MPEG1 and MPEG2 are standards for the non-specific coding of motion pictures and correlated audio data. These standards describe the incorporated lossy compression of audio and video procedure, which allows the storage and transmission of moving images with sound. The compression requirement for VHS quality digital video with a cd audio down to 1.5 megabits per second is MPEG1. The compression ratio of video without sacrificing too much quality is 26:1, and the rate or sound is 6:1.
This type of compression makes it visible for digital audio and television broadcasting, as well as the creation of video CDs. Various products and applications use the MPEGI standard, and especially the audio format has become enormously popular due to its wide variability. MPEG2 can be assessed as an enhanced MPEG1 in terms of quality as it is used for DVD productions. MPEG 2 can't be played with MPEGI that supports higher resolutions.
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