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  1. en.wikipedia.org › wiki › 576i576i - Wikipedia

    576i is a standard-definition digital video mode, originally used for digitizing analog television in most countries of the world where the utility frequency for electric power distribution is 50 Hz. Because of its close association with the legacy color encoding systems, it is often referred to as PAL , PAL/ SECAM or SECAM when compared to its ...

  2. 576i is a standard-definition video mode originally used for terrestrial television in most countries of the world where the utility frequency for electric power distribution is 50 Hz.

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  4. 576i is a standard-definition video mode originally used for terrestrial television in most countries of the world where the utility frequency for electric power distribution is 50 Hz.

    • Overview
    • Baseband interoperability (analogue)
    • Modulation for TVRO transmission

    576i is a standard-definition video mode originally used for terrestrial television in most countries of the world where the utility frequency for electric power distribution is 50 Hz. Because of its close association with the colour encoding system, it is often referred to as simply PAL, PAL/SECAM or SECAM when compared to its 60 Hz (typically, see PAL-M) NTSC-colour-encoded counterpart, 480i. In digital applications it is usually referred to as "576i"; in analogue contexts it is often called "...

    File:Pal channel.svg Spectrum of a System I (bands IV and V) television channel with PAL or SECAM color When 576i video is transmitted via baseband (i.e., via consumer device cables, not via RF), most of the differences between the "one-letter" systems are no longer significant, other than vertical resolution and frame rate. In this context, unqualified 576i invariably means 625 lines per frame, of which 576 carry picture content 25 frames per second interlaced yielding 50 fields per second Two...

    576i when it is transmitted over free-to-air satellite signals is transmitted substantially differently from terrestrial transmission. Full transponder mode (e.g., 72 MHz) Luma signal is frequency-modulated (FM), but with a 50 Hz dithering signal to spread out energy over the transponder Chroma is phase-modulated (PM) An FM subcarrier of 4.50, 5.50, 6.0, 6.50 or 6.65 MHz is added for mono sound Other FM subcarriers (usually 7.02, 7.20, 7.38, 7.56, 7.74 and 7.92 MHz) are added for a true-stereo s...

  5. en.wikipedia.org › wiki › PALPAL - Wikipedia

    Phase Alternating Line ( PAL) is a colour encoding system for Analogue television. It was one of three major analogue colour television standards, the others being NTSC and SECAM. In most countries it was broadcast at 625-line / 50 field (25 frame) per second, and associated with CCIR analogue broadcast television systems B, D, G, H, I or K.

    • 5 MHz
    • Negative
    • 1.65+0.4−0.1 μs
    • 64 μs
  6. Composite video is an analog video signal format that carries standard-definition video (typically at 480i or 576i resolution) as a single channel.Video information is encoded on one channel,...

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