A official joint Call for Proposals on video clip compression technology was issued in January 2010 by VCEG and MPEG, and proposals were evaluated at the to start with assembly of the MPEG & VCEG Joint Collaborative Team on Video Coding (JCT-VC), which took location in April 2010. A whole of 27 full proposals have been submitted. The initially doing work draft specification of HEVC was developed at the 3rd JCT-VC conference in October 2010.