Compression format
Each surveillance camera it presents in the form of a wifi spy camera or hd spy camera smoke detector is offered for sale with a compression format. The recorder must have a large capacity for compressing data storage.
Definition of compression format
When a surveillance camera or Camera clock captures raw images, it sends them back to the recorder in the form of scanned and compressed images, i.e. reduced in size according to the ONVIF standard that has been adopted by the major camera manufacturers. Every camera even high tech gadgets like the USB spy camera key or the spy camera detector, has a compression format.
Good compression format
A compression is classified as quality for the following reasons:
- When it does not alter the quality of the images when viewing them.
- When these images are searchable in real time.
- When the data doesn't take up too much space in the recorder.
Types of compression format
There are several compression formats. In general, the most common are:
- The MJPEG, a new version of the MPEG, innovates against the performance of other types of compression format.
- The MPEG4 v2 and v10. It is in the same vein and best meets the requirements of full HD.
The H264. It is the format that is most suited to the demand for professional video surveillance. The image compression density is higher than that of the MPEG and the bandwidth is also decreasing. Images stored in MPEG 4 and H264 can be easily viewed by the VLC or Media Player player.
