MPEG-7

MPEG-7 is a multimedia content description standard. Thus, it is not a standard which deals with the actual encoding of moving pictures and audio, like MPEG-1, MPEG-2 and MPEG-4. It uses XML to store metadata, and can be attached to timecode in order to tag particular events, or synchronise lyrics to a song, for example.

It was designed to standardise:

a set of description schemes and descriptors
a language to specify these schemes, called the Description Definition Language (DDL)
a scheme for coding the description

The combination of MPEG-4 and MPEG-7 has been referred to as MPEG-47.

Contents

Software/Demonstrators for MPEG-7

[Frameline 47 Video Notation]: Frameline 47 from Versatile Delivery Systems. The first commercial MPEG-7 application, Frameline 47 uses an advanced content schema based on MPEG-7 so as to be able to notate entire video files, or segments and groups of segments from within that video file according to the MPEG-7 convention.
[IBM VideoAnnEx Annotation Tool]: Creating MPEG-7 documents for video streams describing structure and giving keywords from a controlled vocabulary (binary release, restrictive license)
[MPEG-7 Audio Encoder]: Creating MPEG-7 documents for audio documents describing low level audio characteristics (binary & source release, Java, GPL)
[TU Berlin MPEG-7 Audio Analyzer] (Web-Demo): Creating MPEG-7 documents (XML) for audio documents (WAV, MP3). All 17 MPEG-7 low level audio descriptors are implemented.
[TU Berlin MPEG-7 Spoken Content Demonstrator] (Web-Demo): Creating MPEG-7 documents (XML) with SpokenContent description from an input speech signal (WAV, MP3).

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