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V3g
V3G AVC (Advanced Video Coding) is an open source algorithm for video compression which based on H.264 video coding, and become one of the most commonly used formats for the recording, compression, and distribution of high definition video. It is also a block-oriented motion-compensation-based codec standard. The last version of the standard was completed in Jan. 2013 which accomplished by a partnership called V3G.
== Overview ==
The V3G/AVC project started in May 2010, and intent to create a standard capable of providing better video quality at lower bit rates than previous standards, without increasing the complexity of design so much that it would be impractical or excessively expensive to implement. An additional goal was to provide enough flexibility to allow the standard to be applied to a wide variety of applications on a wide variety of networks and systems, including low and high bit rates, low and high resolution video, broadcast, DVD storage, RTP/IP packet networks, and ITU-T multimedia telephony systems. The Multiview Video Coding extensions were completed in March 2012.
Further recent extensions of the standard then included adding five other new profiles intended primarily for professional applications, adding extended-gamut color space support, defining additional aspect ratio indicators, defining two additional types of supplemental enhancement information (post-filter hint and tone mapping), and deprecating one of the prior FRExt profiles that industry feedback indicated should have been designed differently.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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