he 720 X 576i format, and is 32 us. Detailed horizontal timing is dependent on blanking the first eight and last eight samples each active the specific video interface used. scan line. Example relationships between the analog and digital signals are shown in Figures 7.3-16 through Interlaced digital component video 7.3-19. The H (horizontal blanking), V (vertical blanking), and BT.601 specifies the representation for 576i digital F (field) signals are defined in Figure 7.3-20. The H, V, and R'G'B' or YCbCr video signals. Active resolutions de- F timing indicated is compatible with video compression fined within BT.601, their 1 X and R'G'B' sample rates standards rather than BT.656. (Fs), and frame rates, are: 960 X 576i 18.0 MHz 25 Hz Progressive digital component video 720 X 576i 13.5 MHz 25 Hz BT.1358 specifies the representation for 576p digital R'G'B' or YCbCr signals. Active resolutions defined Other common active resolutions, their 1x Y and R'G'B' sample rates (Fs), and frame rates, are: within BT.1358, their 1 X Yand R'G'B' sample rates (Fs), and frame rates, are: 1024 X 576i 19.67 MHz 25 Hz 768 X 576i 14.75 MHz 25 Hz 960 X 576p 36.0 MHz 25 Hz 704 X 576i 13.50 MHz 25 Hz 720 576p 27.0 MHz 25 Hz 544 X 576i 10.12 MHz 25 Hz Other common active resolutions, their 1x Y and 9.000 MHz 25 Hz R'G'B' sample rates (Fs), and frame rates, are: SAMPLE RATE = 13.5 MHZ SAMPLE RATE = 18.0 MHZ 12 SAMPLES 16 SAMPLES DIGITAL DIGITAL BLANKING DIGITAL ACTIVE LINE BLANKING DIGITAL ACTIVE LINE 144 SAMPLES 720 SAMPLES 192 SAMPLES 960 SAMPLES (0-143) (144-863) (0-191) (192-1151) TOTAL LINE TOTAL LINE 864 SAMPLES 1152 SAMPLES (0-863) (0-1151) Figure 7.3-16 576i Analog-Digital Relationship (4:3 Aspect Figure 7.3-17 576i Analog-Digital Relationship (16:9 Aspect Ratio, 25 Hz Frame Rate, 13.5 MHz Sample Clock). Ratio, 25 Hz Frame Rate, 18 MHz Sample Clock). Video signals overview CHAPTER 7.3 SAMPLE RATE = 14.75 MHZ SAMPLE RATE = 10.125 MHZ 13 SAMPLES 9 SAMPLES DIGITAL DIGITAL BLANKING DIGITAL ACTIVE LINE BLANKING DIGITAL ACTIVE LINE 104 