P2P

• MartyG

  • July 19, 2019 11:39

  When you say P2P, do you mean Peer To Peer please?  Can you give us more details about what you would like to do with a sync setup.  Thanks!

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• Robert Rylander

  • July 19, 2019 11:42

  Hi

  Sry for beeing unclear, P2P or PTP for Time Sync https://en.wikipedia.org/wiki/Precision_Time_Protocol

  All the best

  Robert

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• MartyG

  • July 19, 2019 12:16

  Thanks so much for the information.  I don't know of support for Precision Time Protocol specifically in RealSense's sync system.  It can though trigger sync either with a signal sent through a sync cable, or with a wireless pulse created by a signal generator. 

  The wireless method is more difficult than using a cable, as you have to set the frequency of the signal to very precisely match the current frames per second (FPS) speed of the cameras.  For example, if the cameras were running at 30 FPS, their actual speed value might be 30.015 FPS.  Intel's multiple camera sync white-paper document recommends using an oscilloscope to measure the real frame rate and then setting the signal generator to the same value.

  The multiple camera white paper can be found here:

  https://www.intel.co.uk/content/www/uk/en/support/articles/000028140/emerging-technologies/intel-realsense-technology.html 

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• Robert Rylander

  • July 19, 2019 14:19

  Hi

  Thanks for the reply.

  Cheers

  Robert

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