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Skip Navigation LinksConexant > Products > Video > Video Decoders > CX23885 - PCI Express Broadcast Audio/Video Decoder


PCI Express Broadcast Audio/Video Decoder



The CX23885 device brings Conexant's long heritage of audio and video capture solutions to systems that enable PCI Express bus architectures. The device integrates all the functions required to perform television and external A/V capture on personal computers or consumer electronic devices.

The integrated worldwide video decoder and audio decoder can be used for a high-performance, cost-effective, basic analog television capture, or can be used as the base for more complex multiple tuner configurations. The device can support capture of two simultaneous digital television transport streams or a combination of analog and digital capture. In addition, any of these configurations may be used in conjunction with our CX23417 hardware MPEG encoder.


Analog PCTV
Digital PCTV (interfacing to digital demodulator chip via TS port)
Video capture for PVRs/DVRs


  • Worldwide Audio and Video Decoding
  • PCI Express 1.0a/1.1 compliant
  • Flexible video input Mux supporting composite, S-Video, and component inputs
  • Audio sample rate converters on all inputs and outputs


  • Two MPEG Transport or Program Stream Ports: Serial or Parallel Interfaces
  • Two I2C master interfaces
  • ITU-R BT.656 Input and Output interface
  • I2S Input and Output interface



 Technical Documents

Product BriefPBR-CX23885-005.pdfPBR-CX23885-005PCI Express Broadcast Audio/Video Decoder
11/25/2012 7:48 PM

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