Free music file formats software for linux

iTunes is a Music Library File Format.

SYNOPSIS

This file describes the iTunes Music Library file format for application versions 1.1.2 and 3.0.

The iTunes Music Library file contains a series of variable length blocks. The first part of the file refers to iTunes in general and to the number of playlists the file contains.

The middle part holds all of the MP3 data, which is only stored once per item. Each item has a unique identifier used later in the file. The last part of the file contains a list of playlists, and within each playlist is a list of the item identifiers from the middle of the file.

Markers

Each block of data begins with a four letter marker which denotes the type of block. Some blocks contain sub-blocks, which means you cannot simply read to the next marker.

The blocks show up roughly in this order:

hdfm -- file header
hdsm -- part header ?
htlm -- master items list header ?
htim -- master item record
hohm -- data sublock, multi-purpose (in htim, hpim blocks)
hplm -- playlist list header ?
hpim -- start of playlist block
hptm -- item indentifier sub-block for hpim

Artekopia Netjuke is a cross-platform Web-based audio streaming jukebox powered by PHP 4 and an increasing choice of databases.
MP3, Ogg Vorbis, ASF/WMA, and other music file formats are supported. Artekopia Netjuke aims to enable small organizations or communities run a private "mp3.com-like" Web site to access the music they legitimately own, distribute, or are granted access to.
It supports most audio players, language packs, optional file downloads, media protection schemes, multi-level security, shared and private playlists, random playlists, images, etc. It also features an unusual, easy-to-use installer module to get you started in minutes.
Main features:
- Open Source License - Netjuke is distributed under the terms of GNU Public License
- Cross Platform Design - Netjuke is designed to run seamlessly on both the Windows NT and Unix-like platforms (Linux, FreeBSD, Mac OS X, etc.)
- Database Independence - Currently supported databases are MySQL and PostgresSQL
- Multilingual - Currently supported languages include Spanish, French, Catalan, Italian, Russian, Norwegian, and Dutch.
- Multi-user Web Jukebox - All music controlled by Netjuke is accessible by all users via the web at any time. There are multiple security levels and a protection feature to control who has access to the media library.
- Private and Shared Playlists - Netjuke provides a flexible playlist system that allows for both private and shared playlists and allows items to be edited, reordered. randomized, and sorted in a variety of ways.
- Relational Database Backend - Since Netjuke uses a relational database, it escapes the filesystem metaphor and allows you to view your media collection from a higher level and utilize powerful metadata features.
- Quick and Advanced Searching - Flexible search options make it easy to locate the media you are looking for by searching by title, artist, album, genre, comments, lyrics, and license.
- Alphabetical Listings - All musical groupings are available in alphabetical listings.
- Explore Interface - The media archive can be presented in a group based explore interface that makes finding new music as easy as browsing a record store.
- Server Side Playback - Netjuke supports a variety of methods for centralized playback on the machine hosting the web application.
- Streaming Radio - IceCast and QuickTime Streaming Server can be utilized to provide a streaming radio station for media managed by Netjuke.
- Automated Import - Netjuke will recursively search your media collection and automatically import any new media encountered.
- Tag Editing - Netjuke can optionally edit the metadata tags associated with your media as you make changes through the web site.
- Individual and Batch Editing - Metadata can be edited at an individual track level or as a related group.
- Automatic Detection of Changes - Netjuke will automatically detect changes to managed files and resynchronize the database.
- Music Directory Browser - A filesystem browser provides a view of the managed media as it exists on disk.
- Duplicate Track Finder - A flexible utility for finding duplicate pieces of media is provided. Say goodbye to redundant songs!
- Delete to Trash - Netjuke maintains a special trash directory that contains all songs that are deleted via the web interface. This provides additional security for your media collection and allows mistakes to be quickly undone.
- Themeing - The user interface is highly customizable and a flexible CSS based themeing system is built into the core interface.
- Media Protection - Netjuke can handle all serving of media itself, preventing unauthorized access to your media through the web server.
- XML Support - Netjuke can produce rich XML representations of the content and metadata it manages, allowing interoperation with other systems.

Siren is a music player for GNOME with an extremely minimalist interface. It is written in Perl and uses the GTK2-Perl libraries, and GStreamer.

jjukebox is a multiuser music server capable of selecting music appropriate to its current listeners. Its robust enough for you to store your music (for example, the popular mp3 format) over different locations (network drives, cdroms) and not hang when any device fails.
The music server has been designed around reliability and extensibility, making it extremely reliable even when running under very dubious circumstances.
There is no limit to the amount of music other than the resources of the computer that you are running jjukebox on, or what types of music you can add to the music server, jjukebox can play many different types of music format thanks to Suns JavaMedia framework, and JavaZooms JavaLayerPlayer
Main features:
- Robust management of music mounted on other computers - if a remote computer becomes unreachable jjukebox automatically unmounts all the music stored on it without affecting play.
- Ratings system - so that people can rate tracks they like/hate and jjukebox will do its best to only play tracks people currently logged into it like.
- Programmable fading between tracks for smooth music transitions.
- Coded in pure java - can run on any platform with a conforming Java Virtual Machine
Enhancements:
Added in this release:
- A new looping queue - Plays the current queue forever.
- Faster magazine loading and saving.
- Beta GUI Client.
- Beta DAAP server.
Fixes for this releaes:
- Installer bugs from previous versions fixed - GNOME and KDE shortcuts are now correctly created.
- Play bug where player would sometimes randomly stop playing between tracks has been fixed.
- Increased playback buffer to help prevent skipping on slower machines.
- Client/Server code tidied up and fixes done mainly concerning server responses.
- Updated player jars, and a fix for 1.5 (Java 5) vm where volume setting would cause an exception when a new track was started.
- Multicast DNS fixes, this will form part of server clustering and easy server locating for the GUI client.

Random Music plays random MP3 tracks from your music collection. It maintains a flat database of tracks, detailed genres, and weights, and generates a weighted random playlist from the user-selected genres.
The ID3 and ID3v2 fields (title/artist/album), detailed genre, and weight (0-9) for the currently-playing track can be edited, and tracks can be removed from the playlist.
For example, a user can select only tracks with a minimum weight of 5 from the subgenres "Pop - 1970s" and "R&B - 1970s", and the playlist will adjust accordingly.
Enhancements:
- This release adds features to the playlist editor.
- Playlist entries now include the album name, and selected tracks can be moved up or down.

BoomBasster is a music player that runs under DirectFB.

BoomBasster plays any type of music file that is supported by FusionSound.

The user interface uses alpha blending and works well with touchscreens.

BoomBasster is supposed to be used with the mouse.

Free Music Instrument Tuner is a musical instrument tunning application.
Main features:
- Error history
- Volume history
- Wave-length shape
- Harmonics ratio (Formants)
- Microtonal tuning (with Scala file support)
- ALSA support
- JACK support
- Translations for: francais

MPFC is an abbrevation for Music Player For Console. MPFC project is a full-featured curses-based playlist-oriented player.

MPFC supports a number of input file formats. This support is organised through input plugins model.

It means that the formats list - you must simply add a new plugin. Also there are plugins for output and effects.