Yeah. Mm - hmm. Yeah.
And , uh , people were doing recurrent nets but not looking at IIR filters , and  You know , I mean , uh , so I think , yeah , it 's definitely a good idea to try it.
Yeah , and everybody 's putting that on their  systems now , and so , I that 's what made me wonder about this ,
Well , they 've been putting them in their systems off and on for ten years ,