Pre - processing.
Well I think that  that was just sort of  I I already asked Thilo
Oh , you already did that.
but that , um , it would be helpful if I can stay in the loop somehow with , um , people who are doing any kind of post - processing , whether it 's to separate speakers or to improve the signal - to - noise ratio , or both , um , that we can sort of try out as we 're running recognition. Um , so , i is that  Who else is work I guess Dan Ellis and you