.001 111.375 24/1.001 49.5/1.001 1833.3 553.3 425.3 1833.3 553.3 425.3 30/1.001 49.5/1.001 1466.7 186.7 1466.7 186.7 60/1.001 99/1.001 1466.7 186.7 1466.7 186.7 Video signals overview CHAPTER 7.3 LINE 1 (V 1) BLANKING LINE 42 (V 0) NUMBER ACTIVE VIDEO 42-1121 1122-1125 LINE 1122 (V = 1) BLANKING LINE 1125 (V=1) Figure 7.3-37 1080pDigital Vertical Timing (1080 Active Lines). V changes state at the EAV sequence at the beginning of the digital line. Note that the digital line number changes state prior to the start of horizontal sync, as shown in Figures 7.3-35 and 7.3-36. References 1. CEA-861D, A DTV Profile for Television for Standard 4:3 and Sample Structure, Digital Uncompressed High Speed Digital Widescreen 16:9 Aspec Ratios. Representation and Digital Timing Interfaces, July 2006. 6. ITU-R BT.709-5, 2002, Parameter Reference Sequences for Multiple 2. EIA-770.1, Analog 525-Line Values for the HDTV Standards for Picture Rates. Component Video Interface-Three Production and International 10. SMPTE 293M-2003, Television-720 Channels, November 2001. Programme Exchange. X 483 Active Line at 59.94 Hz 3. EIA-770.2, Standard-Definition TV 7. ITU-R BT.1358, 1998, Studio Progressive Scan Production-Digital Analog Component Video Interface, Parameters of 625 and 525 Line Representation. November 2001. Progressive Scan Television Systems. 11. SMPTE 296M-2001, 4. EIA-770.3, High-Definition TV Analog 8. SMPTE 267M-1995, Television-Bit- Television-1280 X 720 Progressive Component Video Interface, November Parallel Digital Interface-Component Image Sample Structure, Analog and 2001. Video Signal 4:2:216 X 9 Aspect Ratio. Digital Representation and Analog 5. ITU-R BT.601-5, 1995, Studio 9. SMPTE 274M-2005, Interface. Encoding Parameters of Digital Television-1920 X 1080 Image This page intentionally left blank Chapter 7.4 Video compression Alan Bovik 7.4.1 Introduction Video compression not only reduces the storage requirements or transmission bandwidth of digital video The subject of video coding is of fundamental impor- appl