PMP與數(shù)字地面電視

Portable Media Player and Recorder for Digital Terrestrial Television Systems PMP與數(shù)字地面電視

音頻/視頻流Audio/Video Streaming
?? Multi-program MPEG2 Transport Stream (TS) @ 30 Mbps
多節(jié)目流復(fù)合的MPEG2 傳輸流
?? Program Specific Information (PSI) to describe DTV programs (“logical channels”)
?? 節(jié)目相關(guān)表Program Association Table (PAT),節(jié)目對應(yīng)表Program Map Table (PMT)
?? 服務(wù)信息Service information (DVB-SI)
?? Network Information Table (NIT), Bouquet Association Table (BAT), Service Description Table (SDT),
Event Information Table (EIT), …
網(wǎng)絡(luò)信息表(NIT)，節(jié)目組相關(guān)表(BAT) ，業(yè)務(wù)描述表SDT ，節(jié)目信息表EIT
?? Used for building Electronic Program/Service Guide (ESG/EPG)
電子節(jié)目導(dǎo)航(ESG/EPG)
?? 音頻/視頻編解碼器Audio/Video Codecs
?? ISO/IEC 13818-2 (MPEG-2) for video, MPEG1/2 Layer 1-3 and Dolby AC-3 for audio