Differences between MPEG2 and MPEG4
MPEG2 vs MPEG4 – Application
MPEG2 is the encoding method used for television broadcast and DVDs, while MPEG4 coding standard is primarily applied to portable devices and Internet streaming.
MPEG2 vs MPEG4 – Compression
Video or audio compression is all about maintaining the same audio or video quality in lesser number of bits. In
this respect, MPEG4 is much more compressed than MPEG2 because of the superior compression algorithm used.
MPEG2 vs MPEG4 - File Size
MPEG4 encodes video files with much smaller size as it can produce a full-length movie file less than 1G while MPEG2 can only yield movie files with 5 times the size. You can store MPEG2 files on DVDs for many DVD capacity is larger than 4 GB, but it is not applicable to portable devices. On the other hand, MPEG4 is smaller and makes it possible to buy and download videos online.
MPEG2 vs MPEG4 – Quality
MPEG2 produces flawless quality compared to MPEG4 but it is not made for multimedia applications or online streaming. Its large sizemakes it impractical for network streaming. While MPEG4 provides better video audio quality when streamed online.
MPEG2 vs MPEG4 – Bit Rate & Bandwidth
MPEG4 is aimed at low bit-rate video transmission. Files encoded in MPEG4 format have a much lower bit rate ranging from a few kilobytes per second to megabytes per second while MPEG2 is tens megabytes per second. MPEG2 requires much more bandwidth when streaming recorded or real-time videos online compared to MPEG4 because of its large size.
Summary: In conclusion, compared to MPEG-2, MPEG-4 is a far more versatile encoding format overall for its higher compression, smaller size and extensive applications, so ripping DVD to MPEG4 would be a good choice. Anyway, both MPEG2 and MPEG4 are popular formats used in different domains. Which one is more suitable for you is depend on your specific demands.