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  #1  
Old Jan 15, 2007, 08:07 PM
befor befor is offline
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Default How to Choose a Webcam

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Webcams, apart from letting your far away friends see you, can also be used to create personal videos, small video e-mail messages, take digital photographs etc. With a sea of brands and models to choose from, here’s how to understand the indispensable features of a Webcam to find the right one for you.


? Resolution and speed. The quality of the images that you send will depend primarily on your Webcam's resolution. Camera resolution is measured in pixels: The more per frame the better. Typical resolutions are from 160×120 to 640×480 dpi (dots per inch). While it’s sensible to go for a camera that supports larger pixel levels, it also depends on your bandwidth. High resolution images go slower, so you need a fast internet connection.

Coming to speed now, Webcams capture a series of still images called frames, which is then emulated as video. By and large, your Webcam must offer 10 to 30 fps (frames per second) , although frame-capture will depend upon your computer's performance, Internet line speed and the connection interface your Webcam uses. The smoothness and quality of the transmission so depends upon the number of frames your cam can display in a second; here again: higher the better.


? Connecting interface. Next up is determining the port, which lets your Webcam talk to your computer at higher transfer speeds. For Webcams you have the choice of USB and Parallel or Serial ports. USB 2.0 has transfer speed up to 30 fps, which can produce the best image quality as it’s the fastest interface available. As technology has evolved quite a bit, Webcams are moving to faster interfaces like FireWire. Be careful when checking the specs of your Webcam as there are manufactures who blatantly advertise their product as USB 2.0 "compatible". Compatible, as against compliant, means the camera will work on a USB 2.0 connection but not use USB 2.0 capabilities, i.e. functions as a USB 1.1 cam even though connected to USB 2.0.


? Controls and features. Most Webcams have manual focus, which makes it easier for you to broadcast yourself. Lens must be of superior quality, which can adjust to variable lighting and conditions. A Webcam with a steady mounting system allows you to adjust it both vertically (tilt) and horizontally (pan). Some Webcams can be detached from their stands, allowing you to take pictures and films with more mobility. There are wireless Webcams that allow capturing video on your computer despite being about 75 feet away. And then there are some models that have internal memory at around 8MB plus, that can be used for storing still images and movie clips. The capability of a Webcam to zoom is also a good feature.
  #2  
Old Jan 22, 2008, 08:55 AM
Jack_Vorobey Jack_Vorobey is offline
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Default

It's very useful information, dude..
Thanks..
  #3  
Old Jul 29, 2009, 09:16 PM
MarcyOne MarcyOne is offline
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I would recommend the following:

1. Name brand cams (Logitech, Microsoft LifeCam, Creative).
2. Something in the $25-30 range.
3. Keep in mind factors like internet connection speeds can also
impact quality, as well as having other applications open chewing up
resource. A broadband connection is going to be better than something
like dial-up, and closing applications (streaming music or video) not
being used can also help.


  #4  
Old Apr 01, 2010, 03:39 AM
millerjones millerjones is offline
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Join Date: Oct 2007
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Default How to Choose a Webcam

Hi, according to me every time and anytime I buy anything on the internet, I always print a copy of the ad. This way if there is a problem, I have the ad.

I have never had a problem with them in past. It may have been an error and they caught it later and changed it. Call them back, and explain it again to them. Do not lose your temper, and if they tell you that they can not do anything to fix it, you can tell them that you would to return the item. Your other choice is to call your credit card company to ask them not to pay them until this matter is resolved. I think you will be considering of this thought.

All the best
<a href=”***********.msdscompliance.com/msds_software.php”>msds software</a>
 

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