HD1 Hardware dvr card 4CH H.264 Video & Audio card NTSC(525Line, 60f/s), PAL(625Line, 50f/s) TMS320 DM645 Encoding Chip HD1 Hardware dvr card4CH H.264 Video & Audio cardNTSC(525Line, 60f/s), PAL(625Line, 50f/s)TMS320 DM645 Encoding Chip D2CIF Series video and audio compression card use Texas Instrument's high-performance DSP DM645 with hardware H.264 algorithm compression that reproduces ...