i am using a pc withi7 quad core, 16 Gb RAM,  AMD 4GB graphic card and I have created a character and transfer it to the unreal with the live link and using the NDI broadcasting to broadcast the Realtime live face but after a while usually hour or less the character details diminished and its skin become so smooth with no details and sometimes I get a message that I have an issue with streaming pool with regard to texture and I have nothing to do with the details of the characters imported from iClone.

so any insights about that specially i am using this for online broadcasting

Can you check the amount of memory (VRAM) that is used by the graphics card over time? You can do that with a tool called GPU-Z.

Since you stream for a long period, it could be that the system runs out of VRAM. This is just a suggestion, as I am not familiar with your setup.

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Peter
Forum Administrator

www.reallusion.com

In UE4, hit the Tilda key and enter "r.Streaming.PoolSize 0"

Link to the UE4 docs on texture streaming below:
Texture Streaming Configuration | Unreal Engine Documentation