What is the difference between .mpeg-2 and .ac3?
- Extension
- .mpeg-2
- .ac3
- Format
- Binary
- Binary
- Category
- Video
- Audio
- Developer
- Motion Pictures Expert Group
- Dolby Laboratories
- Description
- Video file encoded with the MPEG-2 codec, which is mainly used for over-the-air, satellite, and cable digital TV signals and DVD video; uses lossy compression for audio and video to significantly reduce the size of the video data; not as efficient as the H.264 format.
- Audio file saved in the AC-3 (Dolby Digital) audio format; can include up to six channels of audio (DD 5.1 surround sound with subwoofer output); uses lossy compression and often used as the format for DVDs, cinema theaters, and game consoles.
- MIME Type
- video/mpeg
- audio/ac3
- Sample
- sample.ac3
- Wikipedia
- .mpeg-2 on Wikipedia
- .ac3 on Wikipedia