Both products provide pre-filtering and variable-bit-rate encoding for MPEG-1 and MPEG-2 video at low data rates. They are intended for video production on CD and DVD or for network transmission. MPEGPro MVR is a PCI card, while MPEGPro EMR is an external device connected to a computer through USB 1 or USB 2, allowing users to create high-quality MPEG streams on a laptop.
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