>Two simple datacompression techniques: >(1) Send out Exact Value followed by Relative Values >(2) Send out Exact Value followed by Incremental Values > >In both techniques you periodically 'recalibrate' by sending >out a complete, Exact Value. Subsequent numbers sent out >track only the changes or deviations or increments/decrements >from either the Last Exact Value or the last incremental >value. Oh, you mean MPEG. Andy ================================================================== Andy Kunz - Statistical Research, Inc. - Westfield, New Jersey USA ==================================================================