VIVOTEK

NOTE:

The following diagrams show the frame rate variations using two different recording modes: 1. Continuous recording + Activity adaptive recording (helps save bandwidth and storage)

Bandwidth

 

 

 

 

 

 

 

 

Time

I frame

--->

Full frame rate

--->

I frame

Continuous Recording

2. Event recording

Bandwidth

Time

No recording data ---> Full frame rate ---> No recording data

Event Recording

The Concept of Repeat Frequency

VAST offers the following types of repeat frequency. The definition of each type is listed in the following table:

Repeat Frequency

Discription

Daily Setting

Specify arbitrary time segments within a day,

Repeat the segments every N days in the specified period of time.

 

Weekly Setting (Day-based)

Specify arbitrary time segments within a day,

Apply only on selected days of a week,

(Default Time Frame)

Repeat the segments every N weeks during the specified period of time.

 

Weekly Setting (Periods in a week)

Specify arbitrary time segments within a week,

Repeat the segments every N weeks during the specified period of time.

Monthly Setting (Day-based)

Specify arbitrary time segments within a day,

Apply only on selected days of a month,

Repeat the segments every N months during the specified period of time.

Specify arbitrary time segments within a day,

Yearly Setting (Day-based)

Apply only on selected days of a year,

Repeat the segments every N years during the specified period of time.

User's Manual - 95

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Vivotek ND4801 user manual Concept of Repeat Frequency, Yearly Setting Day-based

ND4801 specifications

The Vivotek ND4801 is a next-generation network video recorder (NVR) designed for robust and efficient surveillance applications. With the rise of IP-based security systems, the ND4801 stands out as an advanced solution tailored for both small and large installations. One of its main features is the capability to support up to 64 channels of high-definition video recording, allowing for comprehensive monitoring across extensive environments.

Powered by Vivotek's cutting-edge technologies, the ND4801 employs H.265 video compression, which significantly reduces bandwidth usage and storage requirements without compromising video quality. This is particularly beneficial for users who need to store vast amounts of footage while maintaining clarity and detail. The recorder can accommodate various resolutions, including 4K Ultra HD, ensuring that even the most intricate details are captured effectively.

Another notable characteristic of the ND4801 is its user-friendly interface, which allows for easy configuration and management of connected cameras. The intuitive web interface provides real-time preview capabilities, playback, and advanced search functionalities, enabling users to efficiently navigate through recorded footage. Moreover, the NVR supports multiple display modes and layouts, facilitating seamless monitoring across multiple screens.

The device’s built-in RAID support further enhances data security, offering options for RAID 0, 1, 5, and 10 configurations. This ensures redundancy and data protection against potential drive failures, making it a reliable choice for mission-critical surveillance tasks. In addition, the ND4801 features PoE (Power over Ethernet) support, simplifying installation by allowing users to power cameras directly through the network cable, thus reducing cable clutter and installation costs.

To enhance surveillance capabilities, the ND4801 integrates sophisticated analytics features such as motion detection and people counting. These intelligent functions help in effectively managing alarms and can reduce false positives, leading to a more accurate monitoring experience. The ND4801 also supports integration with third-party VMS (Video Management Software), allowing for flexibility in system design and functionality.

In summary, the Vivotek ND4801 NVR is a powerful and versatile solution for modern surveillance needs. With its support for high-definition recording, advanced video compression, user-friendly interface, enhanced data security features, and intelligent analytics, the ND4801 is well-equipped to meet the demands of various industries, including retail, transportation, and critical infrastructure. Its robustness and adaptability make it an ideal choice for anyone seeking a reliable video surveillance solution.