Digital TV System Video Encoder Signal Source Audio
- Slides: 8
Digital TV System Video Encoder Signal Source Audio Encoder Data Mux Modulator Amplifier
Spectrum Division Multidefinition and Multiprogram HDTV SDTV (H 264) SDTV HDTV SDTV 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 DASE JAVA Aúdio Video Transpor te Modulaçã o Canal MPEG 2 BC MHP MHEG ARIB DASE HTML MPEG 2 -AAC DOLBY AC 3 MPEG 4 AAC 280 i LD 480 i. SDTV 720 p. EDTV 1080 i. HDT V MPEG 4 MPEG 2 – Fluxo de Transporte JAVA MPEG 2 BC MHP MHEG ARIB HTML MPEG 2 -AAC DOLBY AC 3 MPEG 4 AAC 280 i LD 480 i. SDTV 720 p. EDTV 1080 i. HDT V MPEG 4 MPEG 2 – Fluxo de Transporte ARIB DASE MPEG 2 -AAC DOLBY AC 3 MPEG 4 AAC ARIB JAVA HTML JAVA MPEG 2 BC MHP MHEG MPEG 2 BC FLEX-TV HTML MPEG 2 -AAC DOLBY AC 3 MPEG 4 AAC 280 i LD 480 i. SDTV 720 p. EDTV 1080 i. HDT V MPEG 2 – Fluxo de Transporte MPEG 4 MPEG 2 8 -VSB COFDM COFDMBST 6 Mhz 7 Mhz 8 Mhz
Service Model
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 DVB-T Modulator Áudio e Vídeo DVB-H IP Encapsulator MPE FEC Time Slicing M ux MPEG-4 AVC Antenna 8 K 4 K 2 K DVB-H TPS
IPTV • SBTVD is focused on free to air TV Encoder Audio Encoder Data Mux Video IP Encapsulator
