ref: beea3cfad02b018a96c83874f871cd152a48c1e6
dir: /doc/aubiotrack.sgml/
<!doctype refentry PUBLIC "-//OASIS//DTD DocBook V4.1//EN" [
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<!-- Fill in your name for FIRSTNAME and SURNAME. -->
<!ENTITY dhfirstname "<firstname>Paul</firstname>">
<!ENTITY dhsurname "<surname>Brossier</surname>">
<!-- Please adjust the date whenever revising the manpage. -->
<!ENTITY dhdate "<date>December 1, 2004</date>">
<!-- SECTION should be 1-8, maybe w/ subsection other parameters are
allowed: see man(7), man(1). -->
<!ENTITY dhsection "<manvolnum>1</manvolnum>">
<!ENTITY dhemail "<email>piem@altern.org</email>">
<!ENTITY dhusername "Paul Brossier">
<!ENTITY dhucpackage "<refentrytitle>AUBIOTRACK</refentrytitle>">
<!ENTITY dhpackage "aubiotrack">
<!ENTITY debian "<productname>Debian</productname>">
<!ENTITY gnu "<acronym>GNU</acronym>">
<!ENTITY gpl "&gnu; <acronym>GPL</acronym>">
]>
<refentry>
<refentryinfo>
<address>
&dhemail;
</address>
<author>
&dhfirstname;
&dhsurname;
</author>
<copyright>
<year>2003</year>
<holder>&dhusername;</holder>
</copyright>
&dhdate;
</refentryinfo>
<refmeta>
&dhucpackage;
&dhsection;
</refmeta>
<refnamediv>
<refname>&dhpackage;</refname>
<refpurpose>a command line tool for real time beat tracking</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>&dhpackage; <parameter>[options] [-i soundfile]</parameter></command>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>DESCRIPTION</title>
<para>This manual page documents briefly the <command>&dhpackage;</command> command.</para>
<para>The <emphasis>aubio</emphasis> library provides a small set of
functions to extract events and objects from audio, from live streams or
still files. Onsets are used to label the beginning of notes, pitches to
label their height.</para>
<para><command>&dhpackage;</command> attempts to tap the beat and detect
beat locations in musical sounds. When started with an input file argument
(<option>-i</option>), aubiotrack print the beat locations in second
detected in the file.</para>
<para>When started without an input file argument
(<option>--input</option>), <command>&dhpackage;</command> creates jack
input and output ports. When an input file is given, the results are given
on the console.</para>
</refsect1>
<refsect1>
<title>OPTIONS</title>
<para>This program follows the usual GNU command line syntax, with long
options starting with two dashes (`-'). A summary of options is included
below.</para>
<variablelist>
<varlistentry>
<term><option>-i</option>
<option>--input filein</option></term>
<listitem>
<para>Run analysis on this audio file. Most common uncompressed formats are
supported.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-o</option>
<option>--output fileout</option></term>
<listitem>
<para>Save results in this file. The file will be created on the model of the
input file. Results are marked by a short wood-block sample.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-O</option>
<option>--onset mode</option></term>
<listitem>
<para>The onset detection function to run. Available functions are
<emphasis>complexdomain</emphasis>, <emphasis>hfc</emphasis>,
<emphasis>phase</emphasis>, <emphasis>specdiff</emphasis>,
<emphasis>energy</emphasis>, <emphasis>kl</emphasis> and
<emphasis>mkl</emphasis>. By default, both Kullback Liebler (kl) and complex
domain are used in parallel.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-t</option>
<option>--threshold value</option></term>
<listitem>
<para>Set the threshold value for the onset peak picking. Typical values are
within <literal>0.001</literal> and <literal>0.900</literal>. Default is
<literal>0.1</literal>. <emphasis>Lower</emphasis> threshold values imply
<emphasis>more</emphasis> onsets detected. Try <literal>0.3</literal> in
case of over-detections.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-j</option>
<option>--jack</option></term>
<listitem>
<para>Run in jack mode (default when started without input file) and creates a midi output.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-v</option>
<option>--verbose</option></term>
<listitem>
<para>Show results on the console (default).</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-h</option>
<option>--help</option></term>
<listitem>
<para>Show summary of options.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>BUGS</title>
<para>For now the program has only been tested on audio signals sampled at
44.1 kHz.</para>
</refsect1>
<refsect1>
<title>SEE ALSO</title>
<para>
<command>aubioonset</command>(1)
<command>aubionotes</command>(1)
<command>aubiocut</command>(1)
<command>aubiopitch</command>(1)
</para>
</refsect1>
<refsect1>
<title>AUTHOR</title>
<para>This manual page was written by &dhusername; (&dhemail;). Permission
is granted to copy, distribute and/or modify this document under the terms
of the &gnu; General Public License, Version 2 any later version published
by the Free Software Foundation.</para>
<para>On Debian systems, the complete text of the GNU General Public
License can be found in /usr/share/common-licenses/GPL.</para>
</refsect1>
</refentry>
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