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<?xml version="1.0" encoding="utf-8"?>
<!--
Copyright (C) 2007-2015 Brian Langenberger
This work is licensed under the
Creative Commons Attribution-Share Alike 3.0 United States License.
To view a copy of this license, visit
http://creativecommons.org/licenses/by-sa/3.0/us/ or send a letter to
Creative Commons,
171 Second Street, Suite 300,
San Francisco, California, 94105, USA.
-->
<manpage>
<utility>trackverify</utility>
<author>Brian Langenberger</author>
<section>1</section>
<name>verifies the data content of tracks</name>
<title>Track Verify</title>
<synopsis>[OPTIONS] <track 1> [track 2] ...</synopsis>
<description>
trackverify takes one or more audio tracks, verifies their files
for correctness, and displays its results to standard output.
If directories are given, they are searched recursively for any
supported audio files and verified if found.
</description>
<options>
<option short="h" long="help">show a list of options and exit</option>
<option short="t" long="type" arg="type">
An audio format to restrict searching to.
If given, only files of the given audio types will be verified.
May be used multiple times.
For a list of available audio formats, try: -t help
</option>
<option short="S" long="no-summary">
do not display summary information when verification is complete
</option>
<option short="R" long="accuraterip">
verify tracks against those of AccurateRip database
</option>
<option long="cue" arg="FILENAME">
cuesheet to use when verifying CD image against AccurateRip database
</option>
<option short="j" long="joint" arg="processes">
The maximum number of tracks to verify at one time.
If one has multiple CPUs or CPU cores, allowing
trackverify(1)
to use all of them simultaneously can increase verification speed.
However, the maximum speed is likely to be limited by
I/O-bound rather than CPU-bound.
</option>
<option short="V" long="verbose" arg="verbosity">
The level of output to display.
Choose between 'normal', 'quiet' and 'debug'.
</option>
</options>
<element name="verification">
<p>
All audio formats do not carry an equal measure of error protection.
What Python Audio Tools is capable to detecting depends on the
audio format.
For example, FLAC files have their frame checksums verified,
in addition to the file's MD5 hash.
Files packed in Ogg containers have their Ogg page checksums verified.
However, for formats such as Wave, there is no standard way to verify
that its data content is correct; we can only ensure that its
blocks of data are the correct size.
</p>
</element>
<element name="accuraterip">
<p>
Verifying lossless tracks against AccurateRip's online
database is a way of ensuring one's rips are identical to
rips performed by other people.
The confidence level is the number of other people
who have the same rip, so a larger value indicates
one's own rip is consistent with those of others.
However, not finding one's rip in the AccurateRip
database does not necessarily mean the rip is bad;
the CD may be new, rare, or a different
pressing than the one in the database.
</p>
</element>
<examples>
<example>
<description>
Check all FLAC files in the current directory:
</description>
<command>trackverify *.flac</command>
</example>
<example>
<description>
Check only MP3 files found in the directory audio/
</description>
<command>trackverify -t mp3 audio/</command>
</example>
</examples>
</manpage>
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