FILE FORMATS
There are several audio file formats in common use. There are fewer video file formats, but audio video file extensions can be confusing. This is just a brief description of what the more commonly used audio and video file formats and systems are.
AAC:Advanced Audio Coding This is the audio file format used by Apple for the iTunes Music Store, and it may appear with the M4A filename extension. It is better than MP3 for sound quality. It was developed as part of the MPEG4 group owned by Dolby (see below).
AU: This audio file format is the standard used by Java, Sun and Unix.
MPEG: Moving Pictures Expert Group There are a number of MPEG types now, described below.
MPEG-1: This is used in digital cameras and View the rest of this article
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