There are several possible answers to your question, depending on what you're referring to as bandwidth.
On the Linksys E3000 router, you can increase your total bandwidth by utilizing both the 2.4 GHz and 5 GHz bands for your wireless N networks, and split your wireless connections between the two. This can be done with the Wi-Fi Protected Setup option, or manually through Wireless > Basic Wireless Settings. Note that each network should have it's own SSID and password.
You can adjust the bandwidth priority of certain applications and devices. You can set priorities from High, Medium, Normal, or Low, to control your network traffic. Setting a program to have high priority lets it use more bandwidth; setting a low priority keeps the program from using too much. To adjust these priorities, go to Applications & Gaming > QoS.
You can adjust the maximum outgoing bandwidth that your applications use as well. By default, the router will decide how much to allow your applications (Auto setting). You can change this to your liking by selecting Manual and specifying an amount in either Kbps or Mbps. This is also on the Applications & Gaming > QoS page.
Whether your holding a video business conference, having a personal video chat with a friend or recording video with your laptop webcam, image clarity plays a huge factor in the quality of the video.
There are a number of factors that contribute to the image quality, including available lighting and screen resolution settings.
Adjust your webcam settings, such as brightness contrast, hue and saturation to accommodate the lighting in the room. In order to access your webcam settings, click on "Start" and open the "Control Panel."
Choose "Hardware" and then choose your internal webcam from the hardware menu.
Select the "Properties" tab to open the setting controls and slide each bar until you achieve the ideal visual settings for your broadcast.
Increase the available lighting behind you when conducting a webcam chat, but do not increase the lighting close to the webcam.
A lack of back lighting not only creates a darker image projection, but can cause graininess. Too much light close to the webcam can blanch the image, making it difficult to see.
Adjust your screen resolution.
When the image quality is blurred and distorted during a webcam broadcast, lowering your resolution can sharpen the image projection.
To lower your resolution, right-click on your desktop and click "Properties." Choose "Screen Resolution," from the available prompts.
Lower the screen resolution one step below where it is currently set and test the image quality.
If it needs further sharpening, repeat the process until you achieve the desired clarity.
Adjust settings in the video chat program you are using.
For example, if you are using Skype, select "Tools" and click on the "Video" icon in the left toolbar.
Select "Webcam Settings" and adjust your visual and camera function settings, such as the hue and saturation, as well as lighting compensation.
Test your bandwidth settings.
If the traffic on your network is high, and multiple users are sharing the same Internet connection, it can affect your bandwidth and lower the quality of your video projection.
In order to conduct a quality video session, you should have minimum bandwidth connection of 128 kbps.
To check your bandwidth, visit an online test site like SpeedTest and run a bandwidth check.
Dust off the lens to free dust particles with an air can.
Dust particles can cloud the clarity, but you don't want to wipe them away with your fingers or a rough cloth.
Blasting the lens with a burst of canned air will blow away debris and help improve picture clarity.
Hope this helps
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