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Do You Really Know What is The Dash Camera?

  • 2016-12-28 14:38
  • by Toguard
Do you really know what is the Dash camera? Let me introduce you some dash camera's history and related functions, I believe that you will be very happy to know some information about it.The following part comes from wikipedia, You can check it at any time.

A dashcam or dashboard camera is an onboard camera that continuously records the view through a vehicle's windscreen. It may be attached to the interior windscreen or to the top of the dashboard, by suction cup or adhesive-tape mount. Dashcams may provide video evidence in the event of an accident.A dashcam camera differs from other cameras by the fact that it has to be an independent witness, require minimum attention, let the driver do the driving.

  • typical camera properties in general (resolution, frame rate, focus distance, aperture) and how these are set, varied are optimised for the purpose;
  • resolution and optics quality are important for visibility of details such as number plates. As of 2016 is 720p past, 1080p today, and 4k future.
  • higher frame rates are important to get the details of an event.
  • focus and aperture settings must be optimum for the situation just outside the car.
  • some cameras may even have an automatic zoom to record a perpetrator speeding away.
  • handsfree start-stop; typically by ignition key or g-force sensors.
  • easy memory management; typically looping around and erasing the oldest recorded videos that are not marked as important; the stored files will be broken up into 1-3 minute recordings. Recording media is typically an SD card of a given quality (might restrict choices) and capacity (might restrict looping time; depending on resolution 32gb gives minutes or hours of recording time to loop around). Some may let the user lower the recording resolution, so the rest of the trip is less likely to overwrite things earlier that the user deems important.
  • easy marking of important videos; typically by g-force sensors and manually at recording and/or viewing time. Some will let you store a copy in your smartphone via WI-FI .
  • easy battery power management; typically not recording during parking time, except when g-force sensors indicate an event, and when the car battery does not risk going flat.
  • internal emergency battery; in case the event switches the external power to the camera off, or in case of parking mode without car battery power.
  • recording in dark ; typically by infrared LED light of its own, and infrared recording, of scenes within LED light reach, for example the interior of the cabin.
  • registering GPS position, date and time on to the video.
  • instant reviewing ; typically on an on-board screen or on a smartphone/tablet via WI-FI. This function might reduce discussions at the event site.
  • active messaging; typically if the driver loses consciousness (sudden g-forces followed by no driver or outside activity), message may be sent to emergency help of users choice. Another typical use is in case an event occurs in parking mode, message may be sent to the user.
  • microphone to receive/record sounds
  • simple status verification; typically by colour LED lights, and/or voice messages
  • ability to tolerate the heat in a car parked under sun, or the cold of car parked in freezing winter.
  • hiding in plain view; typically to avoid burglary targeting the camera itself, or to aesthetically blend to the car's interior.
  • other functions: since the camera looks continuously to the scene in front of the vehicle, image processing gives opportunities to detect and give warning for drifting out of the lane, approaching to a possible collision, etc.
Dashcams are widespread in Russia as a guard against police corruption and insurance fraud, where they provide additional evidence. They have been called "ubiquitous" and "an on-line obsession", and are so prevalent that dashcam footage was the most common footage of the 2013 Chelyabinsk meteor,which was documented from a dozen angles. Thousands of videos showing automobile and aircraft crashes, close calls, and attempts at insurance fraud have been uploaded to social sharing websites such as YouTube, Facebook, Twitter, Yandex, and other websites.

In the UK, sales of dash cams rocketed in 2015 according to data from independent retail analysts GfK, which showed that dash cams were the fastest growing consumer electronic, with sales increasing by 395%.

As of March 2016, separate GfK stats show that Nextbase’s range of dash cams accounts for more than 68 per cent of this market by volume and 73 per cent by value.

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