| Filename extension | .cmx |
|---|---|
| Developed by | Warner, Universal, Sony |
| Type of format | Audio |
| Container for | audio, lyrics, album art, liner notes, etc. |
The Connected Media Experience is a non-profit Standard-Setting Organization (SSO) formed to promote a technical standard for enhanced digital media packages. The specification for the package format is intended to be applicable to a variety of content types, including music, movies, news, books, and others. The working name “CMX” has been used in the past for this initiative.
Where possible, the package format is based on existing free and open technology. The package format: uses familiar codecs such as MP3, allows users to access files and content within a format package even if they don’t have a compatible player; and can apply to single tracks (in the case of music) or to entire albums. DRM is not part of the specification, but can be used for the files within the package at the discretion of the content provider.
While the details of the specification are not yet public, a general description of the package format are available at the Connected Media Experience Web site[1]. As explained in the Technical Overview[2], CMX is principally made up of open source technologies, including:
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