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Messages - Soundy

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Well the first step would be a DVR that only records on motion detection.

Beyond that, Vigil DVRs will do this using their "Smart Search" feature, allowing you to select smaller specific area(s) of recorded video to check for motion.  www.3xlogic.com

Video of Smart Search here:
http://www.youtube.com/watch?v=QkYwJSH06mk

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Security Camera - Surveillance Forum / Re: IPCONFIG problem
« on: August 02, 2012, 05:33:49 PM »
Wow, lots of muddled, confusing info here... let's try for a little clarity.

NOTE: all this assumes that you're using a broadband router, or have a "gateway" connection device rather that just a DSL or cable modem.

First of all, there are two different "types" of IP addresses we're concerned with here: "public" (provided by your ISP and accessible from the outside internet), and "private" (provided by your router and accessible only on your own network).

You can find your public IP by going to one of the sites mentioned above (I use www.ipchicken.com).  That is the address you'll need to use to connect to your DVR from a remote location.  As others have noted, with most ISPs, this will usually change periodically.  A DDNS (Dynamic Domain Name System) service will assign a domain name to your connection, and update that with your public IP address when it changes, so instead of needing to know the IP, you can just use a name like "myplace.ddns-service.com". 

NOTE: DDNS *is not* "a website that you go to to view your camera/dvr" - that's a different type of service that SOME DVR/camera manufacturers provide, usually proprietary to their equipment.

Now, using the IPCONFIG command will tell you the *private* IP (on your own network) of your computer, usually something beginning with 192.168.0.* or 192.168.1.*, depending on the specific router.  It will also give you the netmask (almost always 255.255.255.0) and gateway IP (the device all outside connections must go through, such as your router - will usually be 192.168.x.1 or 192.168.x.254).  (And as an aside, you DO NOT need to run the command prompt as an Administrator to get this information, regardless of the version of Windows).

IPCONFIG WILL NOT tell you the IP address of your DVR, which is what you need to know if you want to connect with it through the network.  To find that, you'll need to go into the DVR's own settings menu.  If the DVR is set to use DHCP, it should have an IP, netmask, gateway, and DNS (not the same as DDNS) information that's provided by your router. 

If the DVR doesn't support DHCP (rare, but possible), you'll need to enter all this information yourself. Netmask, gateway, and DNS should all be same as displayed using IPCONFIG on the computer; however, you'll have to give it a unique IP address in the same range as your computer (for example, if your computer is 192.168.1.100, you might set the DVR to 192.168.1.101, assuming nothing else on the network is using .101).

When setting up your remote software, you'll need to provide it with the DVR's IP address (192.168.1.101 in the example above).  The ports may show in the configuration, or you may have to check the manual for the properly numbers.


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Security Camera - Surveillance Forum / Re: home CCTV system choices
« on: July 31, 2012, 12:33:09 PM »
bearclaw,

Can you send me a PM with more information about those 2MP dome cameras?

Thank you!
Sounds like he's referring to some Dahua-made domes I'm familiar with.  You won't find the Dahua brand available in North America, but they're sold under a number of other brand names.  The one I've used is EYEsurv - model number ESIP-2MP-DM1 (http://bit.ly/OH59rl).  Used nine of them recently to replace a bunch of vandalized analog domes and been very happy with the results.


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Old post, but...

GeoVision, AverMedia are a couple of brands.

Look for "D1" or "4CIF" in the Recording specs.

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Hey all, another noob here (first post, woot)... have to agree with the last poster, though: thermal imaging is the way to go with this.  It ain't cheap, but it's the only thing that will fit the bill.  FLIR is probably the biggest name in this field, but Axis makes a range of thermal cameras as well.  Thermal is totally passive - it registers the heat emitted by whatever it's looking at.  For example:

Thermal (FLIR SR-19):


Visible light (Pelco Esprit PTZ):


As to some of the other responses: there seems to be some misunderstanding/misinformation as to how IR cameras work.  Imagine taking a little LED flashlight and pointing it at an object; that's all the IR LEDs are doing, except they're using a wavelength of light that's just outside the range of human perception. 

Shining an IR illuminator at the walls will give you the same problem as it would with visible light: if the photosensitive materials react to IR light, they will react to it whether it's direct or reflected.



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