Slide 1 - Docbox
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Digital TV System Video Encoder Signal Source Audio Encoder Data Mux Modulator Amplifier Spectrum Division Multidefinition and Multiprogram HDTV SDTV (H264) SDTV HDTV SDTV LDTV LDTV Digital Television Standards American European Japanese Brazilian´s propose ATSC-Terrestrial Advanced Television Standard Committee DVB-Terrestrial Digital Vídeo Broadcast ISDB-T Integrated Services Digital Boradcast SBTVD Sistema Brasileiro de TV Digital Service Model Middlewa re Aúdio DASE MHP MHEG ARIB Canal DASE ARIB MHP MHEG DASE FLEX-TV ARIB HTML JAVA HTML JAVA HTML JAVA HTML MPEG2- MPEG2BC AAC DOLBY MPEG4AC3 AAC MPEG2- MPEG2BC AAC DOLBY MPEG4AC3 AAC MPEG2- MPEG2 BC -AAC DOLBY MPEG4AC3 AAC MPEG2- MPEG2BC AAC DOLBY MPEG4AC3 AAC Video Modulaç ão MHP MHEG ARIB JAVA 280i LD 480iSDTV 720pEDTV Transpor te DASE 1080iHDT V 280i LD 480iSDTV 720pEDTV MPEG4 MPEG2 MPEG2 – Fluxo de Transporte 1080iHDT V 280i LD 480iSDTV 720pEDTV MPEG4 MPEG2 MPEG2 – Fluxo de Transporte 1080iHDT V 280i LD 480iSDTV 720pEDTV MPEG4 MPEG2 MPEG2 – Fluxo de Transporte 1080iHDT V MPEG4 MPEG2 MPEG2 – Fluxo de Transporte 8-VSB COFDM COFDMBST 8-VSB COFDM COFDMBST 8-VSB COFDM COFDMBST 8-VSB COFDM COFDMBST 6Mhz 7Mhz 8Mhz 6Mhz 7Mhz 8Mhz 6Mhz 7Mhz 8Mhz 6Mhz 7Mhz 8Mhz Service Model Service South Korea USA Japan Finland Italy Nederland Australia Transmition ATSC/T-DMB ATSC ISDB DVB-T/H DVB-T DVB-T/H DVB-T/H Monoprogram HD HD and SD HD No No No HD Multiprogram NO SD SD SD SD SD SD Local / Local / Return Return Local Local Path Path Interactivity Return Path Mobility Portability Local / Return Path Local Local / Return Path ADSL No ADSL STFC STFC No No Yes No Yes Yes testing Yes testing IP over TS Data Encoder Audio Encoder Mux Video Data Mux Data DSMCC IP Encapsulator Modulation and Transmission IP over TS AV Program Codificador Audio Codificador Mux Vídeo Data Mux Encoder Audio Encoder Data Mux Vídeo IP Encapsulator Modulation and Transmission IP over TS – AV Program DVB-H Example MPEG-2 TV Service MPEG-2 TV Service DVB-T Modulator Áudio e Vídeo DVB-H IP Encapsulator MPE MPE FEC Time Slicing Mux MPEG-4 AVC MPEG-4 AVC Antenna 8K 4K 2K DVB-H TPS IPTV • SBTVD is focused on free to air TV Encoder Audio Encoder Data Mux Video IP Encapsulator In te rn e t