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2024-05-07 The function and principle of hard disk video recorder The function and principle of hard disk video recorder digital video recorder (DVR) is a digital video recording, storage, playback and management of video data equipment, its main role is to achieve video surveillance real-time recording and monitoring screen recording. It can use several types of storage devices, such as Network Hard Disk recorders (NVRS), which are mainly used to manage and store network video streams such as IPC. Hard disk video recorder mainly consists of hardware and software system. Hardware includes video codec chip, CPU, memory, hard disk and so on. The video codec chip is responsible for compressing and encoding the input video signal, and then processing and controlling it through the CPU. Memory is used to store the operating system and applications. Hard disks are used to store video data. Software systems include operating systems, applications, and user interfaces. The operating system is responsible for the management of hardware resources, and the application is responsible for the recording, playback, and management of videos. The user interface is responsible for providing the interface and interaction mode of user operation. The working principle of DVR is to collect video signal through the camera, and then compress and encode the video signal through the video codec chip, and the encoded video data is stored on the hard

2024-04-25 Application and advantages of vehicle Cameras As a front end, the on-board camera can obtain important information such as the environment and road conditions around the vehicle, providing important data support for autonomous driving technology. Its advantages are mainly reflected in the following aspects: 1. High real-time performance: the on-board camera can collect image information in real time and transmit it to the back-end processing system for analysis, so as to achieve real-time monitoring and control of the vehicle; 2. High resolution: Due to the complex and changeable environment of the vehicle, the camera needs to have a high resolution to capture details, so as to facilitate subsequent analysis and identification; 3. Multi-functional: In addition to the basic imaging function, it can also integrate other sensors such as radar, Lidar, etc., to achieve a more comprehensive perception; 4. Strong reliability: in bad weather conditions, the vehicle equipment needs to have strong anti-interference ability and stability to ensure the accuracy and reliability of the data. Therefore, the application prospects of vehicle cameras are broad, and they can be widely used in intelligent transportation, unmanned driving and other fields to improve driving safety and efficiency.

2024-04-18 The main functions and outstanding features of mobile hard disk recorders Hard disk Recorder (Digital Video Recorder, referred to as DVR), that is, digital video recorder, compared with the traditional analog video recorder, using hard disk recording, it is often called hard disk recorder, also known as DVR. It is a set of image storage and processing computer system, with the image/voice for a long time video recording, recording, remote monitoring and control functions. DVR uses digital recording technology, in image processing, image storage, retrieval, backup, and network transmission, remote control and other aspects are also far superior to analog monitoring equipment, DVR represents the development direction of TV monitoring system, is the market TV monitoring system of choice products. The main functions of DVR include: monitoring function, recording function, playback function, alarm function, control function, network function, password authorization function and work schedule function. The following features are also included: Video storage All hard disk recorders can be connected to the serial port hard disk, users can choose different sizes of hard disk connection according to their own video storage time. Video viewing Hard disk video recorder with BNC, VGA video output, can be used with TV, monitor, computer monitor and other display equipment. Some manufacturers also integrate the display screen with the hard disk video recorder. Video viewing is divided into real-time video viewing and video playback. Video management All DVR manufacturers are equipped with centralized management software, which can be used to manage video images of multiple hard disk recorders and unified video storage functions. Remote access Hard disk video recorder through the network setting, can achieve remot

2023-10-24 How to use the mobile DVR and what do I need to pay attention to? Using a mobile DVR (Digital Video Recorder) can help record video and audio while the vehicle is in motion. The following are general steps and precautions for use: 1. Installation: Install the mobile DVR in an appropriate location inside the vehicle, usually at the front or rear of the vehicle. Make sure the DVR is securely mounted and will not wobble or come loose while driving. 2. Connect the camera: Connect the camera to the mobile DVR. Cameras are usually mounted on the front and rear of the vehicle to capture the front and rear of the vehicle as it travels. Make sure the camera is properly positioned and angled to record video clearly.Mobile NVR 3. Connect to power: Connect the mobile DVR to the vehicle's power system, usually through the vehicle's cigarette lighter socket or directly to the vehicle's battery. Make sure the power supply is connected correctly to ensure the DVR works properly.HD Monitor 4. Adjust Settings: Adjust the settings of the mobile DVR, such as video resolution, recording time, loop recording, etc., as needed. Follow the instruction manual of the mobile DVR to know how to make settings and adjustments. 5. Start Recording: Start the recording function of the mobile DVR. Once started, the mobile DVR will automatically start recording video and audio while the vehicle is traveling. Make sure the DVR has enough storage space for the required recording time.AI Intelligent Systems 6. Store and manage recordings: Periodically back up t

2023-10-16 Which is better, a vehicle-mounted mobile NVR or a vehicle-mounted mobile DVR? Vehicle-mounted mobile NVR and vehicle-mounted mobile DVR are both components of a vehicle surveillance system, but they have some differences. Vehicle-mounted mobile DVR is a kind of digital video recorder, usually using hard disk or SD card as the storage medium, which can record video and audio during vehicle traveling. Vehicle-mounted mobile DVRs are usually shock-resistant and anti-interference, and can work stably while the vehicle is in motion. Vehicle-mounted mobile DVR can provide real-time monitoring, playback and download functions. Vehicle-mounted mobile NVR is a kind of network video recorder, usually using solid-state hard disk or SD card as storage media, which can record video and audio during vehicle traveling. Vehicle-mounted mobile NVR usually has the characteristics of anti-vibration, anti-interference, GPS positioning, etc., and can work stably during vehicle traveling. Vehicle-mounted mobile NVR can provide real-time monitoring, playback, download and remote access and other functions. In general, vehicle-mounted mobile NVR has the following advantages over vehicle-mounted mobile DVR: 1. Larger storage capacity: Vehicle-mounted mobile NVR usually uses solid-state hard disk as the storage medium, which has a larger storage capacity and can record video and audio for a longer period of time. 2. Better video quality:

2023-10-16 How to buy car mobile NVR? When choosing to buy a vehicle-mounted mobile NVR, you can consider the following factors: 1. Number of video channels: According to your needs, determine how many video channels you need. Different vehicle-mounted mobile NVRs will have different number of video channels, so you can choose the number of video channels that is suitable for your vehicle. 2. Storage capacity: Consider the storage capacity of the vehicle-mounted mobile NVR to determine if it is sufficient to store the amount of video time you need. Usually, vehicle-mounted mobile NVR will use SD card or solid state hard disk as the storage medium, you can choose the appropriate storage capacity according to your needs. 3. High Definition Video Quality: Choose a vehicle-mounted mobile NVR with high definition video quality to ensure that you can watch the video clearly. Usually, vehicle-mounted mobile NVR will support HD resolution, such as 720p or 1080p. 4. Anti-vibration performance: Consider the anti-vibration performance of the vehicle-mounted mobile NVR to ensure that the NVR can work stably and maintain the stability and clarity of the video recordings when the vehicle is in motion. 5. Remote access function: Choose the vehicle-mounted mobile NVR with remote access function so that you can view the real-time video and video files of the vehicle at any time through cell phones or computers and other devices. 6. GPS Positioning Function: Some vehicle-mounted mobile NVRs have GPS positioning f

2023-10-16 What are the features of a car HD monitor? Car HD monitor has the following features: 1. High Definition Picture Quality: Vehicle-mounted HD monitors usually have high resolution, which can provide clear and detailed video images. This allows drivers to more accurately observe the situation on the road and improve driving safety. 2. Multi-Channel Recording: Vehicle-mounted HD monitors usually have multiple channels and can record video from multiple cameras at the same time. This allows drivers to monitor the front, back, left and right sides of the vehicle at the same time, providing a more comprehensive perspective. 3. Loop Recording: Vehicle-mounted HD monitors usually support the loop recording function, that is, when the storage media (such as SD card) is full, it will automatically overwrite the earliest video file to ensure continuous recording without stopping due to insufficient storage space. 4. Event Recording: Vehicle-mounted HD monitors usually have G sensors, which can detect events such as vehicle collisions or emergency braking, and automatically save the video files related to the event. This helps drivers find evidence after an accident as well as protect their rights. 5. GPS Positioning Function: Some in-vehicle HD monitors also have GPS positioning function, which can record the vehicle's location information and correlate it with the video image. This allows drivers to accurately understand how the vehicle is traveling in different locations. 6. Remote monitoring: Some vehicle HD

2023-10-16 How to install a car HD monitor The steps for installing a car HD monitor are as follows: 1. Determine the installation location: first of all, determine the location where you want to install the car HD monitor. Usually, the in-vehicle HD monitor can be installed on the dashboard, rearview mirror or roof of the vehicle. Choose a location so that you can easily observe the contents of the monitor and it will not interfere with your driving. 2. Prepare installation tools and materials: Before you start the installation, prepare the required installation tools and materials, such as screwdrivers, drills, screws, and wires. Make sure you have the correct tools and materials to complete the installation process successfully. 3. Install a bracket or support bracket: Depending on the mounting location you choose, install a bracket or support bracket to secure the in-vehicle HD monitor to the vehicle. Use screws and a drill to install the bracket or support frame in the proper location and make sure it is firm and stable. 4. Connect the power cord: Connect the power cord of the vehicle mounted HD monitor to the vehicle's power system. Depending on the monitor's power requirements, connect it to the vehicle's power cord, either by connecting to the vehicle's cigarette lighter socket or directly to the vehicle's battery. 5. Connecting the video cable: Connect the video cable from the vehicle's HD monitor to a camera or other video source. Depending on the monitor's video input connector, connect it to the output connector of the camera or other vi

2023-10-16 What are the components of a vehicle-mounted mobile DVR? Vehicle-mounted mobile DVR usually consists of the following main components: 1. Mainframe: The mainframe is the core part of the vehicle-mounted mobile DVR, which is responsible for receiving and processing the video signals captured by the camera, as well as storing the video files. The mainframe usually has a high-performance processor and storage devices to ensure smooth video recording and storage. 2. 2. Camera: Camera is an important part of vehicle-mounted mobile DVR, used to capture video images around the vehicle. The camera usually has a high-definition image sensor and a wide-angle lens to provide clear video recording and a wide field of view. 3. Storage device: Vehicle-mounted mobile DVRs need to store video files for subsequent viewing and analysis. The storage device can be a built-in solid state drive (SSD) or an external memory card (e.g. SD card), depending on the design and configuration of the DVR. 4. Display: Some in-vehicle mobile DVRs are equipped with a built-in display for real-time viewing of recorded video or playback of stored video files. The display usually has a high resolution and a size suitable for viewing in the vehicle. 5. Power supply: In-vehicle mobile DVRs require a power supply, which is usually connected through the vehicle's power system. Some DVRs may also have a battery backup or supercapacitor to provide power support for a short period of time in case the vehicle loses power. 6.

2023-10-16 Where mobile DVRs can be applied? Mobile DVR can be used in many places, some of them include: 1. Public transportation: Mobile DVRs can be installed on transportation vehicles such as buses, subways, trains, etc. to record the behavior of passengers and the movement of the vehicle to improve safety and help resolve any disputes. 2. freight transportation: mobile DVRs can be installed on transportation vehicles such as vans, trucks, trailers, etc. to record the loading and unloading of goods and the movement of the vehicles to ensure the safety of the goods and improve the efficiency of the transportation. 3. Taxi and Internet Rental Vehicles: Mobile DVRs can be installed in cabs and Internet rental vehicles to record passenger behavior and vehicle movement to improve safety and help resolve any disputes. 4. Public Safety: Mobile DVRs can be installed on public safety vehicles such as police cars, fire trucks, ambulances, etc. to record emergencies and vehicle movements to improve response time and safety. 5. School Bus: Mobile DVR can be installed on school buses to record student behavior and vehicle movement to improve safety and help resolve any disputes. 6. Private Vehicles: Mobile DVRs can be installed on private vehicles to record vehicle movements and any accidents or disputes to improve security and help resolve any disputes. In short, mobile DVRs can be used in any situation where there is a need to record vehicle movements and