Hikvision DS‑4008HCI

Product Name: 8‑Channel PCI Video & Audio Compression Capture Card

Product Brief Introduction: Desktop‑computer PCI‑bus hardware encoding acquisition card, completes real‑time hardware compression of 8‑channel analog video and audio signals, used for building PC‑based digital video surveillance recording system.

Category:
Description

Technical Specifications: Video input: 8‑channel BNC interface, 1.0 Vp‑p,75 Ω; audio input: 8‑channel BNC interface; video compression standard: H.264; audio compression standard: OggVorbis; maximum encoding resolution per‑channel: 4CIF; frame rate: PAL 25fps / NTSC 30fps; bus standard: PCI 2.2; operating system: Windows series, Linux; dimension: 201 mm × 109 mm; operating temperature: ‑10 °C ~ +50 °C; working humidity:10 %‑90 % non‑condensing.

Functional Features: Hardware real‑time encoding without occupying CPU encoding resources; 8‑channel simultaneous preview and recording; dual‑stream encoding function; video‑loss detection alarm; independent parameter adjustment for each channel; support SDK secondary development; synchronous video‑audio encoding; support network stream output; compatible with third‑party surveillance software development.

Application Scenarios: PC‑based digital video surveillance system; commercial building security monitoring; factory workshop video recording; traffic monitoring workstation; custom‑developed monitoring host equipment; small‑and‑medium‑size security monitoring project based on industrial‑control computer.

Performance Parameters: Each channel supports bit‑rate range 32 Kbps‑2 Mbps; keep video‑audio time‑stamp synchronization; hardware encoding ensures stable frame‑rate output; support PAL / NTSC two video signal standards; meet continuous‑recording long‑time‑running stability requirements.

Material Composition: PCB substrate: computer‑grade FR‑4 circuit board; main chip: dedicated video‑audio encoding DSP chip; external interface: BNC metal shielding connector; standard PCI gold‑finger; metal fixed baffle; peripheral signal conditioning resistors and capacitors.

Structural Characteristics: Standard PCI full‑height computer‑expansion card structure; rear metal baffle with BNC interface outlets; board‑surface layout DSP chip, signal conditioning circuit and power‑supply circuit; internal pin‑header reserved for signal input; gold‑finger for inserting into computer PCI slot; board‑fixed screw hole position on metal baffle.

Working Principle: Analog video and audio signals input from BNC connector enter signal conditioning circuit; after impedance matching and filtering, send to dedicated hardware‑encoding DSP chip; DSP chip completes H.264 and OggVorbis compression encoding; compressed stream data transmits to computer memory via PCI bus, for storage, preview or network transmission by upper‑layer software.

Installation Requirements: Power‑off desktop computer, insert the card into standard PCI slot and fasten metal‑baffle fixing screw; install supporting driver software and SDK development kit; connect analog camera signal cable to BNC input port; computer hardware configuration meets official‑specified requirements; ensure computer chassis good grounding; complete channel parameter configuration via software after power‑on.

Usage Notes: Do not hot‑plug the card under computer power‑on state; use 75‑ohm impedance‑matched coaxial cable for video signal; avoid power‑supply cable and video cable parallel‑laying to reduce interference; maintain good ventilation inside computer chassis; prohibit working in environment with condensation humidity; update official matching driver version; static‑protection operation shall be done when handling the board‑card.

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