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NDI Dropping Frames - A solution?

General discussion about anything TouchDesigner

NDI Dropping Frames - A solution?

Postby jarrett » Sun Mar 03, 2019 11:46 pm

We have been testing NDI here on a Cisco SG300-10 switch. We originally purchased this switch due to a recommendation by Yamaha for use with Dante Audio.

Our test case resolution was 9696 x 1920 resolution. We could only get smooth playback at about half that resolution. At the required resolution we were getting very bad frame dropping. By setting our NIC to use Jumbo Packets at the largest setting - 9014 Bytes the frame drops have completely disappeared.

Be advised not all switches will support Jumbo Frames. We suggest a managed switch for both Dante and NDI.

Wiki has been updated with info -

https://docs.derivative.ca/NDI

Special thanks to Takanori Aoki of Tokyo Broadcasting System for this suggestion.
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Re: NDI Dropping Frames - A solution?

Postby dylanroscover » Tue Jun 04, 2019 1:07 am

Good to know, thanks for sharing Jarrett. I was seeing dropped frames for the last NYE show w/ Touch -> d3, probably due to lack of jumbo packets as well. Definitely using my SG300 next time, cheers.
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