Um , anything to  add ?
Um. Well , I 've been continuing reading. I went off on a little tangent this past week , um , looking at , uh ,  uh , modulation s spectrum stuff , um , and  and learning a bit about what  what , um  what it is , and , uh , the importance of it in speech recognition. And I found some   some , uh , neat papers ,  um , historical papers from ,  um ,  Kanedera , Hermansky , and Arai.
Yeah.
And they  they did a lot of experiments where th where ,  um , they take speech  and , um , e they modify  the , uh  they  they  they measure the relative importance of having different , um , portions of the modulation spectrum intact.