Glossary

3GPP The abbreviation for “Third Generation Partnership,” which was formalized in 1998. For more information, see also www.3gpp.org.

3GP File A 3GP file is specified in the 3GPP standardisation and designed for utilisation in the mobile sector. It is essentially based on the MP4 file format.

AAC (Advanced Audio Codec) AAC is an audio codec and specified in the MPEG-4 standard. AAC is an optional audio codec in the 3GPP specification and the mandatory audio codec in MPEG-4. See also http://www.chiariglione.org/mpeg/faq/mp4-aud/mp4-aud.htm.

Add-on An add-on is “software for software.” Effectively, it expands on the functionalities and capabilities of a piece of software.

AC-3 AC-3 is a audio codec developed by Dolby Laboratories and used ...

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