osity
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Everything posted by osity
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My DVR card supports the following. Video compression: MPEG4 and M-JPEG Supports 352x240, 640x240, 720x480 Should I always record that the highest 720x480 setting if HDD space is not a concern? Is this just for higher resolution? Where does a cameras "TV's lines" spec fit in or is this a totally seperate spec?
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This cam looks pretty good. Is the price right for what you get? The line seems pretty high (500 TVL). Any advantage to using a box cam? http://synetlink.com/catalog/product_info.php?cPath=21_31&products_id=41 Thanks for any info.
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It seems strange that it would look better on a regular TV as opposed to a computer monitor which can be adjusted to any resolution you want (i.e 800x600, 1280x1024)
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Regular old TV vs. a computer monitor? You would choose the tv??
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I saw my first cctv crt yesterday actually. It was "capture" brand. It was huge, and by that I mean that it looked like a mini fridge and not like a regular CRT monitor. The images were very jittery. (like an incorrect refresh rate setting) I was not impressed by that at all. Is that jitternetss expected from a cctv crt?
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Is there things to avoid when running cables to the cameras?
osity posted a topic in Installation Help and Accessories
I did not find any threads on things to avoid when running video cable. (i.e running over electrical wire, ballasts, etc.) Do these pose a problem? -
Yes it's avermedia. http://www.aver.com/products/nv5000spec.pdf So ideally I should have my computer hooked up to an LCD just for PC usage purposes and and the composite on the DVR card going to a CCTV CRT for surveillance monitoring?
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Hmm.... im a tad confused. A Regular TV will look better to our eyes than a PC monitor? I though the high resolution on a PC monitor would made it a great choice. Perhaps there is a difference between resolution and TVL I have a PC based DVR system (w/ nv5000 card). Which display do you suggest for viewing and focusing? (brand or link to a couple please) The video card has a VGA connector. Neat topic!
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We sell lots of LCD's in my line of work and contrast ratio on LCD's has gone all the way up to 1400:1 on some brands. Your retina can resolve a contrast ratio of around 100:1 at any given moment and 1,000,000:1 after about 30 minutes. So i wonder how importand this number really is if you occasionally view your footage 10 minutes at a time. Sounds like you would have to spend hours staring at the screen to utilize all that contrast ratio Strange that even by using the DVI option on LCD's hence keeping the signal in Digital format, the quality is worse than an analog CRT. I read here that there are CCTV CRT's? What are the main differences between a regular CRT and a CCTV CRT?
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Do you get higher resolution by setting your cam to B&W?
osity posted a topic in Installation Help and Accessories
I have a few color cameras setup. These cameras have a Black & White setting on them. Does it make sense to switch the setting to B&W in order to gain better resolution? Would doing this this make a difference in making out peoples faces better? -
Do you get higher resolution by setting your cam to B&W?
osity replied to osity's topic in Installation Help and Accessories
Yes, i know that it the cam must actually indicate that it will perform with higher resolution in B&W for it to work. All the cams I have show higher rez for B&W, so perhaps it may be my best option for increasing the detail of my camera footage. -
Do you get higher resolution by setting your cam to B&W?
osity replied to osity's topic in Installation Help and Accessories
I am using a few domes, and then a typical cube/rectangle one. One of the brands of one dome is "eeper". Then I have some chinese ones that donr seem to have a name. I though the lense was what made the difference not the camera itself?