?v?????^?p?\??

3GPP?Ή???QuickTime???ڎw???̂́`?t?????N?E?J?T?m?o?񐢂ɕ???

3GPP?ɏ???????QuickTime???o?ꂵ?????ƂŐg?߂ɂȂ????A?g?ѓd?b?̓???‹??B?ǂ̂悤?ȋ??͑̐??ŃT?|?[?g???i?񂾂̂??AQuickTime?͌g?ѓd?b?ɉ????????炷?̂???????Apple?̃t?????N?E?J?T?m?o?񐢂ɕ?????

?@QuickTime???ŐV?o?[?W??????3GPP?K?i???T?|?[?g?????i6??10???̋L???Q?Ɓj?BApple?́A?Ȃ?3GPP???T?|?[?g?????̂??A?ǂ̂悤?Ȑ헪?̌??łǂ?ȋZ?p?????܂?Ă???̂???????Apple??QuickTime?v???_?N?g?E?}?[?P?e?B???O?f?B???N?^?[?A?t?????N?E?J?T?m?o?񐢂ɕ??????B

MPEG-4?֘A?̘b?Ȃǂɂ????āA??◝?????ɂ????T?O??p?ꂪ?o?ꂷ??B?????ɂ‚??Ă͊ȒP?ɐ???????͓̂???̂ŁA?ʋL???ʼn??????\?肾

ZDNet?FNTT?h?R???????߂?MPEG-4?̃f?????s?????̂́A2002?N??2???A?r?o???[?q???Y?ōs??ꂽ?uQuickTime Live?v?ł̂??Ƃł????B???ꂩ?獡??̔??\?܂ł????Ԃ?Ǝ??Ԃ????????????R?́B

?t?????N?E?J?T?m?o?񐢁F?܂??????V???????삾???炾??B???o?C???p??MPEG-4?????藧?‚??߂ɂ́A????????̗v?f???ꏏ?ɂȂ??ċ@?\???Ȃ???΂Ȃ?Ȃ??BApple??PC?ł̃R???e???c????ƍĐ????T?|?[?g???Ȃ???΂Ȃ?Ȃ????A?g?ѓd?b?̑??̓f?o?C?X?ł̃T?|?[?g???K?v?ɂȂ?B?C???t????????????Ȃ???΂Ȃ?Ȃ????A?p?[?g?i?[?ɂ??R???e???c??????K?v???낤?B??????1?‚ł?????????Ӗ????Ȃ??Ȃ??Ă??܂??B

?@????????̊?Ƃ??ꏏ?ɂȂ???1?‚̑傫?ȃT?|?[?g?????悤?Ƃ??Ă???񂾂???A???낢??Ȃ??Ƃ????X?ɏo?Ă???͓̂??R???낤?H?@??X?̓??C?Z???X???󂯂Ȃ???΂Ȃ?Ȃ??B?h?R???́A??X????????R???e???c?̌݊??????m?F???邽?߂ɋƖ????g?????Ȃ???΂Ȃ?Ȃ??B?????????????Ƃ͂??ׂĎ??Ԃ??????邪?A?ɒ[?Ɏ??Ԃ??????????Ƃ????킯?ł͂Ȃ??B?K?v?Ȏ??Ԃ??????񂾁B

?@?t?ɁA????????ċ}???ō??ƁA??肪?o?Ă??邱?Ƃ??\???ɂ??蓾??񂾂?B?Ƃɂ????A???A?????Ă???񂾁B?f???炵?????Ƃ??낤?H

ZDNet?FNTT?h?R???Ƃ̊Ԃł́A?ǂ̂悤?ȋ??͑̐????Ƃ?ꂽ?̂ł????B

?@?܂??A?ނ炪?[???ŕK?v?ȃT?|?[?g?̃A?E?g???C???????߂āA??X?́A?ނ?̃X?y?b?N?Ɋ?Â????\?t?g?E?F?A????????񂾁B?????ăe?X?g?????āA??肪?o????߂??ăt?B?b?N?X?A?????Ă܂??e?X?g?c?c?B

?@???????āA?ǂ??i???ɂȂ????i?K?ŁA?\?t?g?E?F?A???h?R???̃R???e???c????̃l?b?g???[?N?ɑ΂??Ē񋟂????B?????ɂ͂???????̃g?b?v?E?v???o?C?_?[?????āA?ނ炪??????i???[?V?????R???e???c??S?č???Ă???񂾁B

?@?h?R???Ƃ͔??ɂ????֌W??z?????Ƃ??ł????B?ƂĂ??I?[?v???ŁA?B?????Ȃ??v???W?F?N?g??i?߂邱?Ƃ??ł?????B

ZDNet?F3GPP?t?H?[?}?b?g?̒???Mobile MPEG-4??I???ł??܂????A????͋L?Ҕ??\??ł????ꂽ?悤?ɁA?X?^???_?[?h?ł͂Ȃ??Ƃ??????ƂȂ̂ł??傤???B

?@?u?X?[?p?[?Z?b?g?v?Ƃ??????ƂɂȂ?B????͕W???K?i?Ƀh?R?????񋟂??????T?[?r?X??t???????????̂??B

ZDNet?F3GPP?R???|?[?l???g?̃_?E?????[?h?y?[?W??Voice Age?i?L???Q?Ɓj?̖??O??????܂????A????͂ǂ????????֌W?Ȃ̂ł??傤???B

?@Voice Age?ƃG???N?\???ƃm?L?A?B????3?‚?AMR?R?[?f?b?N?i?p???Q?Ɓj?̎?v?ȃp?e???g?ێ??҂??B???ł??AVoice Age??AMR?̃??C?Z???X?̃I?[?\???e?B?Ȃ񂾁B??????A?ނ?ƈꏏ?ɓ????āA?z?z?̌????𓾂??Ƃ??????Ƃ??B????̓??C?Z???X???󂯂Ă???ق??̉?ЂƓ??????@????B

ZDNet?F?ʂ̘b??ɂ‚??Ď??₳???Ă????????B?J?????t????CLIE?ō쐬????????t?@?C???ł́u.mqv?v?Ƃ????g???q???g???Ă??܂????A??????u.mov?v?ɕύX?????QuickTime?ōĐ??ł???悤?ɂȂ?܂??B?\?j?[?Ƃ̊Ԃł͂ǂ??????????͂??Ȃ???Ă????ł????B

?@?ނ??QuickTime?t?@?C???t?H?[?}?b?g?̃??C?Z???X???󂯂Ă???B?g???q?͈Ⴄ???ǂˁBCLIE?𔃂??ƁA???Ɂu?u???[Q?v?̃??S???????Ă????B

ZDNet?FQuickTime?͂??ꂩ??ǂ??Ɍ??????̂ł??傤?B

?@??????AMPEG??3GPP?Ƃ??????u?ƊE?W???v?ɉ????Ĕ??W???Ă??????ƂɂȂ?B?Ǝ??K?i?H????i?ނ??Ƃ͂Ȃ??B

?@???????W???ł???MPEG-4??3GPP?̒??ł?????A?ƊE?̔??W?ɏ]???āA?V?????R?[?f?b?N?A?t?H?[?}?b?g???o?ꂵ?A?̗p????Ă??????ƂɂȂ?B

?@QuickTime?????????????W???ɑΉ????邱?ƂŁA??????R???e???c????҂??T?|?[?g???Ă????????B

ZDNet?F????AMPEG-4?ɂ????āA?ق??̃v???t?@?C???A?Ⴆ??ASP?iAdvanced Simple Profile?j??H.264?Ƃ??????v???t?@?C????R?[?f?b?N?i?p???Q?Ɓj???T?|?[?g????\??͂???̂ł??傤???B

?@??X?ɂƂ??āAH.264?̂ق????????[???Ƃ??????Ƃ????͌?????ˁB???Ƃ????Ă??N?I???e?B??????I?ɗǂ??Ȃ??Ă??邩??BH.264?ɂ‚??ẮA?ϋɓI?ɒ??????Ă???Ƃ???ŁA???????ł?????A?Љ??Ƃ??????ƂɂȂ邾?낤?B

[?o?? ?N, ITmedia]

Copyright © ITmedia, Inc. All Rights Reserved.