Digital recorder
When it comes to video surveillance, use a digital recorder. The miniature microphone is incorporated into a portable digital recorder. The sound and images captured are of high quality.
Definition of the digital recorder
A digital or digital recorder is an electronic device. It is in principle intended to record sound and images. The surveillance camera is equipped with it. Also known as the Digital Video Recorder (DVR), the device archived the data in a digitized form. It comes in various media such as the SD Card, the USB stick, the hard drive. The digital recorder works like a Dictaphone. The sound is often in Mp3, WaV and Mpeg or Mp4 videos.
Recorder qualities
The digital recorder is easy to use. It is embedded in the surveillance camera. The recording automatically triggers at the slightest sound and/or movement. The hourly programming will determine it continuously, intermittently or at a specific time if it functions as an external numeriscope. Indeed, this type of digital dictaphone is appreciated by viewers for recording favourite shows in their absence from home. You have the advantage, in terms of reading, of benefiting from the properties of time lag or timeshifting. Listen to the sound and view the images by navigating backwards, in slow motion or in a hurry. With a digital recorder, you have the timecode which is a time tracking mode in numbers. It simplifies any possible fixtures. The copied files keep the quality of the originals
Criteria for choosing a digital recorder
For video surveillance, the cameras are equipped with a recorder either integrated, in the form of an SD card or externally in the form of an electronic device. Approach a specialty physical store or buy online. Demand a digital audio recorder multiple or combined inputs for connection. Jack, XLR connections are important. In audio, the common file formats are MP3 and WAV. The 24-bit resolution is recommended.