Saturday, July 04, 2009.
Web Cameras
Web Cameras, also known as webcams, are now one of the most popular gadgets that people use during live chats. They enable people to see the faces and actions of the individual they are chatting to. As you can imagine this is an extremely appealing feature — chat just got more intimate!You can chat with anyone in the world at any time and be able to see their face. In fact, it is so appealing to society that there are thousands of chat rooms on the Internet that use web cam technology. With web cams and microphones combined it has created an enhanced way to relate online.
Besides being used for live chat web cameras are also used in Traffic Surveillance, Bank Security, Childcare, Weather Watching, and Nature Observations.
How do Webcams Work?
Webcams come in all shapes and sizes. Because of this they range from being very simple to complex. Let's start with simple.A simple Webcam consists of a digital camera attached to your computer. Cameras like these are very cheap. They work through a type of software connecting to the camera and capturing a frame from it. The software transforms that image into a JPG file and constantly uploads it to a Web server.
As webcams become more complex they come with new and improved accessories such as external video jacks and RCA jacks to plug into the computer. Additions elements such as microphones and newer features like enhanced imaging are also appearing on the webcam scene.
Where can I buy a Webcam?
Any local electronic store should have brand new webcams that range from very cheap to very expensive. Though if you are not worried about buying a brand new webcam there are many websites that have webcams on them for sell for lower prices than you could get one at an electronic store. Try ebay.com.Types of Webcams
There are two types of webcams. The first type that we will look at are Plug and Play webcams. This type in particular is for those just getting started with webcams. There are advantages and disadvantages to buying this type. On one hand this kind of webcam is simpler and doesn't cost much. It also plugs into a USB port — which 99% of computers have. Though the downside of this is a slower frame rate which affects the image quality during a chat. Internet speed can also make a difference to this.The other types of webcams are Video Capture Devices and Cameras. These webcams are for more advanced users. The advantages for this type of camera is that they offer video streaming and a better image quality. This is usually desired for online conferencing because you have a better image than the plug and play webcams. The disadvantage to this type of webcam is that they are more expensive and usually require a high connection speed.
Notebook Webcams
These webcams are specially made for notebooks note the term 'notebook webcams'. These small, light, and sleek webcams range in price. As stated before the higher the price the more extras the webcam consists of.The lower priced cameras usually have a built in microphone. This enables those that travel to not have to carry around a microphone along with their webcam to do online chats. These particular webcams are traditionally only compatible with windows.
The middle priced cameras typically have automatic tracing devices and built in microphones. The automatic facing tracing is helpful because it provides a better picture for chatting. These particular webcams are only compatible with windows.
Then you have the higher priced notebook webcams that include Automatic Face Tracking, a Digital Zoom, a built in Microphone, Pro Editing Software, and is a USB plug in interface. The Digital Zoom is the highlight on this camera because the cheaper ones do not typically run a zoom. This zoom is very helpful when you are trying to show small or far away objects during a chat. These particular webcams are compatible with both windows and Mac.
Find out info on computer microphones.
