Welcome to the ZyXEL Networking Glossary - your definitive source for descriptions of networking terms and ZyXEL's product features.
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"H.264, MPEG4 and MJPEG are CODECs (Compression / Decompression) used to digitize video. H.264 and MPEG4 both reduce bandwidth and storage by examining groups of images when they compress video. MJPEG requires low CPU use but high bandwidth and storage use. MPEG4 requires more CPU use but less bandwidth and storage use. H.264 requires the most CPU use but the least bandwidth and storage use. "