3GP - This is MP4
format used for some mobile devices and cell phones
AAC -- (also known as
Advanced Audio Coder) is an audio encoding format that
was supposed to overtake MP3 format but really hasn't
AVI -- an Acronym for
Audio Video Interleaved is probably the most common file
format for storing audio/video on PCs in the world.
CD -- Stands for
"compact disc". A Circular disk that stores data or
music in optical form.
CD-R -- A CD which
can have data or music written to it once.
CD-RW -- A CD capable
of saving data or music over and over again.
Codec -- An acronym
for "Compressions/Decompression". A Codec is a
specialized program that encodes or reduces the number
of bytes used by large files and programs.
Combo Drive -- A
computer drive capable of reading and writing data to
either CD or DVD.
DivX -- a video
format developed by DivX, Inc. which is well known for
its ability to compress long video segments into small
DV -- Stands for
"Digital Video". This is video captured to a computer or
device (such as a TiVo®) from a digital
recording device such as a camcorder or digital video
DVD -- Stands for
"Digital Video Disc" or "Digital Versatile Disk". It is
about the same size of a CD but holds as much as seven
times the data/files. DVDs are used to store full length
motion pictures, backup computer data, store music and
DVD-R -- A DVD which
can have data, video or music stored to it once.
DVD-RW -- (also
referred to as DVD+RW) A DVD capable of saving data,
video or music over and over again.
DVD Chapter -- A
small segment of video (usually a scene). Chapters of
video make up an entire movie on a DVD.
DVR -- Stands for
"Digital Video Recorder". A recording device that saves
broadcasts to a hard drive in digital format. The most
common DVD is the TiVo®.
MOV -- (also referred
to as .mov) Apple® QuickTime's video file
format used in movies and animations.
MP3 -- A compressed
file format which allows audio files to be transferred
via the Internet and played on portable audio players
and MP3 players.
MP4 -- (also known as
mpeg-4, .mp4) -- is the file format used to store media
types defined by the ISO/IEC Moving Picture Experts
Group. It is the format used by Apple® for
video playback on the iPod Video Player. It is also the
format used by the Sony PSP and other MP3 video players.
MPEG -- Stands for
"Motion Picture Experts Group". This is the standard for
compressing and storing audio and video files on the
Internet and transferring them to portable audio/video
MPEG-4 -- See
Definition for MP4
.mp4 -- See
Definition for MP4
RM -- A Real Media
movie file which typically stores video clips and
RMVB -- an
abbreviation for "Real Media variable bitrate". Is a
file type used with Real Media Player.
SVCD -- Stands
for "Super Video CD". A CD capable of holding more video
and audio than a VCD.
TiVo -- A Popular
brand name manufacturer of DVRs.
VCD - Stands for
"Video Compact Disc". This is a CD which contains video
and audio files similar to DVD.
VOB -- A data file
used in DVDs to store video, audio, graphics or other
WMV -- Stands for
"Windows Media Video". A Streaming video file used to
transfer video and audio over the Internet.
.wmv -- is the file
format used by Windows Media Video Player.
XVid -- An open
source MP4 codec used by programmers to develop software