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576i is a standard-definition digital video mode, [1] originally used for digitizing 625 line analogue television in most countries of the world where the utility frequency for electric power distribution is 50 Hz.
- Standard-definition television - Wikipedia
The two SDTV signal types are 576i (with 576 interlaced...
- 576i - Simple English Wikipedia, the free encyclopedia
576i is a standard-definition digital video mode, [1]...
- Standard-definition television - Wikipedia
576i is a standard-definition digital video mode, [1] originally used to make analog television digital in most countries where the utility frequency for power distribution is 50 Hz.
The two SDTV signal types are 576i (with 576 interlaced lines of resolution, [6] derived from the European-developed PAL and SECAM systems), and 480i (with 480 interlaced lines of resolution, [3] based on the American NTSC system).
576p is considered standard definition for PAL regions. It can be transported by both major digital television formats (ATSC and DVB) and on DVD-Video (if limited to 25 fps). It is defined as a valid enhanced-definition television resolution in the SMPTE standard 344M. [5]
For instance, 576i (576 interlaced lines) digital video with colour encoded as YCbCr, intended to be backward compatible and easily displayed on legacy PAL devices, is usually mentioned as "PAL" (eg: "PAL DVD"). Likewise, video game consoles outputting a 50 Hz signal might be labeled as "PAL", as opposed to 60 Hz on NTSC machines.
The other common standard definition digital standard, used in the rest of the world, is 576i. It originated from the need for a standard to digitize analog 525 line TV (defined in BT.601) and is now used for digital TV broadcasts and home appliances such as game consoles and DVD disc players. [1] [2]
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The modern standard-definition digital video resolution 576i is equivalent and can be used to digitize an analogue 625-line TV signal, or to generate a 625-line compatible analog signal. [5]
