input: Text: Professor E: Let's see. Test? Test? Yeah. OK. Grad A: Hello? PhD B: Channel one. Grad A: Hello? PhD C: Test. Professor E: I was saying Hynek 'll be here next week, uh, Wednesday through Friday <unk>disfmarker<unk> uh, through Saturday, and, um, I won't be here Thursday and Friday. But my suggestion is that, uh, at least for this meeting, people should go ahead, uh, cuz Hynek will be here, and, you know, we don't have any Czech accent yet, uh, <unk>vocalsound<unk> as far as I know, so <unk>disfmarker<unk> There we go. PhD F: OK. Professor E: Um. So other than reading digits, what's our agenda? PhD F: I don't really have, uh, anything new. Been working on <unk>pause<unk> Meeting Recorder stuff. So. Professor E: OK. Um. Do you think that would be the case for next week also? Or is <unk>disfmarker<unk> is, uh <unk>disfmarker<unk>? What's your projection on <unk>disfmarker<unk>? PhD F: Um. Professor E: Cuz the one thing <unk>disfmarker<unk> the one thing that seems to me we really should try, if you hadn't tried it before, because it hadn't occurred to me <unk>disfmarker<unk> it was sort of an obvious thing <unk>disfmarker<unk> is, um, adjusting the, uh, sca the scaling and, uh, insertion penalty sorta stuff. PhD F: I did play with that, actually, a little bit. Um. What happens is, uh, <unk>vocalsound<unk> when you get to the noisy stuff,
  Question: What did PhD F think about acoustic events?
  Answer:
output: PhD F explained the difference between acoustic features and acoustic events. Acoustic features are what linguists talk about whereas acoustic events are measurable properties of the acoustic signal, like its height.