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![E.T. The Extra-Terrestrial [Limited Edition Spaceship - Bluray+Ultraviolet+Digital Copy] - Steven Spielberg](/media/ProductImage/image88x88/ProductImage-7424610.jpg "E.T. The Extra-Terrestrial [Limited Edition Spaceship - Bluray+Ultraviolet+Digital Copy] - Steven Spielberg")
![Ice Age 4: Continental Drift [Blu-Ray 3D+Blu-Ray 2D+DVD+Digital Copy] - Ray Romano](/media/ProductImage/image88x88/ProductImage-7489749.jpg "Ice Age 4: Continental Drift [Blu-Ray 3D+Blu-Ray 2D+DVD+Digital Copy] - Ray Romano")
![Avatar [3D Blu-Ray+Blu-Ray+DVD] - Giovanni Ribsi](/media/ProductImage/image88x88/ProductImage-7484816.jpg "Avatar [3D Blu-Ray+Blu-Ray+DVD] - Giovanni Ribsi")
![The Return Of The Living Dead [Special Edition] - Dan O'Bannon](/media/ProductImage/image88x88/ProductImage-7202987.jpg "The Return Of The Living Dead [Special Edition] - Dan O'Bannon")
![The Expendables [Extended Directors Cut] - Sylvester Stallone](/media/ProductImage/image88x88/ProductImage-7210508.jpg "The Expendables [Extended Directors Cut] - Sylvester Stallone")
![Demons/Demons 2 [Limited Steelbook Edition]](/media/ProductImage/image88x88/ProductImage-7219374.jpg "Demons/Demons 2 [Limited Steelbook Edition]")
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Standard Definition Standard-definition television (SDTV) is a television system that uses a resolution that is not considered to be either high-definition television (HDTV 720p and 1080p) or enhanced-definition television (EDTV 480p). The two common SDTV signal types are 576i, with 576 interlaced lines of resolution, derived from the European-developed PAL and SECAM systems; and 480i based on the American National Television System Committee NTSC system.
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High Definition HD video has higher resolution than SD video, which results in a sharper picture. Typical HD display resolution will be 1,280×720 pixels (720p) or 1,920×1,080 pixels (1080i/1080p).
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