Differences between version 26 and predecessor to the previous major change of MPEG.
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| Newer page: | version 26 | Last edited on Sunday, January 10, 2010 1:39:41 pm | by LawrenceDoliveiro | Revert |
| Older page: | version 25 | Last edited on Sunday, January 10, 2010 10:33:39 am | by LawrenceDoliveiro | Revert |
@@ -7,9 +7,9 @@
The spec allowed for three different ways of encoding audio, called layers 1, 2 and 3. MPEG-1 audio layer 3 became very popular in the late 1990s as a way of distributing music on the Internet, because its compression allowed a music piece of several minutes' duration to occupy just a few megabytes, which was tolerable to distribute at dial-up speeds while still offering decent audio quality. These files, commonly known as "[MP3]" files, are essentially MPEG-1 files containing audio but no video.
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-* MPEG-2 extended the MPEG concept to handle a greater variety of resolutions (both low and high) and newer video and audio codecs
. MPEG-2 files are commonly found on [DVDVideo] discs.
+* MPEG-2 extended the MPEG concept to handle a greater variety of resolutions (both low and high) and a
newer video codec
. MPEG-2 files are commonly found on [DVDVideo] discs.
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* MPEG-3 was supposed to be a standard for use in HDTV. It was abandoned when it was realized that these needs could be easily met by either MPEG-2 or MPEG-4. Hence there is no MPEG-3.
