Yeah.
Right. OK.
But  Mmm. Yeah. So I did  I just  started to test  putting together two VAD which was  was not much work actually. Um , I im re - implemented a VAD that 's very close to the ,  um , energy - based VAD  that , uh , the other Aurora guys use. Um. So , which is just putting a threshold on  the noise energy ,
Mm - hmm.