DAT - is used to refer to a certain tape backup format. But in audio/video terminology it normally refers to files that Video CD has in its SEGMENT or MPEGAV directiories. These DAT files are basically MPEG-1 files with an additional information and certain specific file structure -- they are NOT "real" MPEG-1 files and you need to convert them back to "real" MPEG-1 files in order to edit them even that most of the software players treat them as regular MPEG-1 files.

Digital Audio Tape. A tape-based digital audio recording and playback system, developed by Sony, which use a sampling rate of 48 kHz (slightly higher than CDs, which use 44.1 kHz).

DAT cartridges can hold 1.3 to 2.2 GB of data; these cartridges are small and compact. In DAT drives, the tape moves past the recording head at 0.31 inches per second. The tape heads move in a spiral rotation from the bottom to the top of the tape to write each track diagonally on the tape. The combined movements of the tape and the rotating recording heads deliver a recording speed equivalent to 123 inches per second. ...

Digital Audio Tape, generally high-quality 4mm magnetic tape in a cassette, with capacities up to over 1 Gigabyte, that has been used in the computer arena mainly as an archival and back-up medium. For CD-ROM, it is used as a transfer medium. For DVD, which deals in gigabytes, DAT has been replaced by DLT.

Digital Audio Tape. Data Area In ISO 9660, the space on a CD-ROM where the user data is written. It begins at the physical sector address 00:02:16. Digital Audio Extraction The process of copying CD-DA audio tracks digitally, from your CD recorder or CD-ROM drive, to hard disk or to recordable CD. Not all CD-ROM drives support this (but most CD recorders do)! For more information. ...

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