FAD in Tango and Tango 2

Hi
Thanks for the great work! 
I'm trying to reproduce the results in the paper. I have few questions with regard to FAD table.

1.The FAD number reported in Tango and Tango-2 seems to be on different scales. Why is this the case? (i.e. Tango-2 number are higher )
2. the FAD in Tango-2 paper on AudioCaps seems very different from the ones reported in AudioLDM2 paper.
Why is this the case?

