Hikvision eDVRs maximize storage efficiency and predictability
Hikvision eDVRs maximize storage efficiency and predictability

Recording high-quality video continuously for long periods of time has always been a challenge for the security industry. Hikvision’s new range of eDVRs uses Scene Adaptive Bitrate Control technology to maximize storage efficiency and capture incidents in crystal-clear detail. Video has traditionally been a storage-intensive medium. Conventional security video applications record video at a constant bitrate even at night or when nothing much is happening. That means that a lot of storage is wasted, without delivering much value for customers. Two attempts at making video storage more effective The security industry has come up with various technologies and approaches to try to make video storage as efficient as possible. These include:  •    Variable bitrate technology This looks at the scene and changes the bitrate according to the complexity – and the activity level. The plus point here is that the bitrate increases, and the image quality improves, when there’s actually something happening. The bad news is that storage requirements are totally unpredictable, giving operators no indication of how long footage will be stored before it is eliminated and ‘overwritten’.  •    Smart coding with a constant bitrate  This uses low, but constant, image compression to increase predictability of storage and to maximise storage efficiency. However, the bitrate is always the same, and the quality may not be good enough to take effective action in the event of an incident.  Overcoming the challenges with Hikvision Instead of these legacy storage approaches, Hikvision is using an innovative technology called Scene Adaptive Bitrate Control to boost storage efficiency. This technology is embedded in all of Hikvision’s new eDVRs, which use eSDD storage instead of HDD drives. To make storage as efficient as possible, the Hikvision eDVRs use variable bitrates – with more storage allocated temporarily for complex scenes. When there is nothing going on in the camera view, the bitrate is reduced dramatically, saving storage resources and extending the continuous recording time of the device.  To ensure that the storage time is as predictable as possible, the eDVRs look at bitrate trends over the previous hours and days and allocates storage resources accordingly, in a properly measured way. This means that the device uses a variable bitrate in the short term, depending on the changing security scene, but a fixed code rate is used over the longer term to ensure video images are stored for the required timeframe before they are overwritten (typically for at least 2 weeks of continual recording).  Furthermore, thanks to its exceptional storage efficiency, a 1TB eDVR can provide up to 8 weeks of storage, easily meeting customers’ storage requirements. A 1TB 4 channel model (iDS-E04HQHI-D) can store up to 4 weeks of continuously recorded footage by all channels in 1080P, while a DS-E04HGHI-E model supports up to 8 weeks of continuous recording in 1080p lite (960x1080 resolution). As an additional benefit, the Hikvision eDVRs offer highly stable image compression with good quality for security applications, ensuring that all incidents are captured in crystal clear detail.  Real-world test results from an industrial park installation To showcase the storage efficiency of our eDVRs, we conducted a live test at an industrial park with a 2MP eDVR model (DS-E04HQHI-B). The eDVR received four video feeds, each with a resolution of 1080 pixels and a frame rate of 15 per second. During the test, we recorded complex scenes of our manufacturing facilities, including roadways, interior areas, entrance, and exit points. The recording bitrate automatically adjusted throughout the day and night based on the traffic and level of activity in all the covered zones. In spite of the variable bitrate, the Hikvision eDVR was able to allocate its 439 GB of total available storage in a very stable way. In the test, the device was able to store over 13 days of continuous recording, using around 33.7 GB. The storage utilization of the eDVR was highly stable and totally predictable, despite the varying bitrate during peak times at the manufacturing facilities.

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Hikvision introduces revolutionary DS-9016HFI-S Intelligent Hybrid DVR
Hikvision introduces revolutionary DS-9016HFI-S Intelligent Hybrid DVR

HIKVISION DS-9016HFI-S Intelligent Hybrid DVR supports H.264 video codec, offering real-time viewing and playback with the resolution up to 1280X720, as well as 1280X1024 resolution in VGA displays. The unique feature of the product is its intelligent video analytics and seamless joint of analogue and IP solution.Besides, DS-9016HFI-S supports self-diagnosis, reporting and processing once malfunctions occur. The user-friendly GUI of DS-9016HFI-S comes with Windows-style interface and an aesthetic, efficient operating panel.Key Features:Support IP camera with resolution up to HD 720p (1280X720), as well as support analogue cameras and IP cameras simultaneously in two ways: sixteen analogue cameras plus eight 4CIF IP cameras, and sixteen analogue cameras plus four mega pixel IP cameras.High resolution VGA displays (1280X1024).Support Digital Zoom in preview and playback mode.Mouse control PTZ movement.Support maximum Hard Disk Drives capacity (more than 2 TB).                                                           Recorded file can be locked in order to prevent the data from being overwritten. Locked file can also be unlocked.HDD can flexibly be set in redundant mode, read-only mode, or read and write mode.Easy to manage backup device by formatting, creating folder, and playing recorded files in backup device.Support remote downloading with resuming capability.Manage and configure IP camera (ex. compression parameters, motion detection, and sensor alarm) locally on DS-9016HFI-S Intelligent Hybrid DVR. 

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Dahua DH-XVR5104HS-4KL-I3 4CH Penta-brid 4K-N/5MP Compact 1U 1HDD WizSense DVR
Dahua DH-XVR5104HS-4KL-I3 4CH Penta-brid 4K-N/5MP Compact 1U 1HDD WizSense DVR

Launched by Dahua Technology, WizSense is a series of AI products and solutions that adopt independent AI chip and deep learning algorithm. It focuses on human and vehicle with high accuracy, enabling users to fast act on defined targets. Based on Dahua's advanced technologies, WizSense provides intelligent, simple and inclusive products and solutions. Series Overview Dahua Technology, a world-leading video-centric smart IoT solution and service provider, debuted its new XVR series, XVR5000-4KL-I3 Series featuring max.full-channel SMD Plus to benefit customers from AI upgrade. This series has been developed to reduce false-alarm rates and the cost of human surveillance, thus bringing great value to customers in search of products with accurate human/vehicle alarm to raise the security level of various indoor and outdoor facilities. Functions Face RecognitionDahua Face Recognition technology extracts the features of captured faces and compares them with that in face database.  *Face Recognition conflicts with SMD Plus and Perimeter Protection. Perimeter ProtectionAutomatically filters out false alarms caused by animals, rustling leaves, bright lights, etc. Enables system to act secondary recognition for the targets. Improves alarm accuracy. SMD PlusWith intelligent algorithm, Dahua Smart Motion Detection technology can categorize the targets that trigger motion detection and filter the motion detection alarm triggered by non-concerned targets to realize effective and accurate alarm. Scheduled AIThis technology allows multiple AI functions to be set for one channel based on time frames, eliminating the need to manually configure the system to switch between functions each time. Scheduled AI greatly increases efficiency and widens the number of scenarios that the device can be used in. Smart Dual IlluminatorsWith Smart Dual Illuminators technology, you can select Smart Illumination Mode for the system to automatically switch between IR mode and white light mode. It allows white light to be turned on when a target is detected by the SMD Plus/Perimeter Protection function of AI-enabled XVR. This significantly reduces light pollution at night. Together with other modes, including IR Mode and White Light Mode, the smart dual illumination  technology can meet the requirements of a wide variety of scenes. One-click Arming/DisarmingWith just one click, you can enable or disable alarm linkages to show messages, send emails, output audio alarms and more, through the mobile app and platform. Customizable Alarm AudioDesigned for your convenience, the TiOC alarm can be customized to meet your needs. It is flexible, allowing you to directly upload your customized audio through the mobile app and XVR. AI CodingCompared with H.265/H.264, AI coding can reduce more than 50% bit rate and storage requirements without loss of decoding compatibility, providing clear human and vehicle details. Audio over CoaxThe integrated design can reduce wiring troubles which makes it much more cost-effective and convenient for installation.

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