Plextor USA

Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} These numbers represent the number of horizontal lines that are displayed on your TV screen.  The P stands for progressive, as in progressive scan.  All lines of resolution are created in sequence, as opposed to interlace which draws every other line in sequence.  Progressive images provide a smoother image than interlaced images, especially during fast motions on the screen.  The higher numbers having more lines of resolution create a higher definition image. 480p is the clarity of standard broadcast television.  720p is about 30% sharper of an image than 480p.  1080p is the HDTV standard and represents the clearest image with the display technology today.