aplay, aplaymidi, arecord, arecordmidi, aseqnet,
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aseqdump, iecset, and speaker-test</seg>
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<seg>None</seg>
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<seg>None</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="aconnect">
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<term><command>aconnect</command></term>
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<listitem>
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<para>is a utility for connecting and disconnecting two existing
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ports in the ALSA sequencer system.</para>
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<indexterm zone="alsa-utils aconnect">
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<primary sortas="b-aconnect">aconnect</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="alsaconf">
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<term><command>alsaconf</command></term>
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<listitem>
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<para>is a configuration tool which tries to detect the sound cards
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on your system and write a suitable configuration file for ALSA.
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This program is incompatible with udev and hotplug.</para>
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<indexterm zone="alsa-utils alsaconf">
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<primary sortas="b-alsaconf">alsaconf</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="alsactl">
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<term><command>alsactl</command></term>
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<listitem>
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<para>is used to control advanced settings for the
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ALSA sound card drivers.</para>
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<indexterm zone="alsa-utils alsactl">
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<primary sortas="b-alsactl">alsactl</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="alsamixer">
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<term><command>alsamixer</command></term>
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<listitem>
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<para>is an ncurses-based mixer program for use with the
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ALSA sound card drivers.</para>
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<indexterm zone="alsa-utils alsamixer">
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<primary sortas="b-alsamixer">alsamixer</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="amidi">
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<term><command>amidi</command></term>
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<listitem>
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<para>is used to read from and write to ALSA
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RawMIDI ports.</para>
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<indexterm zone="alsa-utils amidi">
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<primary sortas="b-amidi">amidi</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="amixer">
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<term><command>amixer</command></term>
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<listitem>
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<para> allows command-line control of the mixers for the
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ALSA sound card drivers.</para>
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<indexterm zone="alsa-utils amixer">
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<primary sortas="b-amixer">amixer</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="aplay">
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<term><command>aplay</command></term>
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<listitem>
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<para>is a command-line soundfile player for the
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ALSA sound card drivers.</para>
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<indexterm zone="alsa-utils aplay">
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<primary sortas="b-aplay">aplay</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="aplaymidi">
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<term><command>aplaymidi</command></term>
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<listitem>
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<para>is a command-line utility that plays the specified
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MIDI file(s) to one or more ALSA sequencer ports.</para>
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<indexterm zone="alsa-utils aplaymidi">
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<primary sortas="b-aplaymidi">aplaymidi</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="arecord">
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<term><command>arecord</command></term>
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<listitem>
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<para>is a command-line soundfile recorder for the
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ALSA sound card drivers.</para>
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<indexterm zone="alsa-utils arecord">
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<primary sortas="b-arecord">arecord</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="arecordmidi">
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<term><command>arecordmidi</command></term>
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<listitem>
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<para>is a command-line utility that records a standard
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MIDI file from one or more ALSA sequencer ports.</para>
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<indexterm zone="alsa-utils arecordmidi">
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<primary sortas="b-arecordmidi">arecordmidi</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="aseqdump">
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<term><command>aseqdump</command></term>
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<listitem>
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<para>is a command-line utility that prints the sequencer events it
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receives as text.</para>
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<indexterm zone="alsa-utils aseqdump">
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<primary sortas="b-aseqdump">aseqdump</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="aseqnet">
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<term><command>aseqnet</command></term>
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<listitem>
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<para>is an ALSA sequencer client which sends
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and receives event packets over a network.</para>
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<indexterm zone="alsa-utils aseqnet">
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<primary sortas="b-aseqnet">aseqnet</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="iecset">
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<term><command>iecset</command></term>
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<listitem>
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<para>is a small utility to set or dump the IEC958 (or so-called
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<quote>S/PDIF</quote>) status bits of the specified sound
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card via the ALSA control API.</para>
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<indexterm zone="alsa-utils iecset">
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<primary sortas="b-iecset">iecset</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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<varlistentry id="speaker-test">
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<term><command>speaker-test</command></term>
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<listitem>
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<para>is a command-line speaker test tone generator for ALSA.</para>
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<indexterm zone="alsa-utils speaker-test">
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<primary sortas="b-speaker-test">speaker-test</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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