The KTA computer software was centered on the Joint Model (JM) reference software that was designed by the MPEG & VCEG Joint Video Team for H.264/MPEG-4 AVC. In 2004, the ITU-T Video Coding Experts Group (VCEG) began a significant study of engineering improvements that could help generation of a new video clip compression regular (or significant compression-oriented enhancements of the H.264/MPEG-4 AVC conventional).