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Arbitrary slice ordering : ウィキペディア英語版 | Arbitrary slice ordering
Arbitrary slice ordering (ASO) is an algorithm for loss prevention. It is used for restructuring the ordering of the representation of the fundamental regions (macroblocks) in pictures. This type of algorithm avoids the need to wait for a full set of scenes to get all sources. Typically considered as an error/loss robustness feature. This type of algorithm is included as tool in baseline profile the H.264/MPEG-4 AVC encoder with I ''Slices'', P ''Slices'', Context Adaptative Variable Length Coding (CAVLC), grouping of ''slices'' (Slice Group), arbitrary slice order (ASO) and Redundancy ''slices''. == Applications ==
Primarily for lower-cost applications with limited computing resources, this profile is used widely in videoconferencing, mobile applications and security applications also. Arbitrary Slice Ordering (ASO) relaxes the constraint that all macroblocks must be sequenced in decoding order, and thus enhances flexibility for low-delay performance important in teleconferencing applications and interactive Internet applications.
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