periodic loss/disappearance of audio at the sdi output

Hello! in work we use HP Workstation z4 g5 + BMD:
- DeckLink 4k Extreme
- DeckLink Quad
- DeckLink Quad2
- DeckLink Duo
driver version - 12.8.1
we fix audio loss on SDIoutput. Because of this, there are problems on the air
- DeckLink 4k Extreme
- DeckLink Quad
- DeckLink Quad2
- DeckLink Duo
driver version - 12.8.1
we fix audio loss on SDIoutput. Because of this, there are problems on the air