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John_lin78

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  1. John_lin78

    AVTECH AVC777W files format

    Hi, you will not be able to view any image from that HDD with your computer. Because the way the images were recorded is MJPEG format and it's different from the regular HDD you use with your computer. You cannot take the HDD and simply plug to your computer and expect to see anything. In order to view it with your computer, the only way is to view it through internet and back up the file to your computer through Internet. Your system AVC777W is capable to connect to the internet, once you are connected, open the Applicaiton Software and then back up the file to your computer. Hope it helps.
  2. John_lin78

    AV Tech 780W - Any Good?

    I would suggest another model, same price (depending where you get it), and much better performance. AVC783. http://www.avtech.com.tw/english/product_13_783.htm Why? coz I just know it's MPEG-4 and real time recording and playback (30 fps per channel), Network ready, and the picture quality is really alot better than 780W. It's a pentaplex meaning you can view live image, recording, view playbacks, back up files and access network function all at the same time without stopping the recording or slow down its recording speed. check the website for more info. It's a great system for the money.
  3. John_lin78

    New to Business

    John is here
  4. John_lin78

    1 Step away from getting a dog !!!

    thanks Rory, how's going? ajdedo, please check below for spec of CPD503, might suit your need http://www.cpcamcctv.com/507.htm
  5. http://www.cpcamnewyork.com/cpd507.html take a look at this.
  6. John_lin78

    Avtech 780W DVR problem

    Oh man Hermin, you just blow my under cover identity...
  7. John_lin78

    Avtech 780W DVR problem

    Dear Shawn, My name is John and I've sent you a private message in regard to your problem with the DVR AVC780W. Please check. Thanks.
  8. John_lin78

    9 channel

    http://www.avtech.com.tw/english/product_13_776W.htm it's from AV TECH, 9ch with network budget-wise should be ok depending where you are buying from. it might be interesting to you. John
  9. Hermin you already know where
  10. John_lin78

    Picture Quality vs Recording Speed

    yeah picture quality is THE most important thing in terms of evidentiary proof. but if that true, then why people now all focus on "real time" aspect of the technology? is that because we have already reach the limit or simply recording speed is easier to improve?
  11. http://www.avtech.com.tw/english/product_13_784w.htm This 4CH MPEG2 DVR from AV TECH may be just what you're looking for. Good performance, inexpensive (depending where you are buying from).
  12. John_lin78

    DVR does not have enough storage

    yeah, what size is your HDD? say you are recording with only 4 cameras and other 5 were turned off (no accidental recording due to motion). If you are recording using 30pps (CIF)across 4ch (a typical MPEG2 4ch DVR), so that's about 7.5pps per channel, if you use a 250GB HDD and recording non stop (not motion trigger recording), it will normally give you recording time of more than 10 days. 10 days are "usually" more than enough for any evidentiary recording. Hardly no one report to authority after 10 days of incidents happened, they usually do it "immediately" or within a couple days. Plus most DVRs now have overwrite function that allows you to overwrite the early data in your HDD when the capacity of your HDD is full. So basically, you got endless recording time.
  13. Hey all, it's has been a discussion within me and a couple friends. What do you think is more important: picture quality or recording speed? People nowadays all looking for real time recording, but we all know that faster recording speed = poorer picture quality. Personally I would go for picture quality, so what's your call?
  14. John_lin78

    Wavejet

    Rory, can you explain what does Wavejet really do? I know it uses 50% less storage space, but does it sacrifice image quality? do you know exactly how it works? Thanks.
  15. I've read through all the links Rory posted here http://www.cctvforum.com/viewtopic.php?t=1204, and I noticed that alot of brand and models include CDR/W or DVDR/W as built-in features or add-on optionals. are they really all that important? I mean, it looks good on paper, but when it comes to actual uses, is it really that great of a feature?
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