The selective acquiring the car DVR
The digital car tracking system is composed of car dvr recorder, camcorder, monitor and sign line. The video camera will capure the video indication in the car. The image transmission will be transmitted for the car dvr through the video coaxial-cable. The digital recording device recorder will pack and save your signal in the hard disk as to the setting retention format. At the same time, the dvr can transmitt film signal to the monitor as to the selected compound modes.
The technical aspects of the car DVR
The car dvr is probably the traditional embedded digital video recorder segment market. It’s a new product developed along with the digital video and sound coding. The car Digital video recorder integrates the digital audio and video coding, large capability data hard disk storage space, wireless video indication and GPS satellite tv on pc technology. It understands the audio and video overseeing in the passenger transportation, special vehicle marketplace as well as other fields.
At this time, the AV typical algorithms used by your vehicle dvr manufactuers are MPEG-2, MPEG-4, M.264 and MJPEG. The MPEG-2 along with MJPEG have a low retention rate. The H.264 computer programming algorithm features with high video compression, minimal bit rate, minimal bandwidth and adaptability. Along with the improvement of the camera resolution, the digital computer programming performance is up-graded from CIF(352*288) to 2CIF(704?288), DCIF(528?384),D1(704?576).
The dvr shockproof technology is the vital thing technology of the vehicle DVR. It’s the difference between the gps recorder and the traditional embedded digital video recorder. The traditional shockproof technology normally uses the mechanical method to suspend this in the special shockproof unit. The shock absorber assimilates the vibration along with impact energy. Your magnetic head will not be affected by the mechanised vibration.
Furthermore, several manufacturers choose the electronic shock absorber solution. Several car DVR adds the customized features like GPS satellite tv on pc locating, car information recording and marketing player based on the producing function.
Generally speaking, many of us judge the car DVR based on the stability, shockproof ability, thermal stability and also miniaturization. However, the different selected models have different capabilities. The car DVR gets the following functions.
A single. The professional energy design. It matches the needs of the working natural environment of the large provide voltage fluctuation and also electric pulse reach.
2. Professional shockproof design. It’s lockable along with movable. It can supply the convenient data back up function.
3. The embedded operation program. It’s stable and difficult crash machine.
5. It supports multiplex video and audio input. The real period monitoring and recording are realized.
5. Video recording and quick checking capabilities.
6. It has film loss alarm purpose.
7. It props up the large capacity hard drive. It’s plug and play.
Except for principle functions, the car dvr should have the powerful expansibility. It can provide different expanding functions as to the user’s needs. It could record the driving process. The real some time to two way information sending function can help you recognize the monitoring management. The car entertainment operate can realize the recording playback. It can be used to broadcast the ad and recreation system.
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