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480p is the shorthand name for a video display resolution. The p stands for progressive scan
Progressive scan

Progressive or noninterlaced scanning is a method for displaying, storing or transmitting moving images in which all the lines of each Film frame are drawn in sequence....
, i.e. non-interlaced. The 480 denotes a vertical resolution of 480 vertically scanning lines, usually with a horizontal resolution of 640 pixel
Pixel

In digital imaging, a pixel is the smallest item of information in an image. Pixels are normally arranged in a 2-dimensional grid, and are often represented using dots, squares, or rectangles....
s and 4:3 aspect ratio
Aspect ratio (image)

The aspect ratio of an is its width divided by its height.Aspect ratios are mathematically expressed as x :y and x?y . The most common aspect ratios used today in the presentation of films in movie theaters are 1.85:1 and 2.39:1....
 or a horizontal resolution of 854 pixels and 16:9 aspect ratio. The frame rate
Frame rate

Frame rate, or frame frequency, is the measurement of the frequency at which an imaging device produces unique consecutive images called Film frames....
 (hertz
Hertz

The hertz is a measure of frequency per unit of time, or the number of list of cycles per second. It is the SI base unit of frequency in the International System of Units , and is used worldwide in both general-purpose and scientific contexts....
) is usually 30 or 60 progressive frames per second and can be given explicitly after the letter.






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480p is the shorthand name for a video display resolution. The p stands for progressive scan
Progressive scan

Progressive or noninterlaced scanning is a method for displaying, storing or transmitting moving images in which all the lines of each Film frame are drawn in sequence....
, i.e. non-interlaced. The 480 denotes a vertical resolution of 480 vertically scanning lines, usually with a horizontal resolution of 640 pixel
Pixel

In digital imaging, a pixel is the smallest item of information in an image. Pixels are normally arranged in a 2-dimensional grid, and are often represented using dots, squares, or rectangles....
s and 4:3 aspect ratio
Aspect ratio (image)

The aspect ratio of an is its width divided by its height.Aspect ratios are mathematically expressed as x :y and x?y . The most common aspect ratios used today in the presentation of films in movie theaters are 1.85:1 and 2.39:1....
 or a horizontal resolution of 854 pixels and 16:9 aspect ratio. The frame rate
Frame rate

Frame rate, or frame frequency, is the measurement of the frequency at which an imaging device produces unique consecutive images called Film frames....
 (hertz
Hertz

The hertz is a measure of frequency per unit of time, or the number of list of cycles per second. It is the SI base unit of frequency in the International System of Units , and is used worldwide in both general-purpose and scientific contexts....
) is usually 30 or 60 progressive frames per second and can be given explicitly after the letter. The frames are displayed progressive as opposed to interlaced.

480p does not qualify as high-definition television
High-definition television

High-definition television is a digital television broadcasting system with higher than traditional television systems . HDTV is digitally broadcast; the earliest implementations used analog broadcasting, but today digital television signals are used, requiring less Bandwidth due to digital video compression....
 (HDTV); it is considered Enhanced-definition television
Enhanced-definition television

Enhanced-definition television, extended-definition television, or EDTV is a Consumer Electronics Association marketing shorthand term for certain digital television formats and devices, used by the Consumer Electronics Association of the United States....
 (EDTV).

480p24 and 480p30

The ATSC digital television
Digital television

Digital television is the sending and receiving of moving images and sound by Discrete signal signals, in contrast to the Analog television used by analog TV....
 standards define 480p with either 704x480 (non-square sampling) or 640x480 (square sampling) pixel resolutions, at 24, 30, or 60 progressive frames per second. A 16:9 aspect ratio is defined at 720x480 pixels, using non-square, anamorphic
Anamorphic widescreen

Anamorphic widescreen is a videography technique utilizing rectangular pixels to store a widescreen image to standard 4:3 aspect ratio . In its current definition as a video term, it originally was devised for widescreen 16:9 aspect ratio television sets; however, it has been used in regular film movies for decades....
 sampling.

Both 480p24 and 480p30 are more common in countries that use or have used the interlaced NTSC
NTSC

NTSC is the analog television system used in most of the Americas, Japan, South Korea, Taiwan, the Philippines, Burma, and some Pacific island nations and territories ....
 system like North America and Japan (these formats are somewhat compatible with that system, when used to broadcast progressive film content).

480p60 (480p59.94)

With doubled temporal resolution
Temporal resolution

Temporal resolution refers to the precision of a measurement with respect to time. Often there is a tradeoff between temporal resolution of a measurement and its angular resolution....
, 480p60 is considered enhanced-definition television (EDTV
EdTV

EDtv is a comedy film directed by Ron Howard released in 1999 in film. An adaptation of the List of Quebec movies Louis 19, le roi des ondes , it stars Matthew McConaughey, Jenna Elfman, Woody Harrelson, Ellen DeGeneres, Martin Landau, Rob Reiner, Sally Kirkland, Elizabeth Hurley, Clint Howard and Dennis Hopper....
). It can be transported by both major digital television
Digital television

Digital television is the sending and receiving of moving images and sound by Discrete signal signals, in contrast to the Analog television used by analog TV....
 formats, ATSC and DVB
DVB

Digital Video Broadcasting is a suite of internationally accepted open standards for digital television. DVB standards are maintained by the DVB Project, an international industry consortium with more than 270 members, and they are published by a Joint Technical Committee of European Telecommunications Standards Institute , Europ...
.

SMPTE 293M defines a 480p59.94 standard with twice the data rate of Rec. 601, using 720x480 active pixels. ITU-R Rec. 601 is the specification for component digital interlaced video (480i
480i

480i is the shorthand name for a video mode, namely the United States NTSC television Television system or digital television systems with the same characteristics....
) commonly used in standard definition television production.

See also


  • 480i
    480i

    480i is the shorthand name for a video mode, namely the United States NTSC television Television system or digital television systems with the same characteristics....
  • Enhanced-definition television
    Enhanced-definition television

    Enhanced-definition television, extended-definition television, or EDTV is a Consumer Electronics Association marketing shorthand term for certain digital television formats and devices, used by the Consumer Electronics Association of the United States....
     (EDTV)