MPEG-1 ???? MPEG-2 ????? ????? III ?? ????????? ???????? ??????.??????? ??????? ????????????? ?????? -1 ???? ??????? ??????? ????????????? ?????? -2 ????? ????? III (????????: ??????? -1 ???? ??????? -2 ????? ????? III ), ?????? ?????? 3 ??? ??????????, ^[1] MP3 ?????"???????????? ??????" (OCF)?? ???????? ???????,, ????????????? ???????? ??? ??????? (PXFM) ????? ????????? ???? . ??? ? ???? ?? ?????? ??????? ????? ???????, ???? ????????? ???????? , ??? ????? ???? ?????????? ???? ?????????????, ???? ?????????? ?????????? ???? ??????? ????? ???? ????? ??????? ??????????? ?????? ????? ??????? ??????? ????????????? ???????????? ???????????????. ???? ???? ???????????? ???????? ?????? ????, ???? ?????????? ????? ???? MP3 ????? ????? ?????? ???????? ???????? ????. ?????????? ??????????????? ???????? ????? ???? ???????????? ???????? ?????? ???????? ????? ?????? 1991 ?? ??????? ????????????????. MP3 ????? ???????? ????? ????????? ??????? ???????.

?????? ????????? ????????? ????????? ???????????? MP3 ?????? ???? ????? ???? ???? ???????, ???? ???? ???? ?????? ??????????? ???? ?????? ????????. ????????, 3 ??????? ?????? ?? WAV ???? 30 ????????? ????????? ???????, ??? ???? MP3 ??????????? 3 ????????? ????????? ???????. ????????? ? ???????? ????????? ?????? ????? ??????? ????? ????????? ??????? ???????.

MP3 ??????? ???????? [ ?????? ]

???? ????? ????? MP3 ?? ???????? ????????? ??????????? ??????? ?????????? ?????????. ??? ???? ???? ???????????? ????????? , ??? ????? ???????? ?????? (20 - 20,000 ???????? ??????? ??????) ???????? ????????????, ?????? ???? ????? ????????? ????????? ??????? ???????. ????? ????????? ?????? ???????????, ??????????? ????????????. ??? ?????? ????????? ????????? ????????? ???????????? ????????? , ??? ?????? ???? ????? ??????? ????? ?????? ???????????? . ???????????? ???? ????????, ??????? ??????? ??????????.

????? ????? ? ???????? ?????????????? ??????????????? ???????????????? ??? ???? ???????? MP3 ?? ?????????????? . MP3 ??????? ???????? ???? ??????? ???????? ???????? , ??? ???? ??????? ????? ???????? ????????? ?? ????????? ???????????.

???? ?????? ??????????? ???????????? ?????? ?????????? ??????????? MP3 ???????? ???????? ???????? ?????????? ?????????????:

32-??????? ???????? ????????????? ??????? ( PQF )

36 ???? 12 ?????? ???????? ??????? ?????? ???????

?????? [ ?????? ]

????-????????? MPEG ????? ??????? (????? 1, ????? 2, ????? 3) ???????????????, ISO MPEG ????? ????? ??????? ?? ????? ISO 11172-5 ??? ????????? ??????????? ?????????????? ????????? ??????. ??? ?????? ?????-???? ????????? ???????????? DSP ??????? ?????????? ????? ????? ????? ????? ???? ??????????? ???????????? ???????????????. ??????????? ?????????, ????-???? ??????? ???? ??????? ??????? (?????? DAB, TV DVB) ???? ??? ?????? ?????? ??? MPEG ???????? ????????? ??????.1972 ?? ?????? ?????? ????????????? ?????? ????????? ???? ?????????????? ??????? ????? ??????? ?????? ?????????????? (??????) ?? 1973 ?? ??. ???????, ??. ???. ??????? ?????? ????????? ??????; ???? ???? ???????? 1974 ?? ???????????? ^[2] .??? 1987 ?? ??. ??. ??????????, ?. ???????. ???????, ?. ??. ???????? ????????????? ???????? ??????? ?????? ?????????????? (????????) ??????????? ???????????, 1986 ?? ??????????, ???????? ????? ??????? ????? ?????????. MDCT ?????? MP3 ????????? ????? ?????? ?????? ???????

??????, ???? 7, 1994 ?, ??????????? ?????? l3enc ??? ????? MP3 ??????????? ?????? ??????? .

??????????? ????????? ????? ???? 14, 1995 ? ".mp3" ??????????? ????????? (????? ????????? ".bit"). ?????????? ????? ???? ??????????? MP3 ??????? ????????? 3 (?????????? 9, 1995 ? ?????? ?????????) ????????? ???? ???? ?????? ?? ????????? ???????????? MP3 ???????? ??????? ???? ?????? ???? ????????. ? ?????? ?????????? ????? ?????? ???????? ??????? (500 MB ?????? ), ???????????? ????? ?????????? ????? ????????? ? ????????? ?????.

?????? [ ?????? ]

1. ↑ Finlayson <finlayson@live555.com>, Ross. "A More Loss-Tolerant RTP Payload Format for MP3 Audio" . tools.ietf.org (in ????????) . Retrieved 2020-08-28 . {{ cite web }} : CS1 maint: numeric names: authors list ( link )
2. ↑ "DCT-History_How I Came Up with the Discrete Cosine Transform | Data Compression | Applied Mathematics" . Scribd (in ????????) . Retrieved 2020-08-28 .