From owner-freebsd-chat Mon Jan 22 20:21:52 2001 Delivered-To: freebsd-chat@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id B2C2537B401; Mon, 22 Jan 2001 20:21:32 -0800 (PST) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id B40836AB6F; Tue, 23 Jan 2001 14:51:29 +1030 (CST) Date: Tue, 23 Jan 2001 14:51:29 +1030 From: Greg Lehey To: Brad Knowles Cc: Kris Kennaway , freebsd-chat@FreeBSD.ORG Subject: TV standards (was: VCD (was Re: cvs commit: src/sys/dev/ata atapi-cd.c)) Message-ID: <20010123145129.N414@wantadilla.lemis.com> References: <200101211447.f0LElEk04073@mobile.wemm.org> <20010121145018.A73989@citusc17.usc.edu> <20010121155556.B75159@citusc17.usc.edu> <20010122103659.A90890@citusc17.usc.edu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: ; from brad.knowles@skynet.be on Mon, Jan 22, 2001 at 07:57:58PM +0100 Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.lemis.com/~grog X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-chat@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Monday, 22 January 2001 at 19:57:58 +0100, Brad Knowles wrote: > At 10:36 AM -0800 2001/1/22, Kris Kennaway wrote: > >> Regardless, this doesn't affect the situation I was talking about: my >> two independent subjects were comparing the quality of PAL video on my >> TV (which is actually sub-optimal quality because of very slight >> display artefacts in the picture tube) with their experience of NTSC >> on presumably similar-quality NTSC equipment. > > Problem is, you're now comparing their apples to your oranges. > Even if the make and model of the TV set in question were identical, > and you were viewing them side-by-side in the very same room, you > could still have individual variations that would cause one to look > better than the other under certain circumstances. > > Until you're doing a double-blind comparison with both input > formats on both TVs and they don't know which TV is which or which > video input is which (they're both labelled just "A" and "B"), and > you're using exactly the same input subject matter (just in two > different formats) can they begin to give you an objective comparison. There's no way you'd have any difficulty telling PAL from NTSC on the same TV, even if they were optimally adjusted. The difference in resolution is immediately obvious. 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