A formal joint Call for Proposals on video compression engineering was issued in January 2010 by VCEG and MPEG, and proposals were evaluated at the 1st conference of the MPEG & VCEG Joint Collaborative Team on Video Coding (JCT-VC), which took spot in April 2010. A total of 27 complete proposals had been submitted. The 1st functioning draft specification of HEVC was made at the 3rd JCT-VC meeting in October 2010.