PROFESSIONAL USB VIDEO CAPTURE
Dual-Channel AHD/CVBS PCIe Video Capture Card
A dual-channel internal capture solution for analog HD surveillance, machine vision, video analytics, and OEM integration. Two BNC inputs support AHD-HD, AHD-FHD, and CVBS signals, with simultaneous dual-channel AHD capture up to 1080p30. The PCIe 2.0 x1 interface provides stable board-level transfer. YUY2 output, DirectShow, DirectKS, and V4L2 are supported, together with duplicated streams, multi-application access, and multi-card expansion.
2 × AHD/CVBS InputsDual 1080p30PCIe 2.0 x1YUY2Multi-Stream / Multi-AppWindows / Linux
KEY ADVANTAGES
Bring dual AHD/CVBS feeds into a professional PCIe workflow
Simultaneous Dual CaptureTwo BNC inputs accept AHD or CVBS feeds, with dual-channel AHD capture up to 1080p30.
AHD and CVBS CompatibilitySupports AHD-HD, AHD-FHD, and AHD-CVBS for both HD analog cameras and legacy SD sources.
PCIe 2.0 x1 TransferThe internal PCIe connection provides a stable data path for long-running monitoring, analytics, and integration systems.
Multi-Stream and Multi-AppEach input can provide duplicated capture streams, allowing multiple applications to access video concurrently.
Multi-Card ExpansionMultiple cards can operate in one system, with an onboard selector providing four card IDs for device management.
Cross-Platform APIsSupports DirectShow and DirectKS on Windows, V4L2 on Linux, and secondary development.
DUAL-CHANNEL ANALOG HD CAPTURE
Compact dual-channel AHD/CVBS PCIe card
2 × BNC inputs · PCIe 2.0 x1 · No audio / no loop-through
A full-height bracket and compact PCIe board suit desktop PCs, industrial computers, and OEM equipment. Dual BNC inputs consolidate analog HD camera feeds, while onboard processing handles format detection, scaling, aspect-ratio conversion, and frame-rate conversion.
2 × AHD/CVBS inputs; dual AHD capture up to 1080p30
AHD-HD, AHD-FHD, and AHD-CVBS
YUY2 output with duplicated streams and multi-app access
No audio capture and no video loop-through
INTERNAL CAPTURE VALUE
Dual-channel ingest, coax compatibility, and PCIe scalability
AHD carries high-definition analog video over coax, while CVBS compatibility accommodates legacy sources. The internal PCIe architecture brings both feeds into host software for multi-view monitoring, recording, streaming, algorithmic analysis, and centralized management.
Upgrade Existing Coax SystemsConnect AHD or CVBS cameras to Windows or Linux hosts for software-based recording, management, and analytics.
Stable Internal BusThe PCIe connection supports dependable transfer for multi-channel video workstations and continuous operation.
Integration and ExpansionCard IDs, multi-application access, and standard APIs support industrial, security, and OEM deployments.
CAPTURE WORKFLOW
From two analog cameras to application software
01 · INSTALLInstall the PCIe cardInsert the board into an available PCIe slot and secure the metal bracket.
02 · SOURCESConnect two coax feedsAttach AHD or CVBS cameras to the corresponding BNC inputs.
03 · DRIVERInstall the matching driverInstall the driver for the specific product and operating system, then confirm the device IDs.
04 · SOFTWAREPreview, record, or analyzeSelect the devices in OBS, VLC, vMix, or a custom DirectShow/V4L2 application.
CORE SPECIFICATIONS
Technical specifications
| Product Type | Dual-Channel AHD/CVBS PCIe Video Capture Card |
| Host Interface | PCIe 2.0 x1, 5 Gb/s link rate |
| Video Inputs | 2 × BNC AHD/CVBS inputs |
| Input Formats | AHD-HD, AHD-FHD, AHD-CVBS |
| Audio Capture | Not supported |
| Video Loop-Through | Not provided |
| Input Resolution | Dual-channel AHD up to 1080p30 and below |
| Capture Capability | Dual-channel AHD up to 1080p30 |
| Output Color Space | YUY2 |
| Windows APIs | DirectShow, DirectKS |
| Linux API | V4L2; x86, x64, ARM, and Loongson architectures |
| Operating Systems | Windows 7 / 8 / 8.1 / 10 / 11 / Server 2008 / 2008 R2 / 2012; Linux |
| Video Processing | Automatic format detection, scaling, aspect-ratio conversion, and frame-rate conversion |
| Multi-Stream / Multi-App | Duplicated capture streams; multiple applications may access either video input |
| Multi-Card Expansion | Multiple cards per system; onboard selector provides four card IDs |
| Software Compatibility | VLC, VirtualDub, OBS, XSplit, vMix, VidBlaster, Wirecast, and others |
| Development Support | DirectShow- or V4L2-based encoding and streaming applications; secondary development |
| Dimensions | 97 × 57 mm |
| Power Consumption | ≤ 5 W; no external power supply required |
| Operating / Storage Environment | Operating: 0–70°C; storage: -20–80°C; storage humidity: 5%–90% |
APPLICATIONS
Dual-channel analog video capture and integration
AHD Surveillance UpgradesCVBS DigitizationDual-View RecordingMachine VisionTraffic and SecurityVideo AnalyticsMulti-Card WorkstationsOEM / ODM Integration
Specification note: The product supports AHD-HD, AHD-FHD, and AHD-CVBS, with dual-channel AHD input and capture up to 1080p30. Audio capture and video loop-through are not provided. A driver matching the product and operating system is required. AHD/CVBS compatibility, concurrent application access, and multi-card performance depend on sources, host configuration, drivers, and software.
