Talk:Multiplexed Analogue Components

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The article should mention chipsets used for D-MAC and D2-MAC.

Two companies made complete D/D2-MAC processing chipsets: ITT (used in most commercial set top boxes eg Grundig for BSB service in the UK due to early availability and ability to be controlled by cheap microprocessors such as faster versions of the 6502) GEC Plessey Semiconductors (a more expensive and flexible chipset with higher video/audio output quality, niche market in cable headends and other professional uses, although a reference design for a set top box was developed based on Z80 chipset)

The qualifier : "S-MAC's SECAM like approach to bandwidth reduction" seems technically incorrect. S-MAC's approach is to transmit both chrominance components on the same line, which is exactly what NTSC or PAL standards do. But all the other MAC standards transmit only one chrominance component per line in alternance which is exactly the fundamental basis of the SECAM standard. So, the better way to put it is, all MAC standards are SECAM-like, except for S-MAC which is PAL or NTSC-like. And the sentence should read: "S-MAC's NTSC like approach to bandwidth reduction is technical annoyance, but..." — Preceding unsigned comment added by 2.0.33.136 (talk) 02:04, 14 January 2012 (UTC)Reply

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