ak357
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Everything posted by ak357
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What number do u use to calculate Max bandwidth per server ?
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on I3 with 6 gigs of RAM u can run alot more then 2-1.3mp cams
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http://www.isorainbow.com/lens_calc.htm and tons of other
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How much voltage can a DC IR camera take??
ak357 replied to lupy's topic in Installation Help and Accessories
Yep, agree I just did not feel like it to go in details with my post ( changed enough of them in good old days) and I am sure Hardwire knows this too If I remember correct no more then 2 volts difference between input voltage and output -
How much voltage can a DC IR camera take??
ak357 replied to lupy's topic in Installation Help and Accessories
And 7812 without heatsink will also act as heater -
New system build - Exacq vs. ACTi NVR
ak357 replied to slik_rik30's topic in IP/Megapixel Cameras and Software Solutions
Exacqly Avigilon started out life as a Software Soultion like Milestone, Omnicast, Exacq, Etc. They were a direct competitor to Exacq. I'm probably a little bias but Avigilon is the bast software solution out there as far as I'm concerned. little bias ? I am bias "little " in power 3 -
Avigilon,Avigilon and Avigilon again
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New system build - Exacq vs. ACTi NVR
ak357 replied to slik_rik30's topic in IP/Megapixel Cameras and Software Solutions
I don't think they will ever list (competition) but Exacq will connect to Avigilon using ONVIF but who want to use Exacq with Avigilon -
New system build - Exacq vs. ACTi NVR
ak357 replied to slik_rik30's topic in IP/Megapixel Cameras and Software Solutions
+1 Hmm, On another note lets create website for Avigilon dealers and partners -
It is not "so small" its about right size for CIF single cam view
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Place mouse on pix, right button click----properties
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CNB WCM-20VF (CCD 1/3) vs. Qsee QSM5265C (CMOS 1/3)
ak357 replied to mike_va's topic in Security Cameras
Each field is displayed 1/60th of a second after the preceding field -
This may help to understand viewtopic.php?f=15&t=27436&start=30
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IP Cams with dry relay contacts
ak357 replied to mc99218's topic in IP/Megapixel Cameras and Software Solutions
Standard TTL circuits operate with a 5-volt power supply. and output current between 5-15 mA (hope I remember correct did not touch them for years ) -
Highest Res and Quality From 8 Camera System Under $5,000?
ak357 replied to SmallBusinessUser's topic in System Design
Ah-hah... I think we may be approaching the truth! Question: how many analog cameras are actually providing a PROGRESSIVE image? I've only ever dealt with one (that I can remember) that actually had an option to switch to progressive output, and that was a Pelco IS90. If a camera is using a standard interlaced scan, then the vertical resolution of the DVR is really being wasted at D1, and whether the vertical grid on the test image appears properly or not is a factor of the camera, NOT the DVR. Would you agree that your PROGRESSIVE camera still has NTSC interlaced output ? -
Highest Res and Quality From 8 Camera System Under $5,000?
ak357 replied to SmallBusinessUser's topic in System Design
OK let me explain my point and my opinion 1. let define couple thing D1 resolution in my opinion when we capture video and create file so when you open file u get 720x480 windows agree ? 2.what is D1 quality in my personal opinion ? well in my books that when you can RESOLVE each line so I create Bitmap file (test line.bmp) u can see at end of my post Bitmap have few Horizontal and Vertical lines and size 720x480 and they are exactly one pixel apart I would like who ever interested print this file then get you best camera with your best lenses set up your DVR for best possible recording quality place pix at front of the camera following way on your monitor screen left side sees left side of the image and right side of the monitor sees right side of the image start recording, get still shot and then post image here My point that DVR produce 720x480 windows but none of the CCTV DVR on market can RESOLVE those lines and give true D1 Quality at least I never seen one SEANHAWG I hope that is scientific enough for you by the way I am not interested to talk why ? enough was sad before (compression,chip set,bit rate and other bla,bla ) -
Looking for a good NVR system...
ak357 replied to fastsoft's topic in IP/Megapixel Cameras and Software Solutions
Easy answer Avigilon -
IP Camera system or Analog digital confusion
ak357 replied to seancctv's topic in General Digital Discussion
Have a look at Avermedia 4 ch units plus 4 Vivotek 1.3 MP and u done cost the same as reg DVR and Analog cam -
Highest Res and Quality From 8 Camera System Under $5,000?
ak357 replied to SmallBusinessUser's topic in System Design
Look at the back of the pix (which everybody like) and tell me what the difference between Mike pix and this one I am talking about details far away -
Highest Res and Quality From 8 Camera System Under $5,000?
ak357 replied to SmallBusinessUser's topic in System Design
Can u post D1 ? and old ? still here When u record at D1 resolution do u get D1 quality picture ? -
Old D Link Ip Cameras
ak357 replied to jobad72's topic in IP/Megapixel Cameras and Software Solutions
Try this link for manual I was able to download from them your manual http://www.retrevo.com/search/v2/jsp/mytrevo/myTrevo.jsp?page=man -
That explain a lot sorry Rory
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Vivotek - event duration following Redwall trigger
ak357 replied to Tomdhu's topic in Security Cameras
I don't understand this answer. Means supply ground or voltage to Vivotek digital input and analyse and how its triggering recording -
Vivotek - event duration following Redwall trigger
ak357 replied to Tomdhu's topic in Security Cameras
Forget PIR Trigger "by hand" and learn how Vivotek works -
store closing, buying their running system
ak357 replied to raztraders's topic in Installation Help and Accessories
I would never bother with analog IP megapix only