So. You  you did some things. They didn't improve things in a way that convinced you you 'd substantially improved anything.
Yeah.
But they 're not making things worse and we have reduced latency , right ?
Yeah. But actually  um actually it seems to do a little bit worse for the well - matched case and we just noticed that  Yeah , actually the way the final score is computed is quite funny. It 's not a mean of word error rate. It 's not a weighted mean of word error rate , it 's a weighted mean of improvements.