Date: Mon, 22 Jan 2001 10:42:32 +1030 From: Greg Lehey <grog@lemis.com> To: Brad Knowles <brad.knowles@skynet.be> Cc: Kris Kennaway <kris@FreeBSD.ORG>, freebsd-chat@FreeBSD.ORG Subject: Re: VCD (was Re: cvs commit: src/sys/dev/ata atapi-cd.c) Message-ID: <20010122104232.M93049@wantadilla.lemis.com> In-Reply-To: <v04220823b6912830c2f6@[10.0.1.2]>; from brad.knowles@skynet.be on Mon, Jan 22, 2001 at 01:03:12AM %2B0100 References: <200101211447.f0LElEk04073@mobile.wemm.org> <KAECKEJJOLGHAFGGNIKMAELICAAA.res02jw5@gte.net> <20010121145018.A73989@citusc17.usc.edu> <v04220820b69121b53c13@[10.0.1.2]> <20010121155556.B75159@citusc17.usc.edu> <v04220823b6912830c2f6@[10.0.1.2]>
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On Monday, 22 January 2001 at 1:03:12 +0100, Brad Knowles wrote: > At 3:55 PM -0800 2001/1/21, Kris Kennaway wrote: > >> It's a multi-system TV which does NTSC and PAL natively. No conversion >> is involved (unless I tell my VCR to convert from NTSC to PAL, in >> which case there IS degradation) > > I've got a multi-system TV, too. Trust me, there's always a > "native" format, and a converted format. Since most multi-system > video devices seem to come from Europe, they would naturally be > "native" PAL or SECAM format, and NTSC would be the converted > format. Look at the circuitry of a TV. You have one or more decoders which convert the incoming composite stream into RGB and sync pulses. Beyond that point they're as system-dependent as the monitor in front of you. The decoders themselves are so cheap that you'd think it would be easier to build multisystem VCRs. > I'm quite certain that if I hooked up a splitter from the VCR > or the DVD player and put the same video signal on both TVs, it > would look better on the true native NTSC format television than > they would on the one that has its own built-in NTSC/PAL converter. Well, you could try, but even then it would be a comparison between individual devices. Greg -- Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-chat" in the body of the message
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