Saturday, February 25, 2017
MP3 MP4 Digital Player ဆုိသည္မွာ
MP3 MP4 Digital Player ဆုိသည္မွာ
MP3, MP4 Digital Player ??????? ??????? ?????? ??????????????? ??????????? ???????????????? MP3, MP4 digital player ??????? ?????????????????? ???????????????? ?????????????????? Audio CD Player ?? ???????????????? ???????? ?????????????? ?????????????? ?????????? Laser Disc ??????????????????? ???????? ???????????? ????? Digital ???????????? ????????????????????? Audio CD Disc ??? ????????????????????? ?????? Audio CD ??????????????? ????????? (74)??????? ????????? (80)???????? ???????????????? ??????????? ?????? ????????????????? ??????????????????? (5) ????????????? ? Audio CD ??????????????? ??????? ?????? Audio Data File ? ?????? 52 Milion Bytes 52MB ??????????? CD ???????? (700MB/80Min) ????????? (52 Milion Bytes) ??? ???????????????????? (13) ???????? ???????? ???????????????? ????? Audio CD ?????????????? ?????????????? ?? ???????????????? ????????????????????? ??????? (700MB / 80Min) ????? ??????????????????????? ???????????????????? ????????? (130) ??? ?????? ????????????? (MP3) ??????? ????????????????????????????
????? ?????????????????????? ????????????? ????????? ???????????????????????? ????????????? ???????? ????????? (A Factor Of 10 To 14) ??? ????????????? (Compression Techniques) ????????????? ?????? ????? ???????????????????? (MP3 File) ????????? ????????????????? ????????????????????????????? ??????????????? (Audio CD) ??????????????????? ??????????????????? ?????????? (52MB) ?????????? ????????????????? (5MB) ??? ???????????????? ??????????????????????????????? ?????? ??????????? ???????? ??????????????????? ? (MP3 Files) ??????? ?????????????????????????
????? (A Factor Of 10 To 14) ??? ????????????? (Compression Techniques System) ?????????? ?????????????? ???????? (Moving Picture Experts Groups) ?? ?????????? ???? ????????? (MPEG) ?? ??????????????????????
(Moving Picture Experts Group) ??? (MPEG) ????? ???????????????????????????????????? ? (1978, 1980) ??????????????????? ????/?? ?????????????????? ??????????????? (Audio And Video Compression Transmission Techniques System) ?????????????????? ???????????????????? ?????? ????????????????? ????? ??????????????????????? ?????????????? ??????????????? ????????? (MPEG) ???????? (1988) ?????? ??? ???? ??????????????? "??????????" ????????? ???????????????
?????????? ????????????????????????????? ?????????????????????????? ??????? ???????????????? ???????????????????? ????????????????????? ?????????? ?????????????????????? (2005) ?????????? ?????????? ?????????? (???) ?????????????? ???????????????? ???????????????????? ? (MPEG) ?????????? ??????????? ????????? (Official Designation) ??? (ISO/IEC TTCI/SC25 WG11) ?????????? ? (MPEG) ??????? ????????? ??????????????? ???????????????????????? (MPEG1, MPEG2, MPEG3, MPEG4,....) ????? (MPEG21) ??? ????????? ???????????????? ??????????????????? ??????????
MPEG1 ?????
(MPEG1) ??? (Audio) ????? (Video) ???????????????????? ???????????????? (Data Format File) ??????? (Encoded) ???????? (Data File) ????? ?????????????????????? ?????????? ? (MPEG1) ????????? (Layer3 Audio Compression Format) ???? ????? ??????????????? ? (MPEG) ?????? ???????? ??????? (MPEG1 Layer3 Audio Compression Format ) ??? ?????????? ????????????????? ???? (MP3) ?? ??????????????????????? (MP3) ????????? (MPEG1) ???????? ??????????????????? ?????? ???????????? ??????????????????????????? ????????????????? ??????? (52MB) ?? (5MB) ??? ???????????????????? ?????????????? (13)???????? ??????????????? ??????????????????????? ?????????????????? (140) ??????? ?????????????????? (MPEG1 Layer3 Compression) ??? ?????????? (MP3) ?? ??????????? ??????????
MPEG2 ?????
(MPEG1) ????????? (MP3 Data File) ??????? ???????????????????????????? ???????????????????? (MPEG2) ????????? (Digital Television) ????????? ?????????????????????????? (ATSC, ISDB, Dish Network) ????? (Digital Satellite TV Series, Digital Cable Television Signals, SVCD, DVD) ???????? (MPEG2) ???????? ????????????????? ???????????? (MPEG) ?????? (MPEG2) ????????? (VCD, SVCD, DVD) ????? (Data File) ??????? ????????????????????? ??????????????????????
MPEG3 ?????
(MPEG) ??????? (MPEG1, MPEG2) ????????? ?????????????????? ??????? (MPEG3) ??? ????? ??????????????????????????? (MPEG3) ??? (Audio Video Signal) ??? ??????????? ????????? ????????????? (Data File) ????????????? ???????????????? ??????????? ??????? (MPEG2)??? ???? ??????????????????????????
(MPEG3) ???? (Audio, Video) ?????????? (Multi Resolution Compression) ????????? ????????????? ?????? ???????????????? ????????????? ??????????
MPEG4 ?????
(MPEG3) ??????? ????/?? ????????? ?????????? ????????????? (MPEG4) ??????? (Computer Graphic Application) ? ????????????? ??????????????? (3 Dimensional Shapes) ??????????? ??????? ???????? ????????????????????? ??????????? ????????????????? (Proprietary Technologies) ?????????? ??????? ???????????????? ????????????? ??????? ??????????????????
(MPEG4) ?? (MPEG8, MPEG11, MPEG21, MPEG A, MPEG B, MPEG C, MPEG E (???) EVD, Multimedia Middle World Audio & Video Technologies) ??? ????????????????????? ??????????
??????????????
(MP3) ????????? (MPEG1) ? (Audio Layer 3) ??? ????????? ??????????????????? (MP4) ????????? (MPEG4 Part 14) ??? ??????????? ?????????? (MPEG4 Part 14) ????? (Digital Audio) ????? (Digital Video) ??????? (Internet) ???????????????????? (Streaming Data) ????????? ???????????????????? (MPEG4 Part 14 File) ????? (Official File Extension) ??? (*.mp4) ?? ??????????? ?? (Container Format) ??? (MP4) ?? ?????????? ???????????? ???????????????????????? (MP3) ??? ?????????? ????????????????? (MP4) ?? ?????????????????????????????????? ???????????????????
??????????? (????????????????????)
??????????????????? ???????????????????
(???? (?)? ????? (?)? ???? ??????? ??? ????? ??????? (?)????????? ??????????) ?? ????????????????????
????? ?????????????????????? ????????????? ????????? ???????????????????????? ????????????? ???????? ????????? (A Factor Of 10 To 14) ??? ????????????? (Compression Techniques) ????????????? ?????? ????? ???????????????????? (MP3 File) ????????? ????????????????? ????????????????????????????? ??????????????? (Audio CD) ??????????????????? ??????????????????? ?????????? (52MB) ?????????? ????????????????? (5MB) ??? ???????????????? ??????????????????????????????? ?????? ??????????? ???????? ??????????????????? ? (MP3 Files) ??????? ?????????????????????????
????? (A Factor Of 10 To 14) ??? ????????????? (Compression Techniques System) ?????????? ?????????????? ???????? (Moving Picture Experts Groups) ?? ?????????? ???? ????????? (MPEG) ?? ??????????????????????
(Moving Picture Experts Group) ??? (MPEG) ????? ???????????????????????????????????? ? (1978, 1980) ??????????????????? ????/?? ?????????????????? ??????????????? (Audio And Video Compression Transmission Techniques System) ?????????????????? ???????????????????? ?????? ????????????????? ????? ??????????????????????? ?????????????? ??????????????? ????????? (MPEG) ???????? (1988) ?????? ??? ???? ??????????????? "??????????" ????????? ???????????????
?????????? ????????????????????????????? ?????????????????????????? ??????? ???????????????? ???????????????????? ????????????????????? ?????????? ?????????????????????? (2005) ?????????? ?????????? ?????????? (???) ?????????????? ???????????????? ???????????????????? ? (MPEG) ?????????? ??????????? ????????? (Official Designation) ??? (ISO/IEC TTCI/SC25 WG11) ?????????? ? (MPEG) ??????? ????????? ??????????????? ???????????????????????? (MPEG1, MPEG2, MPEG3, MPEG4,....) ????? (MPEG21) ??? ????????? ???????????????? ??????????????????? ??????????
MPEG1 ?????
(MPEG1) ??? (Audio) ????? (Video) ???????????????????? ???????????????? (Data Format File) ??????? (Encoded) ???????? (Data File) ????? ?????????????????????? ?????????? ? (MPEG1) ????????? (Layer3 Audio Compression Format) ???? ????? ??????????????? ? (MPEG) ?????? ???????? ??????? (MPEG1 Layer3 Audio Compression Format ) ??? ?????????? ????????????????? ???? (MP3) ?? ??????????????????????? (MP3) ????????? (MPEG1) ???????? ??????????????????? ?????? ???????????? ??????????????????????????? ????????????????? ??????? (52MB) ?? (5MB) ??? ???????????????????? ?????????????? (13)???????? ??????????????? ??????????????????????? ?????????????????? (140) ??????? ?????????????????? (MPEG1 Layer3 Compression) ??? ?????????? (MP3) ?? ??????????? ??????????
MPEG2 ?????
(MPEG1) ????????? (MP3 Data File) ??????? ???????????????????????????? ???????????????????? (MPEG2) ????????? (Digital Television) ????????? ?????????????????????????? (ATSC, ISDB, Dish Network) ????? (Digital Satellite TV Series, Digital Cable Television Signals, SVCD, DVD) ???????? (MPEG2) ???????? ????????????????? ???????????? (MPEG) ?????? (MPEG2) ????????? (VCD, SVCD, DVD) ????? (Data File) ??????? ????????????????????? ??????????????????????
MPEG3 ?????
(MPEG) ??????? (MPEG1, MPEG2) ????????? ?????????????????? ??????? (MPEG3) ??? ????? ??????????????????????????? (MPEG3) ??? (Audio Video Signal) ??? ??????????? ????????? ????????????? (Data File) ????????????? ???????????????? ??????????? ??????? (MPEG2)??? ???? ??????????????????????????
(MPEG3) ???? (Audio, Video) ?????????? (Multi Resolution Compression) ????????? ????????????? ?????? ???????????????? ????????????? ??????????
MPEG4 ?????
(MPEG3) ??????? ????/?? ????????? ?????????? ????????????? (MPEG4) ??????? (Computer Graphic Application) ? ????????????? ??????????????? (3 Dimensional Shapes) ??????????? ??????? ???????? ????????????????????? ??????????? ????????????????? (Proprietary Technologies) ?????????? ??????? ???????????????? ????????????? ??????? ??????????????????
(MPEG4) ?? (MPEG8, MPEG11, MPEG21, MPEG A, MPEG B, MPEG C, MPEG E (???) EVD, Multimedia Middle World Audio & Video Technologies) ??? ????????????????????? ??????????
??????????????
(MP3) ????????? (MPEG1) ? (Audio Layer 3) ??? ????????? ??????????????????? (MP4) ????????? (MPEG4 Part 14) ??? ??????????? ?????????? (MPEG4 Part 14) ????? (Digital Audio) ????? (Digital Video) ??????? (Internet) ???????????????????? (Streaming Data) ????????? ???????????????????? (MPEG4 Part 14 File) ????? (Official File Extension) ??? (*.mp4) ?? ??????????? ?? (Container Format) ??? (MP4) ?? ?????????? ???????????? ???????????????????????? (MP3) ??? ?????????? ????????????????? (MP4) ?? ?????????????????????????????????? ???????????????????
??????????? (????????????????????)
??????????????????? ???????????????????
(???? (?)? ????? (?)? ???? ??????? ??? ????? ??????? (?)????????? ??????????) ?? ????????????????????
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