Um , uh , the , uh , the there were two systems that were put forth by a combination of  of , uh , French Telecom and Alcatel. And , um they  they differed in some respects , but they e em one was called the French Telecom Alcatel System the other was called the Alcatel French Telecom System ,  uh , which is the biggest difference , I think. But  but there 're  there 're  there 're some other differences , too. Uh , and  and , uh , they both did very well ,
Uh - huh.
you know ? So ,  um , my impression is they also did very well on  on the  the , uh , evaluation set , but , um , I  I we haven't seen  you 've - you haven't seen any final results for that
And they used  the main thing that  that they used was spectral subtraction ?