Mmm.
Um , are we going to look at  multi - band ? Are we gonna look at combinations of things ? Uh , what questions are we gonna ask , uh now that , I mean ,  we should probably turn shortly to this O G I note. Um , how are we going to  combine  with what they 've been focusing on ? Uh ,  Uh we haven't been doing any of the L D A RASTA sort of thing.
Mm - hmm.
And they , although they don't talk about it in this note , um ,  there 's um ,  the issue of the  um Mu law  business  uh  versus the logarithm , um ,  so.