【正文】 siasat2 Asiasat2 Asiasat2Station Freq (MHz) SR(Msps)黑龍江內(nèi)黑龍江內(nèi)蒙蒙廣東廣東湖南湖南湖北湖北北京北京山西山西中央中央新疆新疆3834 (V)3827 (H)3840 (H)3847 (H)3854 (H)12329 (V)3716(V)4120 (H)Asiasat2 Asiasat2 Asiasat2 Asiasat2 Asiasat2 Asiasat2 Asiasat2Pas2Apstar1aSatelliteDVBCTI CONFIDENTIALDVB標(biāo)準(zhǔn)的組成DVBSDVBCETS 300 421 Digital broadcasting systems for television, sound and data services。 Framing structure, channel coding and modulation for digital terrestrial televisionETS 300 468 Digital broadcasting systems for television, sound and data services。 Framing structure, channel coding and modulation for Multipoint Video Distribution Systems at 10 GHz and aboveETS 300 749 Digital broadcasting systems for television, sound and data services。 The Common Scrambling system descriptionTS 101 197 Digital Video Broadcasting (DVB)。 DVB interaction channel for Cable TV distribution system (CATV)ETS 300 801 Digital Video Broadcasting (DVB)。 Allocation of Service Information (SI) codes for DVB systems.? [7] ETR 211: Digital Video Broadcasting (DVB)。DateNetworkInformationBouquetAssociationServiceDescriptionEventInformationRunningStatusTimeOffsetStuffingCTI CONFIDENTIAL服務(wù)信息描述 PSI四種類型的表構(gòu)成 PSI信息， PSI信息是復(fù)用器必須的信息? PAT – 節(jié)目關(guān)聯(lián)表– 節(jié)目入口點(diǎn)、索引? CAT – 條件接收表? PMT – 節(jié)目映射表– 節(jié)目、服務(wù)及 PCR和 PID的對應(yīng)關(guān)系? NIT – 網(wǎng)絡(luò)信息表CTI CONFIDENTIAL服務(wù)信息描述 SI下面的 9個(gè)表是 DVB擴(kuò)展的進(jìn)一步對服務(wù)和事件進(jìn)行描述? BAT – 服務(wù)花束（ Bouquet） 關(guān)聯(lián)表– 給出花束名和服務(wù)列表? SDT – 服務(wù)描述表– 對服務(wù)的描述 服務(wù)名、服務(wù)提供商? EIT– 事件信息表– 描述事件的名、開始時(shí)間、長度– 不同的事件可用不同的描述子CTI CONFIDENTIAL服務(wù)信息描述 SI（ 續(xù)）? RST – 事件運(yùn)行狀態(tài)表? TDT – 當(dāng)前時(shí)間和日期的信息描述表? TOT – 當(dāng)前時(shí)間和當(dāng)?shù)貢r(shí)間的時(shí)差信息表? ST – 填充表? SIT – 可選信息表（存儲時(shí)用）? DIT – 斷續(xù)信息表（存儲時(shí)用）CTI CONFIDENTIAL服務(wù)信息表? 所有的表都以數(shù)據(jù)段的形式插入 TS流中? 不是任何 TS需要所有的表? 除 EIT表外，其他所有的表不能被加密? 段做為語法語義結(jié)構(gòu)將 SI表映射到 TS流中? SI的語法結(jié)構(gòu)應(yīng)符合 MPEG2中定義的私用段的語法CTI CONFIDENTIALSI表的 PID分配? PAT ? CAT ? TSDT ? reserved ? NIT, ST ? SDT, BAT, ST ? EIT, ST ? RST, ST ? TDT, TOT, ST ? work synchronization ? reserved for future use ? DIT ? SIT ? 0x0000? 0x0001? 0x0002? 0x0003 to 0x000F? 0x0010? 0x0011? 0x0012? 0x0013? 0x0014? 0x0015? 0x0016 to 0x001D? 0x001E? 0x001FCTI CONFIDENTIAL table_id的分配? 0x00 program_association_section? 0x01 conditional_access_section? 0x02 program_map_section? 0x03 transport_stream_description_section? 0x04 to 0x3F reserved? 0x40 work_information_section actual_work? 0x41 work_information_section other_work? 0x42 service_description_section actual_transport_stream? 0x43 to 0x45 reserved for future use? 0x46 service_description_section other_transport_stream? 0x47 to 0x49 reserved for future use? 0x4A bouquet_association_section? 0x4B to 0x4D reserved for future use? 0x4E event_information_section actual_transport_stream, present/following? 0x4F event_information_section other_transport_stream, present/followingCTI CONFIDENTIAL table_id的分配（續(xù) ）? 0x4F event_information_section other_transport_stream, present/following? 0x50 to 0x5F event_information_section actual_transport_stream, schedule? 0x60 to 0x6F event_information_section other_transport_stream, schedule? 0x70 time_date_section? 0x71 running_status_section? 0x72 stuffing_section? 0x73 time_offset_section? 0x74 to 0x7D reserved for future use? 0x7E discontinuity_information_section? 0x7F selection_information_section? 0x80 to 0xFE user defined? 0xFF reservedCTI CONFIDENTIALNIT表的 定義work_information_section(){table_id 8 uimsbfsection_syntax_indicator 1 bslbfreserved_future_use 1 bslbfreserved 2 bslbfsection_length 12 uimsbfwork_id 16 uimsbfreserved 2 bslbfversion_number 5 uimsbfcurrent_next_indicator 1 bslbfsection_number 8 uimsbflast_section_number 8 uimsbfreserved_future_use 4 bslbfwork_descriptors_length 12 uimsbffor(i=0。i++){transport_stream_id 16 uimsbforiginal_work_id 16 uimsbfreserved_future_use 4 bslbftransport_descriptors_length 12 uimsbffor(j=0。i++){service_id 16 uimsbfreserved_future_use 6 bslbfEIT_schedule_flag 1 bslbfEIT_present_following_flag 1 bslbfrunning_status 3 uimsbffree_CA_mode 1 bslbfdescriptors_loop_length 12 uimsbffor (j=0。i++){event_id 16 uimsbfstart_time 40 bslbfduration 24 uimsbfrunning_status 3 uimsbffree_CA_mode 1 bslbfdescriptors_loop_length 12 uimsbffor(i=0。i++) { content_nibble_level_1 4 uimsbfcontent_nibble_level_2 4 uimsbfuser_nibble 4 uimsbfuser_nibble 4 uimsbf}} CTI CONFIDENTIAL內(nèi)容級與內(nèi)容的關(guān)系level_1 level_2 Description0x0 0x0~0xF undefined contentMovie/Drama:0x1 0x0 movie/drama (general)0x1 0x1 detective/thriller0x1 0x2 adventure/western/war0x1 0x3 science fiction/fantasy/horr