MPEG is an ISO standard movie-encoding format. The MPEG converter for MATLAB takes a MATLAB movie matrix and writes the movie to disk as an MPEG file with file extension ".mpg" (MPGWRITE). It also takes an MPEG file and converts it into a MATLAB movie matrix (MPGREAD).

ftp://ftp.mathworks.com/pub/contrib/v5/graphics/mpgread/
ftp://ftp.mathworks.com/pub/contrib/v5/graphics/mpgwrite/

The user-contributed archive is a service to the MATLAB community -a place where MATLAB users can communicate ideas to one another. It is not a depository of MathWorks approved software; no warranties,
expressed or implied, are made by The MathWorks that the M/MEX files contained in the archive are error free. Use of these programs is at the user's own risk and The MathWorks disclaims all liability for injury or damage that may result from their use.