Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.3 4.3bsd-beta 6/6/85; site ucbvax.BERKELEY.EDU
Path: utzoo!watmath!clyde!burl!ulysses!ucbvax!kim!albert
From: albert@kim.BERKELEY.EDU (Anthony &)
Newsgroups: net.video
Subject: Re: Cable and scrambling
Message-ID: <11429@ucbvax.BERKELEY.EDU>
Date: Thu, 16-Jan-86 23:17:33 EST
Article-I.D.: ucbvax.11429
Posted: Thu Jan 16 23:17:33 1986
Date-Received: Sat, 18-Jan-86 00:49:23 EST
References: <201@hoqam.UUCP> <56100003@hpislb.UUCP>
Sender: usenet@ucbvax.BERKELEY.EDU
Reply-To: albert@kim.UUCP (Anthony Albert)
Organization: University of California, Berkeley
Lines: 21

In article <56100003@hpislb.UUCP> lipinski@hpisla.UUCP (Greg Lipinski) writes:
>
>re: cable companies and cable-ready tuners.
>
>I believe our cable company (Scripps-Howard owned in Loveland,CO)
>built their system with cable-ready tuners in mind. The primary
>premium channels (HBO, Cinemax, and Showtime) aren't scrambled
>at all. Instead they put a hi-Q notch filter in the distribution
>box for each home and each channel that aren't paid for. Thus, the
>entire channel is filtered out. ... I assume this is
>a more costly protection scheme since most people will only subscribe
>to one (if any) of these premium channels.

Actually, this is an the system used about 8 years ago when our cable
system was starting and only had one premium channel. I think it was
cheaper to install filters than to have more advanced scrambling
technology. The disadvantage is that a serviceman has to come out to
the site to add or delete a channel.
				Anthony Albert
				..!ucbkim!albert
				albert@ucbkim.berkeley.edu