SDTV is 480i, which is approximately the resolution of NTSC and DVDs.

see Standard Definition Television.

Also known as Standard Definition Television. SDTV are based on 480 lines of vertical resolution and may have either 4:3 or 16:9 aspect ratios, and may include surround sound. Several SDTV programs are sent together to form the simulcast bundle.

"Standard Definition Television." SDTV are based on 480 lines of vertical resolution and may have either 4:3 or 16:9 aspect ratios, and surround sound. Several SDTV programs are sent together to form the simulcast bundle. While SDTV pictures are of significantly better quality than NTSC, they are not up to the standard of HDTV.

Standard-Defintion TV enhanced or extended to 480 X 640 or 720.

Standard Definition Television. SDTV is frequently used, incorrectly, to describe old analog NTSC broadcast television. SDTV is the digital broadcast television standard defined under the DTV standards developed by the ATSC. An SDTV is defined as being able to receive an ATSC signal and in most cases will have 480 lines of resolution. SECAM - Sequential Couleur Avec Memoire. The analog broadcast standard used in France, Russia and Greece. It uses 625 scan lines, of which 575 are actually displayed and uses a refresh rate of 50Hz. Compare to NTSC and PAL.

SDTV stands for Standard Definition Television. The SDTV picture, having either in 4:3 or 16:9 aspect ratios, is better and of higher quality than the one of NTSC, however, it does not reach the quality and resolution of HDTV. SDTV is based on 480 lines of vertical resolution and in both interlaced and progressively scanned formats.

DTV signals that feature vertical and horizontal resolutions comparable to current NTSC analog television signals, typically using a standard 4:3 aspect ratio. SD programs are drawn using interlaced scan methods.

Standard-Definition Television. See DTV.

"Standard definition television"; the current standard broadcasting quality for free-to-air television programming in Australia. SDTV in Australia is defined by the regulator (the ABA) as "576 lines x 720 pixels @ 50Hz interlaced (576i)".

Standard definition television. A type of digital television that uses the 480i format.

Standard definition television is digital television that broadcasts a picture similar to that of a DVD. SDTV operates at a lower resolution than HDTV.

Standard Definition Television. Lower resolution subset of the ATSC's DTV system. 480i is typically accepted as an SD signal. Digital broadcasters can offer multiple sub-programs at SDTV quality, as opposed to one or two HD programs. Digital satellite and digital cable often refer to the majority of their programs as SDTV, somewhat erroneously, as neither system has anything to do with DTV, though both, technically, consist of a digital 480i signal.

A format of Digital Television (DTV). SDTVs have a lower resolution signal than High Definition TV (HDTV). Generally, 480i (interlaced) is considered the accepted quality for SDTV.

Standard Definition Television. An old-style TV that displays 480 visible lines vertically.

Standard Definition TV is one of the new standards for broadcasting and receiving digital television (DTV). SDTV includes 480 lines in both interlaced and progressively scanned formats, (although the latter has recently been renamed EDTV or Enhanced Digital TV), and offers significant improvement over today's NTSC picture. The new DTV channel can be compressed to provide four, five or more SDTV programs within the same bandwidth required for one channel of NTSC television (the current U.S. standard).

Standard Definition Television. The new HDTV standards call for a range of different resolutions. Those that are higher than today's NTSC are considered HDTV. The ones that are comparable to NTSC are considered SDTV. Because SDTV is component and digital it will still be higher quality than NTSC.

In the past few years, a standard for digital video has been put in place by the ATSC called Standard Definition Television, or SDTV. 480i is an accurate designation for this format, causing some confusion between this and Analog Television.

"Standard Definition Television." Digital formats that do not achieve the video quality of HDTV, but are at least equal, or superior to, NTSC pictures. SDTV may have either 4:3 or 16:9 aspect ratios, and it includes surround sound. Variations of fps (frames per second), lines of resolution, and other factors of 480p and 480i make up the 12 SDTV formats in the ATSC standard.

Twelve standard quality forms of the digital television standard adopted for the United States featuring AC-3 digital surround sound, wide (16:9) and “square” (4:3) aspect ratios, and high-quality (though not high definition) digital video capable of interlaced and progressive scan images with 480 horizontal lines (vertical resolution) by 704 vertical lines (horizontal resolution) at 24, 30 and 60 Hz refresh rates and video capable of interlaced and progressive scan images with 480 horizontal lines by 640 vertical lines at 24, 30 and 60 Hz refresh rates.

Standard-definition television. Refers to television systems that have a lower resolution than HDTV systems. The term is usually used in reference to digital television, in particular when broadcasting at the same (or similar) resolution as analog systems.

Standard Definition TV is defined as all Digital formats below the HDTV level. This will usually mean 480I or 480P.Generally describes the resolution(definition) of a " standard " television picture. A " standard " television picture definition is generally assumed to be that of today’s NTSC broadcast television signal. However, it could be substantially less (such as VHS quality), or substantially more (such as DVD quality). There are no audio or picture aspect ratio assumptions.

A digital television system that is similar to current standards in picture resolution and aspect ratio. The picture and sound will be clearer than NTSC, and its digital nature will allow more than one program to be broadcast over the same bandwidth at the same time. Typical SDTV resolution is 480i or 480p.

Standard-definition television. A term applied to traditional 4:3 television (in digital or analog form) with a resolution of about 700x480 (about 1/3 megapixel). Contrast with HDTV.

Refers to standard-definition television, a digital television format that includes 480-line resolution in both interlaced and progressively scanned formats. Similar to DVD or satellite TV in quality, it is not considered high definition television.

Standard Definition Television. Digital signals transmitted at 480-line resolution. The picture and sound are better than a standard analog NTSC, but not as good as HDTV.

A DTV format that provides a picture quality similar to that of DVD. SDTV and HDTV are the two categories of display formats for DTV transmissions, which are becoming the television standard.

Standard Definition TV. This is the same as 480i. It is not considered to be DTV or HDTV and is the regular NTSC broadcasts most people are used to.

Abbreviation for standard-definition television. Synonym NTSC television transmission.