Webcams Full HD: how they work, advantages and disadvantages

The development of services for access to the Internet, the emergence of computer technology on the market affordable models led to an increase in people opting for virtual communication process between a.

To clearly see each other, introduces a factor of realism, it makes it practical form of communication through the Internet. Fully implement the communication process will allow the method that is appropriate electron - optical module Full HD frames in a small web - camera.

Come Full HD recording format in amateur photography, created a progressive video distribution system. Full HD cameras are used everywhere: as a system of protection of real property, the notification in e-mail or other chosen option; as a tool that monitor the baby, feed the audio signal of the emergency situation.

As a web-camera work

Full HD format device lifted internet communication between users to a new level, given the significant increase in the clarity and smoothness of motion transmission. Peripherals PC manufactures take a picture, puts it on the monitor.

Model selection should start with the purpose of use, for example:

• conduct video blogs;
• participation in conferences at a distance;
• distance calls to other users.

Connection options:

• via USB - port 2.0 or 3.0 (for current models);
• wirelessly - Bluetooth;
• using a network cable;
• via Wi-Fi.

When connected, the device detection is automatically set by the driver. If the computer does not recognize the webcam, launch the disk that comes with it, or download the software manufacturer's website - the signal transmission quality will not suffer.

Increased optical zoom enlarges or reduces the shooting scale. Multiplicity is regulated in two ways: manually - by turning the lens ring or automatically. A person can be seen at a distance of six meters.

Image sharpness adjustment items is made via software: auto option - determination.

Audio sound transmitted built-in microphone characteristics include increased sensitivity, with the suppression of external noises. There are models equipped with two microphones, with the function of retracting the echo, adding sound effects.

Device

• Receive intelligible signal to make communication over the Internet realistic enable device with a resolution of 1920 x 1080 (Full HD), which operates at a sufficient speed Internet - compound. Measure the conductivity can be on the web - site, download the app.
• Modern matrix webcam - "CMOS" with three or five megapixels will provide image quality. Another type of matrix - "CCD", characterized by a low level of susceptibility to thermal noise.
• Glass lenses of 5 layers, ensuring operation of the camera lens, Full HD movies. the image will be worse with plastic lenses.
• Light sensitivity of elements - the ability to capture light when shooting video. The number of elements in the Full HD, is from 3 megapixels. The frame rate of 30 - 50 per second will give a visual fluidity of movement. The frame rate in excess of 30 per second for video playback on the monitor diagonal of 25 inches.
• Less than 20 frames per second will lead to a "jerky" video. Full HD video is present automatic and manual tuning. Manual focus will give the image of the set parameters.
• Design Web - cameras Full HD, designed for home / office environment.

We offer the following types on the market:

• dome, rounded shape;
• square, rectangular;
• in the form of animals;
• human figures;
• in the form of articles / objects.

functions

Are entertaining, but there are also practical:

• create an original background playback picture;
• supplemented by background objects;
• include motion detection sensor;
• transform the shape of the image;
• adjust the color;
• track face of the interlocutor;
• make installation made record;
• adjust the shooting mode of 10 - 20 frames, at a given time.

The amount of space in one frame is calculated angle (view) of a scale degree lens. The rotation of the web-camera 180 degrees, is required to find the optimal viewing - it brings comfort when dealing with an opponent.

To centralize enough 70 degrees object. The choice depends on the purpose of use of the web - camera Full HD.

mounting types are varied:

• on a stand, a pin;
• sucker, velcro;
• trenozhka;
• plastic "foot" of the three elements;
• on a soft rubber surface.

In professional web camera has a threaded tripod mount - a convenient locking mechanism.

Advantages and disadvantages of web-cameras Full HD

Advantages:

• Signal quality, the number of frames per second (assuming authorization 3 - 5 megapixel cameras).
• Five-layer glass optics preserve image clarity, without distortion and translation breaks at a distance of 6 meters.
• For ease of use, distribution system with information storage center, interacts with your smartphone, tablet, laptop, PC.
• Professional processing, video conversion to digital format.
• Flagships segment Full HD format, have an impressive correction functionality: saturation, brightness, contrast, shape change, adding objects.
• The data compression method will transmit without delay, reduce the file 4 times, without loss to the JPEG format, go to Full HD mode will be smooth.
• Support stereo, power amplification to the format of the broadcast business conferences several hundred representatives.
• Complex combination of hull materials: glossy, matte, velvet.
• Automatic removal side illumination effect.
• Authentication on the Internet resources through facial recognition.
• The rotation of the lens using the remote control.

Disadvantages:

• High price. Please be aware that during 2015 the price of items dropped by half.
• Lack of integration. Full HD format is not supported by all analog devices. Guilt manufacturer in this, the user can always improve the quality of computer equipment, upgrade or purchase a new device.
• The load on the Internet. a digital flow rate of 24 Mbit / s. Increase the transfer rate, you can contact your ISP - Internet service provider, the operator will offer the best way out.
• The amount of the personal computer memory must be at least one / two gigabytes.

How to use

• Before deciding to buy the web - camera Full HD, check it in action. Look at the recorded video, the playback quality of the vote. Pay attention to the quality of shooting in poor lighting conditions. Check the operation of the built-in backlight.
• To accommodate the device, select the length of the connecting cord. To do this, measure the distance of the place where the web will be installed - camera.
• Ensure the health of the speakers and microphone, check that the sound on the computer has not been muted.
• Video card should support the construction of the texture on the specified version. At a resolution of 1920 x 1080 video device will not function if the motherboard is installed single-core processor with a frequency lower than 2.5 Hz, and the monitor is connected to the integrated video card. Change in the "Settings" resolution camera the ability to restart the computer.
• Manufacturers web - cameras Full HD maximum resolution indicate on the package, which depends on software method, in this case, the quality will be lower than claimed. Pick a model based on the parameters of the matrix.
• do not wipe the glass lens optics rigid materials, you scratch the surface, use a soft cloth.

malfunctions

The error in determining when the camera is turned on the program, requires the following actions:

• to reboot (switch off / turn on the device);
• check that it was not in the other USB connections;
• connect a webcam to another connector (if any);
• give up a hub, connect the web - camera directly;
• re-install the software.

Failed to save and retrieve files:
Folder to store pictures, audio tracks, video, installed by default. If a user is denied access, it is required to "solve" through the operating system.

Refusal of work pan:
Reduce scaling, resolution. With increasing to a limit, the pan can not function.

It is impossible to make a video call:

• check the type of connection, calls can be made with a broadband connection and a DSL network;
• Make sure you have instant messaging program, with the function of video calling. The program should determine the webcam;
• sometimes you need to re-connect a microphone, speakers, a personal computer, via software;
• temporarily close other running applications;
• look to the subscriber has been added to the list of contacts, and the program has appropriate Instant Messaging status "available".

The microphone does not produce sound:

• Close the applications;
• disconnect device;
• Restart the computer;
• Find the control panel sound settings;
• turn on the volume, move the slider to the desired level.

It is impossible to take a photo:

• set the automatic adjustment;
• remove objects which enclose the lens;
• check the availability of access to the folder where the pictures are stored;
• open access through the operating system.

It is not possible to record and save video:

Check the hard drive, it can be filled with information, various video and audio files. Free up space and videos will be preserved.

Enjoy images, take photos, record the interesting moments in life. You will be something to remember!