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Authentic Video Evidence

Record and export video clips that cannot be altered without traces, so it can be used as solid evidence in the court or in the insurance claims.

概述

解决方案

网络硬盘录像机(NVR)

矩阵检视图

Comparison

概述

Definition and Purpose

Authentic Video Evidence is a critical capability within a professional Video Management System (VMS) that ensures recorded surveillance footage is legally admissible in court proceedings and insurance claims. Its primary purpose is to establish an unbroken "chain of custody" for digital evidence. This proves beyond a reasonable doubt that the video clip being presented is an exact, unaltered duplicate of what the camera originally captured. Without this proof, opposing counsel or insurance adjusters can easily challenge the credibility of video evidence, claiming it could have been edited, trimmed, or manipulated (e.g., using deepfake technology or simple video editing software) to change the narrative of an event.

The Process

Generating the Digital Signature: The foundation of video authenticity lies in the VMS's ability to generate a "digital signature" at the precise moment of recording. As live video streams from the camera into the VMS server, the system uses a cryptographic algorithm to create a unique, complex hash value based on every frame of the video data and its corresponding timestamp. This digital signature is not a separate file but is embedded into the very fabric of the recorded video file itself. Think of it as a unique, invisible fingerprint that is inseparably linked to the video content. If even a single pixel is altered, or if a frame is removed after the initial recording, the entire mathematical formula breaks, and the signature becomes invalid.

Verification and Export

When an incident occurs and evidence needs to be shared with external parties like police or insurance agencies, an operator exports the relevant clip from the VMS. Crucially, this export is not just a standard video file (like an MP4); it is a secure data package that contains both the original video footage and its embedded digital signature. To view and verify this evidence, the recipient uses a dedicated proprietary player provided by the VMS manufacturer. Upon loading the clip, this player automatically recalculates the hash of the video data and compares it to the embedded signature. If the two match perfectly, the player displays a prominent "Verified" or "Authentic" status, providing indisputable proof of the file's integrity. If they do not match, the player flags the file as "Tampered," immediately alerting the viewer that the evidence is compromised and unreliable.

解决方案

The Authentic Video Evidence can be ensured using ACTi's own cameras and VMS products, such as NVR 3 Corporate.

网络硬盘录像机(NVR)

矩阵检视图

Maximum Recording Channels	Bundled Licenses		Built-in PoE Connectors	塔式独立NVR
Maximum Recording Channels	IP Devices	Analog Devices	Built-in PoE Connectors	4 Bay(s)	6 Bay(s)
100	32	0	0	BNR-300	GNR-350

Maximum Recording Channels	Bundled Licenses		Built-in PoE Connectors	机架式嵌入式NVR
Maximum Recording Channels	IP Devices	Analog Devices	Built-in PoE Connectors	8 Bay(s) (RAID)	12 Bay(s) (RAID)	16 Bay(s) (RAID)
144	64	0	0	INR-406 INR-416
256	64	0	0	INR-407 INR-960	INR-401 INR-417 INR-490	INR-413 INR-418 INR-930

Comparison

型号	BNR-300	GNR-350	INR-401	INR-406	INR-407
产品图片
类型	塔式独立NVR	塔式独立NVR	机架式嵌入式NVR	机架式嵌入式NVR	机架式嵌入式NVR
Max. Channels	100	100	256	144	256
Free License	32 (32 channels for ACTi和 1 channel for third-party video device)	32 (32 channels for ACTi和 1 channel for third-party video device)	64 (64 channels for ACTi和 1 channel for third-party video device)	64 (64 channels for ACTi和 1 channel for third-party video device)	64 (64 channels for ACTi和 1 channel for third-party video device)
Rack Space	-	-	2U	2U	2U
Storage Bay(s)	4 Storage Bay(s)	6 Storage Bay(s)	12 Storage Bay(s)	8 Storage Bay(s)	8 Storage Bay(s)
Hot Swappable Drive	-	-	是	-	是
RAID	Software RAID 0, 1, 5, 10	Software RAID 0, 1, 5, 10	Hardware RAID (Add-on Card) 0, 1, 5, 6, 10, 50, 60	Hardware RAID (Add-on Card) 0, 1, 5, 6, 10, 50, 60	Hardware RAID (Add-on Card) 0, 1, 5, 6, 10, 50, 60
Redundant Power Supply	-	-	是, 550W x 2	-	-
Processor	Intel Pentium Gold G7400	Intel Core i3-14100	Intel Core i7-6700	Intel Core i7-7700	Intel Core i7-8700
RAM	16GB, DDR4, 3200MT/s	16GB, DDR5, 4800MT/s	-	16GB, DDR4, 2400MT/s	16GB, DDR4, 2400MT/s
Server Operating System	Windows 11 IoT Enterprise Value	Windows 11 IoT Enterprise Value	Windows 10 IoT	Windows 10 IoT	Windows 11 IOT Enterprise LTSC
Smart Search	是	是	是	是	是
Metadata Search	是	是	是	是	是
Object Visual Tracking	是	是	是	是	是
Cyber Security	-	-	-	-	TAICS, CNS-16120
符合NDAA	是	是	是	是	是

型号	INR-413	INR-416	INR-417	INR-418	INR-490
产品图片
类型	机架式嵌入式NVR	机架式嵌入式NVR	机架式嵌入式NVR	机架式嵌入式NVR	机架式嵌入式NVR
Max. Channels	256	144	256	256	256
Free License	64 (64 channels for ACTi和 1 channel for third-party video device)	64 (64 channels for ACTi和 1 channel for third-party video device)	64 (64 channels for ACTi和 1 channel for third-party video device)	64 (64 channels for ACTi和 1 channel for third-party video device)	64 (64 channels for ACTi和 1 channel for third-party video device)
Rack Space	3U	2U	2U	3U	2U
Storage Bay(s)	16 Storage Bay(s)	8 Storage Bay(s)	12 Storage Bay(s)	16 Storage Bay(s)	12 Storage Bay(s)
Hot Swappable Drive	是	是	是	是	是
RAID	Hardware RAID (Add-on Card) 0, 1, 5, 6, 10, 50, 60	Hardware RAID (Add-on Card) 0, 1, 5, 6, 10, 50, 60	Hardware RAID (Add-on Card) 0, 1, 5, 6, 10, 50, 60	Hardware RAID (Add-on Card) 0, 1, 5, 6, 10, 50, 60	Hardware RAID (Add-on Card) 0, 1, 5, 6, 10, 50, 60
Redundant Power Supply	是	-	-	是	是
Processor	Intel Core i7-7700	Intel Core i7-8700	Intel Core i7-8700	Intel Core i7-8700	Intel Xeon Silver 4309Y
RAM	16GB, DDR4, 2400MT/s	16GB, DDR4, 2400MT/s	16GB, DDR4, 2400MT/s	16GB, DDR4, 2400MT/s	16GB, DDR4, 3200MT/s
Server Operating System	Windows 10 IoT	Windows 11	Windows 11 IOT Enterprise LTSC	Windows 11	Windows Server 2022
Smart Search	是	是	是	是	是
Metadata Search	是	是	是	是	是
Object Visual Tracking	是	是	是	是	是
Cyber Security	-	CNS-16120	CNS-16120	CNS-16120	-
符合NDAA	是	是	是	是	是

型号	INR-930	INR-960	NVR 3 Business	NVR 3 Corporate
产品图片
类型	机架式嵌入式NVR	机架式嵌入式NVR	-	-
Max. Channels	256	256	100	200
Free License	64 (64 channels for ACTi和 1 channel for third-party video device)	64 (64 channels for ACTi和 1 channel for third-party video device)	32 (32 channels for ACTi和 1 channel for third-party video device)	1 (1 channels for ACTi和 1 channel for third-party video device)
Rack Space	2U	2U	-	-
Storage Bay(s)	16 Storage Bay(s)	8 Storage Bay(s)	-	-
Hot Swappable Drive	是	是	-	-
RAID	Hardware RAID (Add-on Card) 0, 1, 5, 6, 10, 50, 60	Hardware RAID (Add-on Card) 0, 1, 5, 10, 50	-	-
Redundant Power Supply	-	是, 550W x 2	-	-
Processor	Intel Core i7-7700	Intel Xeon E-2324G	-	-
RAM	16GB, DDR4, 2400MT/s	16GB, DDR4	-	-
Server Operating System	Windows 11	Windows 11 loT Ent MultiLang ESD OLC High End	Windows 7 SP1, Windows 8.1, Windows 10, Windows 11, Windows Server 2008 R2 SP1, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019	Windows 7 SP1, Windows 8.1, Windows 10, Windows 11, Windows Server 2008 R2 SP1, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
Smart Search	是	是	是	是
Metadata Search	是	是	是	是
Object Visual Tracking	是	是	是	是
符合NDAA	是	是	-	-