Sony at NAB announced Long GOP (4K 4:2:0 and HD 4:2:2) as choice of high-efficiency codec to serve more widely the requirements of the content production market.
In addition, to serve the consumer market, XAVC S employing MP4 wrapping format is also introduced as its expansion of XAVC. Sony hopes that this expansion will encourage growth of 4K content in the consumer market.
"XAVC S" profile
- Resolution: 4K (3840 x 2160), HD, and Proxy
- Compression: MPEG-4 AVC/H.264
- Wrapping format: MP4
- Audio: Linear PCM and AAC
XAVC is introduced as an open format, to serve as a driver to promote and establish 4K content production infrastructure. A license program is proposed not only for editing software manufacturers but also for hardware manufacturers. According to Sony, over 60 manufacturers have filed a request to become a licensee, and 31 manufacturers? products plan on their support for Sony XAVC format and workflow.