 To present faster frame rate in high definition to avoid judder (non-smooth, linear motion), enhancing 3-D film, televisions and broadcasting, other unresolved standards are the type of 3D glasses (passive or active), including bandwidth considerations, subtitles, recording format, and a Blu-ray standard.With improvements in digital technology, in the late 2000s, 3D movies have become more practical to produce and display, putting competitive pressure behind the creation of 3D television standards.There are several techniques for Stereoscopic Video Coding, and stereoscopic distribution formatting including anaglyph, quincunx, and 2D plus Delta.