Home Automation

Michael Brailsford brailsmt at yahoo.com
Tue Feb 20 08:26:02 MST 2007

I am no A/V guru, but component cables separate the signals better and provide the best possible quality and resolution.  DVI, S-Video and RCA and other connection technologies run multiple signals in the same wire and the interference degrades the signals.  This is especially true over longer cable lengths, like those you might find in a home theater room where cables typically are run the length of the room from the A/V equipment in the back of the room to the TV/Projector at the front of the room.

As far as wired vs. wireless.  I would do both.  Install GigE capable wiring, it will work just fine for 10/100/1000, so you can scale it up in the future as GigE hardware and network equipment come down in price.  As for the wireless, you can add that anytime.  I personally hate the bandwidth restrictions of wireless, I prefer the higher bandwidth of wired.  Just give yourself both possibilities, so as your tastes change, so can your network.


----- Original Message ----
From: Barry Roberts <blr at robertsr.us>
To: ed at thefelts.net; Provo Linux Users Group Mailing List <plug at plug.org>
Sent: Tuesday, February 20, 2007 8:28:47 AM
Subject: Re: Home Automation

On Tue, 2007-02-20 at 06:26 -0700, C. Ed Felt wrote:

Just a few comments on the things I have experience with.

>      * Is "wired" cheaper than wireless?

Don't know about cost, but wired doesn't suck.  My house was built in
1986, so my home LAN is stuck with wireless.  Trust me.  Wire it.

>      * Home theater (Computer based of course - mp3, DVD caching to HDD
>        etc.).

Use HDMI or DVI for video between components and/or display devices.
With dual-link DVI you should be able to handle any resolution for the
foreseeable future.  Single-link DVI is enough for 1080p (1920x1080
@60hz), dual link allows at least twice that.  Hmm. Does HDMI allow
dual-link, or only single?  HDMI<->DVI conversion is easy with $10
cables from newegg.com.

Barry Roberts

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