What is a camera recorder? Learn about camera recorders. What are NVR, DVR, HVR recorders?
DVR recorders also have other names such as: camera recorder, camera receiver, camera receiver, camera recorder…. Depending on the habits of the user. The DVR is an electronic device that can receive the signals from analog cameras that process and record images in real time to show us how to use and manage images. the easiest.
The camera recorder is an indispensable part of a camera system. The recorder has the function to receive and process information obtained from the camera and then convert it into the signal output to the screen.
What is the function of DVR?
- On the video recorder will be equipped with a hard drive, for the purpose of recording (recoder) the images and events taking place during the day. The recording
công ty lắp đặt camera dịch vụ lắp đặt camera time depends on the hard drive. The larger the capacity of the hard drive, the longer the recording time will be.
- Capture and focus images from CCTV to 1 place to output images to the network port so that we can manage them via LAN, internet by computer, or mobile phone.
Can be used in combination with other analog cameras without compatibility.
Can record in standard CIF, 2CIF, D1, full D1, 960H ...
A maximum of 4 to 256 channels can be recorded.
Classification of camera recorders
More convenient, recording with longer duration, Better recording quality.
Completely automatic.
Video and sound contained in the DVR:
Quick access,
Camera Observe and record locally or remotely over the Internet.
Many people can observe it at the same time
Can be used in alarm system.
Current popular types of video recorders: DVR, NVR and HVR
DVR (Digital Video Recorder): is a type of video recorder dedicated to camera Anlog
NVR (Network Video Recorder): is a type of recorder for IP cameras
HVR (Hyber Video Recorder): mixed video recorder for both types of cameras
PC Base: Record type using a converter card inserted into the computer. Here we go into each type of camera recorder offline
* NVR recorder
The video recorder can only be used on IP cameras
Due to the built-in IP camera technology and platform and can only work with IP cameras and this type of video recorder integrates many more advanced functions on the DVR such as recording HD only when motion is ...
Because the IP camera manufacturing technology has many complexities and needs compatibility, it is impossible to cross-use between manufacturers.
This is a must-have feature of surveillance camera recorders
Image, recording speed
The features of video surveillance cameras will be determined based on image standards and recording speed. Minimum image is H264, speed 25h / s with standard AHD, HD, Full HD ... Corresponding to analog camera recorder, hd camera recorder.
Hard drive recorder
If the recorder system has no HDD, then it will work as usual. However, they will lose the extremely important ability of being unable to store all the data that the camera has recorded.
Therefore, when choosing a surveillance camera recorder, customers should pay attention to choosing the appropriate HDD. Using a hard drive with larger capacity, the more image data can be stored. From there, the price of camera recorders will increase.
All types of cameras have the function of monitoring and are attached to the video recorder. The recorder will connect to the display screen such as: TV, computer and monitor screen will appear. The image will be recorded on the hard drive of the recorder. Should install the camera in the high angle position can observe the best coverage and limit backlit installation. We can use computers to connect and monitor the internet camera system easily.
Image search and review features
The camera recorder will allow users to search for images by time frame, by month, by year. You can fast-forward or review the searched images easily. Some high-quality video recorders also support viewing all cameras at the same time. When you want to view a specific image, just zoom on the camera image.
Camera receiver ports
1. Alarm port: connecting with peripheral
camera wifi công ty camera devices to alarm the event until the user.
2. VGA out port: To output the picture to a VGA port connected to a PC monitor or television that supports VGA port.
3. Lan port: also known as an internet port connected to the internet line to observe the camera remotely over the internet.
4. Video out port: used to output camera image and monitor by TV
5. Video Input port: Use to connect the pull-back camera eyes to receive camera signals.
6. Audion Input port: Used to connect with the audio accompanying each camera eye. Analog cameras usually rarely support the line with the microphone attached, usually you have to external.
xem thêm thông tin chi tiết