Appendix A. File Info

Table A.1. List of File Info Identifiers

Keyword Description
Album  Name of the album if the source is an album that consist of more medias.
Annotation  Provides general comments about the file or the subject of the file. If the comment is several sentences long, end each sentence with a period. Do not include newline characters!
Archival location  Indicates where the subject of the file is archived.
Author  Identifies the name of the author of the original subject of the file. Example: van Beethoven, Ludwig
Lower Bitrate  Specifies the lower limit in a VBR bitstream.
Bitrate Mode  Bitrate Mode (ABR, VBR, CBR, etc...)
Bitrate  Nominal bitrate of the audio stream in bits per second
Upper Bitrate  Specifies the upper limit in a VBR bitstream.
Bits per Sample  Specifies the number of bits per sample.
CD  Number of the CD, if the source is an album of more CDROMs
CDS  Number of CDs, if the source is an album of more CDROMs
Commissioned  Lists the name of the person or organization that commissioned the subject of the file.
Comments  Provides general comments about the file or the subject of the file. If the comment is several sentences long, end each sentence with a period. Do not include newline characters!
Compression  Sets a mode for compressing the audio data to reduce disk space.
Contact  Contact information for the creators or distributors of the track. This could be a URL, an email address, the physical address of the producing label.
Copyright  Records the copyright information for the file. If there are multiple copyrights, separate them by a semicolon followed by a space. Example: Copyright Linux community 2002
Copyrighted  Indicates whether the file is protected by copyright or not.
Date  Specifies the date the subject of the file was created. Example: 2001-12-24
Engineer  Shows the name of the engineer who worked on the file. If there are multiple engineers, separate the names by a semicolon and a blank.
Estimated Length  Estimated length of the file in samples
Filename  Name of the opened file
File Size  Size of the file in bytes
Genre  Describes the genre or style of the original work. Examples: classic, pop
ISRC  ISRC number for the track; see the ISRC intro page for more information on ISRC numbers. http://www.ifpi.org/site-content/online/isrc_intro.html
Keywords  Provides a list of keywords that refer to the file or subject of the file.
Labels  The list of labels/markers.
Length  Length of the file in samples.
License  License information, e.g., All Rights Reserved, Any Use Permitted, an URL to a license or the EFF Open Audio License (distributed under the terms of the Open Audio License. See http://www.eff.org/IP/Open_licenses/eff_oal.html for details), etc.
Medium  Describes the original subject of the file, where it was first recorded. Example: orchestra
Mime Type  Mime type of the file format
Emphasis  Audio emphasis mode
Layer  MPEG Layer, I, II or III
Mode Extension  MPEG Mode Extension (only if Joint Stereo)
Version  MPEG Version, 1, 2 or 2.5
Name  Stores the title of the subject of the file. Example: Symphony No.6, Op.68 "Pastoral"
Opus Frame Length  Opus Frame Length in ms (supported values are 2.5, 5, 10, 20, 40, or 60 ms)
Organization  Name of the organization producing the track (i.e. the record label)
Original  Indicates whether the file is an original or a copy
Performer  The artist(s) who performed the work. In classical music this would be the conductor, orchestra, soloists. In an audio book it would be the actor who did the reading.
Private  Indicates whether the subject is private
Product  Specifies the name or the title the file was originally intended for. Example: Linux audio collection
Sample Format  Format used for storing the digitized audio samples. Example: 32-bit IEEE floating-point
Sample Rate  Number of samples per second
Software  Identifies the name of the software package used to create the file. Example: Kwave v0.6.4-1
Source  Identifies the name of the person or organization who supplied the original subject of the file. Example: Chaotic Sound Research
Source form  Identifies the original form of the material that was digitized. Examples: Record/Vinyl/90RPM, Audio DAT, tape/CrO2/60min
Subject  Describes the subject of the file. Example: Bird voices at early morning
Technician  Identifies the technician who digitized the subject file. Example: Torvalds, Linus
Track  Track of the CD if the source was a CDROM.
Tracks  Number of tracks of the CD if the source was a CDROM.
Channels  Specifies the number of channels of the signal.
Base Quality  Base quality of the compression in VBR mode
Version  May be used to differentiate multiple versions of the same track title in a single collection. (e.g. remix info)