| MP4 ????
????? ?????? ??? ?? ??? ??? ?? MPEG-4, ? ????? ??? ???? ???
MP3 ?-MPEG-3. ??? ????? ?? ???? ????? ????? ????? ???? ?
MPEG-4 ??? 14 ?? ????? ?? *.mp4. ?? ????? ?????? ????? ?????
???????? ???????.
WMA ??? Windows Media Audio. WMA ??? ?????
????? ??? ????? ?? ??? ????????? ????? ????? MP3. ?? ?????
???? ???? ?? ???? ????? ??? ???? ????? ????? ???? ??????,
????? ???? ???? ???? ?? RA.
??? ????? ???? MP4 ? WMA, ????? ?????? ??
?????? ?????? MP4 ? ????? ??? ???? ?????? MP4 ???? ffdshow, DivX, XviD ??? '
????? WMA ???? ??? ???? ????? ????? MP4 WMA. ???
???? MP4, ????? ?? ??? ??????, ?? ???? ???? ?? bitrate ?????
??? ?? ?? ????. Bitrate ???? ????, ?? ???? ????? ???? ????,
????? ??? ????? ????, ??????. ??? ?? ????? ??? ????? WMA ?
MP4.
HDTV ????? ???????? High Definition ???
??? ???? ??? ???? ????? ????? VCD ?? ????? ?-DVD. ??????????
HDTV ???? ?????? ????? ???? ??? ??????? ????? ????? ?? DTV
(???????? ????????). ????????? ?? HDTV ???? ????? ???? ???
1920 × 1080 ????? ??? ????? ???? ????? ?? 60 ?????? ?????. ???
???, ??? ????? ?? ?????????? ????????? ???? ????? ?? ????
?????? ??? ???? ????.
??? ???? HDX4 HDTV ?? ffdshow ?? codecs
????? ???? HDTV to wma.
DVB ???? ???? ????? ????? ???????. ?? ????
?? ????????? ????? ???????? ?????? ???? ???????? ????????
??????? ?"? DVB Project, ????? ??????? ????? ?? ??? ????? ?
-300 ???? ?????? ?? ??? ?????? ?????? ??????? ?????? ?? ???
?????? ???? ?????? ??????? (ETSI), ?????? ????????
Electrotechnical ??????????? (CENELEC) ? ??????? ????? ??????
(EBU). ????? ????? DVB ???? ????? ?? ????? ????? ???????
????????? ???? ????? ??????, ?????, ?????, SMATV, MNDSD, ???
???? ?-DVD ?? ?????? ?? DVB-S, DVB-C, DVB-T, DVB-SMATV, DVB-MS
?-DVB -MC.
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