Mau oyamba a Apple & # 39; s M4b Audiobook Format
Ma foni omwe amatha ndi malonda a .M4b angadziwike ngati mabuku a audio - izi zimagulidwa ku iTunes Store ya Apple. Zili zofananako (koma sizili zofananako) ku maofesi omwe amathera ku .M4a extension yomwe imagwiritsanso ntchito MPEG-4 Part 14 chombo (chomwe chimatchedwa MP4 ). Mndandanda wa MP4 ndi metafile wrapper yomwe ingagwire mtundu uliwonse wa deta (onse mavidiyo ndi audio) ndipo imakhala ngati chidebe cha mitsinje ya M4b. Momwemo, mawonekedwe a MP4 akuchokera pa apulogalamu ya Apple QuickTime koma amasiyana pang'ono poonjezera maonekedwe a MPEG ndi Initial Object Descriptor (IOD) chithandizo - ichi chidziwitso choyimira chimangotanthawuza zinthu zomwe zingathe kupeza MPEG-4.
Mauthenga omwe ali mu fayilo ya M4b amalembedwa ndi mawonekedwe a compact AAC ndipo akhoza kutetezedwa ndi apulogalamu a ApplePlay DRM otetezera makina kuti athetse ma kompyuta ndi ma iOS okha omwe apatsidwa mwa iTunes.
Ubwino wa M4b Format for Audiobooks
Chinthu chachikulu chakumvetsera mabuku a M4b audio ndi kuti mosiyana ndi MP3 , WMA , ndi mafomu ena omwe amagwiritsidwa ntchito kawirikawiri, mukhoza kuika zojambula pa nthawi iliyonse. Ngati, mwachitsanzo. mumamvetsera buku pa iPod yanu kapena iPhone imene mwagula kuchokera ku iTunes Store, mungathe kuyimitsa (bukhu) ndikuyambiranso kumene munasiya nthawi ina. Izi ndizophweka kwambiri kusiyana ndi kudutsa mu bukhu lonse ndikuyesera kupeza malo enieni omwe mukufunikira. Mabuku omvetsera angathe kukhala maola angapo ndipo motero mawonekedwe a M4b ndi osankhidwa bwino chifukwa cha chizindikiro chake.
Phindu lina la mtundu wa M4b ndilo limathandiza kuti buku lalikulu la audio lizigawike kukhala mitu monga buku lathupi. Pogwiritsira ntchito zizindikirozo, fayilo imodzi yokha ya M4b ikhoza kugwiritsidwa ntchito kuti ikhale yosamalidwa bwino kuti omvera azigwiritsa ntchito monga machaputala a bukhu.
Zina Zowonongeka: iTunes Mabuku ofotokoza