2.1.1. ATSC
ATSC (Advanced Television Systems Committee) - , , HDTV. ATSC .
Advanced Television Systems Committee (ATSC) 1982. . ATSC, , , , , .
ATSC - HDTV (High Definition TeleVision), SDTV (Standard Definition TeleVision), EDTV (Enhanced Definition TeleVision), , - , . ATSC NTSC-, , , . , ATSC, 1920x1080 16:9 MPEG2. , , 5.1 Dolby Digital AC-3. ATSC , HDTV.
2.1.2. DVB
DVB (. Digital Video Broadcasting) .
. (SPI), (SSI), (ASI). MPEG-2 (DVB-MPEG).
DVB:
DVB-S (SHF) QPSK, 8PSK 16-QAM,
DVB-S2 QPSK, 8PSK, 16APSK 32APSK,
DVB-C (VHF/UHF) QAM: 16-QAM, 32-QAM, 64-QAM, 128-QAM 256-QAM,
DVB-T (VHF/UHF) 16-QAM 64-QAM ( QPSK) COFDM .
4 :
(DVB-T),
(DVB-H),
(DVB-S),
(DVB-C).
- .
DVB- . DVB-C . DVB- .
2.1.3. ISDB
ISDB (Integrated Services Digital Broadcasting) - , . . HDTV, SDTV, , , ..
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Association of Radio Industries and Businesses (ARIB) Integrated Services Digital Broadcasting (ISDB).
ISDB - :
(ISDB-T);
(ISDB-S);
(ISDB-C);
( ).
ATSC DVB, ISDB- MPEG-2.
ISDB - RMP (Rights management & protection). , DVD HD-, - . ISDB, RMP. "copy once", "copy free" "copy never". . "copy once", , - ..
ISDB MPEG-2 , . BML (Broadcast Mark-up Language - ). .
ISDB-T EPG (Electronic Program Guides) ( , 10/100Base-T, , IEEE 802.11).
ISDB - , . B-CAS , . , RMP (Rights management and protection).
, . , ISDB-T HDTV 100 /, DVB-T SDTV, ATSC .
ISDB , 2003 . - ISDB , . ISDB-T .