But  but
so that is when uh , the  the qualification criteria was reduced from fifty percent to something like twenty - five percent for well - matched. And I think they have  they have actually changed their qualification c criteria now. And uh , Yeah , I guess after that , I just went home f I just had a vacation fo for four weeks. Uh.
OK. No , that 's  that 's  that 's a good  good update.
Ye Yeah , and I  I came back and I started working on uh , some other speech enhancement algorithm. I mean , so  I  from the submission what I found that people have tried spectral subtraction and Wiener filtering. These are the main uh , approaches where people have tried ,