Herong's Tutorial Notes on CD/DVD
Dr. Herong Yang, Version 2.14

.MPG File Name Extension - MPEG Files

This section describes what is .mpg file name extension for MPEG (Moving Picture Experts Group) file.

.mpg is the file name extension for files that stores audio and video data together using the MPEG (Moving Picture Experts Group) formats developed by ISO/IEC.

There are several MPEG formats available today:

  • MPEG-1: Initial video and audio compression standard. Later used as the standard for Video CD, and includes the popular Layer 3 (MP3) audio compression format.
  • MPEG-2: Transport, video and audio standards for broadcast-quality television.
  • MPEG-3: Originally designed for HDTV, but abandoned when it was realized that MPEG-2 (with extensions) was sufficient for HDTV.
  • MPEG-4: Expands MPEG-1 to support video/audio "objects", 3D content, low bitrate encoding and support for Digital Rights Management.
  • MPEG-21: Defines an open framework for multimedia applications.

Audio data and video data stored in MPEG files may have different parameters compression codec. I have a sample MPEG-1 file, which has the following parameters:

  MPEG-1 System File [Video/Audio]
  Muxrate : 1.41 Mbps
  Estimated Duration: 28.36s
  Size [352 x 240]     29.97 fps    1.12 Mbps
  Audio : Mpeg 1 layer 2
  224 kbps  44100 Hz

MPEG files are usually generated by audio and video recording devices.

For more information on .mpg file name extension, go to MPEG Web site.

Sections in This Chapter

.MP3 File Name Extension - MP3 Files

.WAV File Name Extension - WAV Files

.WMA File Name Extension - Windows Media Audio Files

.ISO File Name Extension - ISO Files

.DAT File Name Extension - VCD Media Files

.INF File Name Extension - AUTORUN.INF Files

.IFO File Name Extension - DVD Infomation Files

.VOB File Name Extension - DVD Video Object Files

.AVI File Name Extension - Audio Video Interleave Files

.MPG File Name Extension - MPEG Files

Dr. Herong Yang, updated in 2007
.MPG File Name Extension - MPEG Files