Last ten days, we are seeing performance difference in Amazon AVS.
All of sudden ~30% RAR degradation observed in Music and kitchen Noise conditions, especially on negative SNR cases.
Even ~6% RAR degradation seen in clean condition.
Amazon ECHO Dot is our reference device for KPI measurement.
Device / Serial number : G090L90964241CAK & Amazon A/c : firstname.lastname@example.org
Reference Test plan v1.7 setup and test vectors are used, No change is in our test setup & Lab environment except ~1-2dBC difference in ambient noise.