Digital video capture has become easier and easier, yet we still can’t call it piece of cake. It does look simple when you seem someone else performing the task, shooting the scenes with the video camera and then downloading the stored data into the computer. With a few clicks you may expect to create some cinematic masterpiece.
Things could nevertheless get a lot trickier. Digital video capture is possible by the compression and decompression of data through digitized encoding: there is no other way to handle the process because of the large necessary storage space required.
From the point of view of the compression-decompression process, it seems that things were much simpler with analog videos where the storage and the transmission of large amounts of information was possible with fewer steps. Yet, this was usually possible at the detriment of image quality. Digital video capture involves a superior technological process, and it represents a progress in terms of quality video shooting.
The solution for the compression-decompression process came from the invention of the CODEC algorithms that work for the adjustment of the video to a computer by digitizing and compressing pictures. PCs often come with pre-installed CODECs, particularly the newer models. CODECs can also be downloaded online. M-JPEG or JPEG algorithms enjoy the best reputation. Digital video capture therefore has a complexity that the regular camcorder user does not even suspect.
The best type of digital video capture is performed with a special type of capture card also known as firewire or IEEE. The quality of the material may be impaired during transfer if you don’t have such a card. Professionals further rely on the use of more advanced digital video cards but they are out of the average consumer’s reach by the very high prices. This does not mean that you can’t get decent quality for a good price too.
When storage devices allow for a transfer rate of up to 400 Mbps, then, digital video capture a a complete rewarding process. When the transfer rate is lower, the processing of data from the camcorder into the computer gets difficult. The ports in the new computer models are built in to easily use the card, so that you don’t have to improvise. You should nevertheless check the Open Host Controller Interface compliance in order to make sure that the digital video card is compatible with you computer or notebook.
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