Soundy
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Everything posted by Soundy
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Sure it will.... but realize that you need to have a fairly tight shot to get that recognition. Realistically, a plate should be at least a quarter of the frame width to be clearly legible, especially if your DVR only records at CIF resolution (352x240). Faces may need to be even closer if you want evidence-quality recognition.
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Is there a motion sensor that can activate my camera?
Soundy replied to cupboy's topic in General Digital Discussion
Hmmm, you're right... we musta modified the last one for external power. My bad. According to the spec sheet, you should get at least two years on an 9V alkaline battery. -
Is there a motion sensor that can activate my camera?
Soundy replied to cupboy's topic in General Digital Discussion
Would depend somewhat on the usage, but it seems to me we get several months out of ours in normal circumstances. Both transmitter/sensor and receiver can be powered externally (AC or DC adapter, external battery pack, etc.) -
copy onto DVD a recorded incident
Soundy replied to paulomd2@gmail.com's topic in General Digital Discussion
Scorpion, I'm shocked! A DVR that you DON'T have a manual for?? I googled that DVR, it actually looks like a fairly advanced machine, and it DOES have a DVD burner in it, so it should be fairly straightforward to export events directly to DVD. http://www.genivtechnology.com/products-one/category-two/JS-4RTA-D1_2 BTW, Google showed up another hit on this site: about17843.html Apparently Shoreviewsecurity deals with these units, so to the OP, if you drop them a PM, they may be able to help you. -
Do all DVR's have to use Internet Explorer over the net?
Soundy replied to PilotGuy's topic in Digital Video Recorders
"WEB"server by definition implies at least HTTP. Vigil's client does not use HTTP, and no browser will connect and view it on any port. The client streams data directly from the server app; the HTTP server isn't even installed. Ergo, no webserver. Video Insight's standalone client app, likewise, does not use HTTP and does not require the IIS package to be installed at all. IIS is required if you want to use the Web Client, but not the standalone client. So again, no webserver is used for the basic client. -
What Kind of PC based DVR should I build?
Soundy replied to caltbaum's topic in DVR Cards and Software - PC Based Systems
We've used the Areconts with the Vigil systems on several sites now, they work quite well once thing are configured. Just a word of warning though, setting up the Areconts in the first place is a bit of a hassle - they don't ship with a simple setup utility, but instead insist on installing their own mini-NVR program along with the setup utility - once you're done configuring the cameras, you have to uninstall the bundled utilities, or it will continue to start up with Windows. Once they're all up and running though, they do a good job. You might look at 3xLogic's own cameras, which are rebranded Hikvisions - they include a setup utility that automatically configures the server software. 3xLogic also has their own network RAID arrays for added storage, although you can use any external drive that attaches via USB, Firewire, eSATA, or iSCSI. -
Do all DVR's have to use Internet Explorer over the net?
Soundy replied to PilotGuy's topic in Digital Video Recorders
Video Insight will work with any browser, including most mobile browsers. -
What Kind of PC based DVR should I build?
Soundy replied to caltbaum's topic in DVR Cards and Software - PC Based Systems
It doesn't need anything substantial, really - the cameras digitize the video internally and send it over the network. At the other end, you only need a DVR that can accept and store (and playback) that data - these are known as "hybrid" DVRs - or an NVR (Network Video Recorder), which can be a DVR-type machine, or just a storage unit that supports the cameras you've chosen. In the case of a Vigil system, for example, the Vigil Server software can run as a straight DVR (using an analog capture card), or as a hybrid (with the IP camera licenses added), or as an NVR without any capture hardware. Of course, a more powerful machine is preferred for quicker searching and viewing and such... and if you're building a hybrid, you still need the horsepower for the analog capture portion. You also need a lot more storage for megapixel - all else being equal (framerates, compression type, etc.), a 1.3MP camera (1280x1024 resolution) is approximately four times the image size of 4CIF analog capture (704x480, the highest common resolution used, and near the max limit of analog video resolution), and as such needs four times the storage space. As an example, on one site, we have 23 analog cameras, most recording at 704x480 (three or four at 352x240), and five 1.3MP cameras. All cameras record at an average 4fps (some at 5, some at 3, most at 4). Even with motion-detect recording, it still takes approximately 9.5TB to get the 90 days' retention they want. We're just quoting now on upgrades they want to another site, which will have six MP cameras (probably 3MP) and 24 analog cameras, and we're quoting about 14TB to store it all. The important thing to remember is that the DVR/NVR must have support for the cameras - you can choose cameras first and then narrow your choice of recorders down to ones that support them, but it's probably easier to select your recorder first and then look at the cameras it supports. -
I don't know about this camera specifically, but generally, this feature means the camera will blank out the defined area of the picture. Without knowledge of the specific camera (you didn't provide a model number), it's hard to say exactly, but some have a relay output that can trigger a recorder when the camera detects motion. Do you mean this camera has four different motion-detect zones? Often this is done with each zone capable of having different sensitivity settings... so, for example, if you had a camera watching a parking lot and sidewalk, and you didn't want it to trigger on a person walking though the parking lot, you could set a lower sensitivity on that area. Stands for "On Screen Display" - it means the camera's settings are shown over the video so you can configure it through the on-screen menus... usually, this is instead of a bunch of DIP switches. Depends on your specific setup and how you're using it.
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The "ground" connection is there mainly to achieve UL certification. In most instances, you don't need to use it - just connect your 24VAC supply to the 24V tabs.
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replaced lenses to wider angle--now getting IR glare
Soundy replied to DKtucson's topic in Security Cameras
That depends on the dome. I've worked with plenty of designs that can be mounted on a wall, and look straight back down the wall with no hacking or modding required. I wouldn't even say most of them are more expensive ones, because I've seen plenty of pricey, brand-name domes that can't do it properly (Pelco IS-90 and IS-110 models, in particular), and plenty of decent bargain cameras that can (unfortunately the ones we used to use the most are no longer made). You'll find CNB cameras are popular hereabouts for their value (great quality for the price)... and all their dome designs that I've worked with are capable of looking straight down a wall. Very few designs, dome or otherwise, will be immune to a blob of paint or a lead slug hitting it at the speed of sound, and those that are will cost a mint. "Vandal proof" should more properly be called "vandal resistant". -
replaced lenses to wider angle--now getting IR glare
Soundy replied to DKtucson's topic in Security Cameras
Give that man a cigar-oni! Best way around it is to use separate IR illuminators. Worst case (read: cheapest client), you could remove the illuminator from inside the dome and mount it somewhere near the dome (inside something clear if it needs to be weatherproof). -
What Kind of PC based DVR should I build?
Soundy replied to caltbaum's topic in DVR Cards and Software - PC Based Systems
Well... imagine the difference between a pocket digital camera from ten years ago and one from today. Take a browse through this thread: viewtopic.php?f=19&t=11322 For a couple of my own examples: viewtopic.php?f=19&t=11322&start=164 (note: click each picture to get a full-size version - the MP images are a lot larger than they display there!) Also.... this is from a standard analog dome cam at CIF (352x240) resolution (and granted, it is a CHEAP dome cam): This is from an IQ511 1.3MP camera mounted directly above it (you can see the cheap dome bottom-left in the frame). The IQ has a non-megapixel 2.8mm lens on it, so it's not as sharp as it could be with the proper lens. Again, click the picture for a full-size version: From the same store, a similar analog camera at 4CIF (704x480); the text visible on the left and bottom right is provided by a text-inserter box that reads data from the paypoint and overlays it on the video: And again, a 1.3MP IQ511 at the same position (I don't think the lens on this one is a proper megapixel lens either): -
What Kind of PC based DVR should I build?
Soundy replied to caltbaum's topic in DVR Cards and Software - PC Based Systems
Well, $2-$3k would get you into a basic Vigil (I think about $3500 for a 32-channel, 120fps system) with 1TB internal drive. You won't get into megapixel for that, not if you're replacing your DVR as well. What kind of POS systems are you using? Many of them can be interfaced to some DVRs and the DVRs will then log the POS data synchronized to the video. Can you maybe do up a quick sketch of the floor layout and current camera positions? 20 cameras is a LOT for a simple retail floor plan, it's possible with good positioning of the right cameras, you can get away with a lot fewer. Be sure to note if there are outside windows/doors that present strong backlighting, as that will affect camera selection as well. -
What Kind of PC based DVR should I build?
Soundy replied to caltbaum's topic in DVR Cards and Software - PC Based Systems
I'm not familiar with GV's product line, but that model number suggests to me that it IS a 32-channel card. 960fps would give you 30fps on each of 32 channels (the storage for that would also be ridiculous). We've been using RAID arrays from QNAP and been very happy with their performance and ease of installation. Load it up with drives, configure as RAID5, and you're good to go - as I said, with RAID5, any one drive can die, and you can hot-swap it without shutting down and without losing data. The drawback is that you lose the capacity of one drive (that space is used for the redundancy data), so four 2TB drives, for example, would give you 6TB of actual capacity. -
What Kind of PC based DVR should I build?
Soundy replied to caltbaum's topic in DVR Cards and Software - PC Based Systems
Good choice, especially with the amount of storage you're likely to need. You've left out one very important criteria, and that is, what's your budget? I'll work on the assumption that you want to spend a fair bit on a good system. The most powerful one you can afford. Sounds trite, but with the level of cameras you're dealing with, you'll want as much future-proofing as possible. Ideally, enterprise-grade. Realistically, just about any brand-name SATA drives should do. The real trick, if you want reliability, is to go with a RAID setup, ideally RAID5 or RAID6 - with that, even if a drive fails, you can replace it without shutting things down and without losing data (RAID6 allows two drives to fail without data loss). If you're building your own, GeoVision is a popular way to go. Not my favorite, but there are certainly worse out there. If you want an excellent turnkey package, Vigil is a great choice for a 32-channel hybrid system. No. You're not dealing with 3D graphics or anything advanced like that. Any good modern PCI-e card should do nicely. Most of the systems I build just use the on-board video chip. Depends on the card... there are 32-channel models out there. No - that's what the DVR card is for. (MIDI, by the way, stands for Musical Instrument Digital Interface - unless you're hooking up MIDI-capable synths or something, you don't need MIDI). That's good thinking. More importantly, a PC gives you far more options for expanding drive space. Tom's suggesting of a PTZ or two is a good one, IF you have someone who can be sitting watching the system to control it. If not, you might want to consider a 360-degree panoramic megapixel camera, such as those made by Mobotix or Arecont. Instead of only recording what the lens is pointed at at any given moment, they record continually in a 360-degree radius, and you can zoom in on any area of the scene either live OR on the recording. On that subject, you might look at replacing some of all of your existing cameras with megapixel IP cameras - they'll not only give far more detail, but in some instances, one megapixel camera can take the place of two, three, or even four old analog cameras (depending on the store layout, of course). If you go all-IP, you can do away with the need for a DVR card and just build an NVR machine (all the video data then comes in over the network). You could also go this route, and use video servers, small boxes that digitize the video from analog cameras and put it on the network. As for the 15-year-old wiring, there's no reason it shouldn't still be fine, as long as it hasn't been exposed to weather or anything. -
Looks like a pretty standard mid-grade offshore camera...
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Does anybody know if these Network Video Servers are good?
Soundy replied to PilotGuy's topic in IP/Megapixel Cameras and Software Solutions
The general advice you'll find here is not to buy any CCTV products from fleaBay. You'll never know exactly what you're getting, and if it has a problem, dealing with the seller is often a major headache. -
The difference - pun intended - is night and day! What model of camera is the "before"?
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what happens when you apply 12 volts to a 24 volt camera?
Soundy replied to Sunnyday4444's topic in Security Cameras
It really depends on the cameras. If they're working, chances are they're designed for dual-voltage anyway. Some (mostly older) cameras support 24VAC only, and won't work at all on DC at any voltage. -
It's not that complicated: the "R" pins are Receive; the "T" pins are Transmit. In the case of most cameras, you'll never use the Transmit pins, since they have nothing to send; they only need to receive commands. This is an industry-wide standard, not specific to Panasonic. Check that you're setting the right camera ID number for the Pelco protocol you're using; Pelco D starts counting from 0; P starts from 1. Switch positions on cameras aren't generally absolute numbers, but are relative to the start point. Thus, position 2 may mean 1 for D protocol, 2 for P... and so on. (Disclaimer: it could also be 0 for P and 1 for D; my memory isn't fresh on which is which... but the point is the same). Some cameras will display both, or will display the relevant protocol along with the ID number, on the startup screen.
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Try swapping A and B then. You may need to power-cycle the camera and/or DVR before it notices the change.
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Connect R(A) on the camera to RS-485 "+" on the DVR, and R(B) to "-"
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^I find applying a coating of Rain-X to the bubble helps keep the rain from "sticking"
