Cambridge Pixel

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SPx NPR is a software network packet recorder for Linux and Windows that captures, records and replays multiple UDP or TCP data streams


  • Records multiple channels of UDP (unicast and multicast) or TCP data
  • Captures timing information and uses this for real-time replay
  • Ideal for recording sensor data streams (radar, video, sonar etc) or other network traffic
  • Available as command-line utility for Windows and Linux (for x86), or developer's API
  • Supports 1, 2, 4 or 8 independent channels
  • On replay data can be re-routed to different IP addresses or ports
  • Does not interpret data packet, so ideal for any procotol or data content
  • Cost effective utility version or library for embdedding into recording applications
  • Optional compression of stored data packets

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