| 摘要 |
PURPOSE: A digital video recording system using PCI Express interface is provided to secure convenience and expandability of use by implementing a DVR system as an external type based on the PCI Express interface. CONSTITUTION: A host device(100) is connected to an external recording device(200) through an external cable. The external recording device processes Peripheral Component Interconnect(PCI) Express signals which is transceived with the host device, and executes communication. The host device includes a first interface unit which processes the PCI Express signals. The first interface unit comprises a noise removing module, a signal amplification module, and a deformation correction module.
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