5 best IP cameras
The main feature of any IP camera is its electronic filling. Depending on the cost of the device, it may have different additional functionality. For example, there are models that…

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Sony Alpha 7R IV test: a first look
Sony ILCE-7RM4 Feature Overview Sony Alpha 7R IV became the first serial full-frame camera to break through the psychological barrier of 50 megapixels. The camera took this height with a…

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Standard Definition Video Recording Formats
First of all, it should be noted that, without exception, all modern digital video cameras use certain compression algorithms and compression of the original video, and the “recording format” just…

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oldest recording

Standard Definition Video Recording Formats

First of all, it should be noted that, without exception, all modern digital video cameras use certain compression algorithms and compression of the original video, and the “recording format” just characterizes the compression algorithms used. Let’s see what recording formats are found today in standard-resolution digital video cameras; we will talk about high-resolution video cameras separately, a little later.

DV is a video format with frame-by-frame compression (compression), that is, each frame of the video is compressed individually. At the same time, the compression ratio can be variable within the same frame — areas of the image that are difficult to compress are compressed with a lower compression ratio, and simple ones with a larger one. In this case, the total compression ratio for the entire frame remains constant (5: 1). The resulting stream for video is approximately 25 Mbps. The DV frame size is fixed and is (for the PAL standard) 720×576 pixels. This format is used in miniDV camcorders, and video recording, respectively, is performed on miniDV cassettes. Continue reading

CHOOSE THE HD VIDEO CAMERA

If you decide to buy a camera by the summer, and decide that this camera must be highly accurate, then the main choice that confronts you is the choice of camera type. Today, the world is dominated by five main classes of digital video cameras, which differ from each other in information carriers.

The camcorder has already become as ordinary a home media device as the TV

Here they are – recording on MiniDV tapes, on a DVD-ROM, on a hard drive, on a flash memory card, and finally on a flash memory such as SSD.

Aspect ratio and aspect ratio for various video formats Continue reading

The collapsed camera market is kept afloat by very expensive cameras. Figures
Despite the general decline in the global camera market, premium devices continue to gain popularity among consumers, also contributing to the growth of the interchangeable lens market. This situation is…

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Manufacturers will have to change their minds
Despite the fierce price war with camera phones, well-known companies did not want to lower the price of digital cameras below $ 100 for a long time. Instead of lowering…

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The best budget camera of 2019: from the “soap box” to the “DSLR”
For a professional who makes a living by taking pictures, a quality camera is all. However, for most people, it makes no sense to spend such an impressive amount. Therefore,…

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TRENDNET TV-IP851WIC INTERNET CAMERA TEST: HOME CCTV SYSTEM
Reasons for concern - what happens at home, in the country, in the garage, while you are not there - everyone can be different. It is not necessary to be…

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