Broadcast / Pro. Video Standards SDI Video Design and Testing
Lattice’s SDI Solution – FPGA with SerDes, IP, Demo Images to Video Video posed of a series of still image frames Video spec will include Image resolution Frames per second Progressive or Interlaced Data bits used for each pixel Basic Video Signals Vsync : one pulse per frame Hsync : one pulse per line Progressive vs. Interlaced Progressive: Interlaced: Color Space RGB : Computer system: value range 0 ~ 255 Studio equipment: value range 16~235 YUV : PAL / NTSC / posite YIU : Derived from YUV Optionally used by NTSC YCbCr: (Y=16~235, Cb=16~240, Cr=16~240) Developed for digital video system With different sampling formats (4:4:4, 4:2:2, 4:1:1, 4:2:0) YCbCr Sampling Formats 4:4:4 4:2:2 4:1:1 4:2:0 (MPEG1) 4:2:0 (MPEG2, MPEG4) Broadcast / Pro. Video Standards Broadcast / Professional video standards used in studio, TV broadcasting, film making products including cameras, monitors, switchers, etc. 75 Ohm cable Connecting systems up to several hundred meters (comparing to several meters of the DVI / HDMI standards). Bit Rate SD-SDI: 270 Mbps HD-SDI: Gbps 3G-SDI: 3 Gbps Existing Standards
