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I think you are. Aren't you ?
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They both want their cut.
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Hmm.
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Hmm. Yeah.
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Right ?
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Yeah. Yeah. Huh. Canada w Canada wants a cut ?
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Mm - hmm.
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Have to do So you you have to do two returns ?
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Mmm. W uh , for two thousand I did. Yeah.
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Oh , oh. Yeah. For tw That 's right , ju
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But not for this next year ?
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Two thousand. Yeah. Probably not this next year , I guess.
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Ye
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Yeah.
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Um.
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Yeah.
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Uh , I 'll I 'll still have a bit of Canadian income but it 'll be less complicated because I will not be a considered a resident of Canada anymore , so I won't have to declare my American income on my Canadian return.
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OK. Alright. Uh. Barry , do you wanna say something about your stuff here ?
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Oh , um. Right. I just , um , continuing looking at , uh , ph uh , phonetic events , and , uh , this Tuesday gonna be , uh , meeting with John Ohala with Chuck to talk some more about these , uh , ph um , phonetic events. Um , came up with , uh , a plan of attack , uh , gonna execute , and um Yeah. It 's that 's pretty much it.
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Oh , well. No Um , why don't you say something about what it is ?
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Oh , you oh , you want you want details. Hmm. OK.
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Well , we 're all gathered here together. I thought we 'd , you know
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I was hoping I could wave my hands. Um. So , um. So , once wa I I was thinking getting getting us a set of acoustic events to um , to be able to distinguish between , uh , phones and words and stuff. And um , once we we would figure out a set of these events that can be , you know , um , hand - labeled or or derived , uh , from h the hand - labeled phone targets. Um , we could take these events and , um , do some cheating experiments , um , where we feed , um , these events into an SRI system , um , eh , and evaluate its performance on a Switchboard task. Uh , yeah.
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Hey , Barry ? Can you give an example of an event ?
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Yeah. Sure. Um , I I can give you an example of twenty - odd events. Um So , he In this paper , um , it 's talking about phoneme recognition using acoustic events. So , things like frication or , uh , nasality.
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Whose paper is it ?
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Um , this is a paper by Hubener and Cardson Benson Bernds - Berndsen.
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Yeah. Huh. From , uh , University of Hamburg and Bielefeld.
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Mm - hmm.
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OK.
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Um.
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Yeah. I think the just to expand a little bit on the idea of acoustic event.
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Mm - hmm.
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There 's , um in my mind , anyways , there 's a difference between , um , acoustic features and acoustic events. And I think of acoustic features as being , um , things that linguists talk about , like , um
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So , stuff that 's not based on data.
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Stuff that 's not based on data , necessarily.
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Yeah. Oh , OK. Yeah. Yeah , OK.
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Right. That 's not based on , you know , acoustic data. So they talk about features for phones , like , uh , its height ,
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Yeah.
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its tenseness , laxness , things like that ,
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Mm - hmm.
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which may or may not be all that easy to measure in the acoustic signal. Versus an acoustic event , which is just some something in the acoustic signal that is fairly easy to measure. Um. So it 's , um it 's a little different , in at least in my mind.
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I mean , when we did the SPAM work I mean , there we had we had this notion of an , uh , auditory @ @ auditory event.
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Good. That 's great.
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And , uh , um , called them " avents " , uh , uh , uh , with an A at the front.
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Mm - hmm.
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Uh. And the the the idea was something that occurred that is important to a bunch of neurons somewhere. So.
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Mm - hmm.
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Um. A sudden change or a relatively rapid change in some spectral characteristic will will do sort of this. I mean , there 's certainly a bunch of a bunch of places where you know that neurons are gonna fire because something novel has happened. That was that was the main thing that we were focusing on there. But there 's certainly other things beyond what we talked about there that aren't just sort of rapid changes , but
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It 's kinda like the difference between top - down and bottom - up.
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Yeah.
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I think of the acoustic you know , phonetic features as being top - down. You know , you look at the phone and you say this phone is supposed to be you know , have this feature , this feature , and this feature. Whether tha those features show up in the acoustic signal is sort of irrelevant. Whereas , an acoustic event goes the other way. Here 's the signal. Here 's some event.
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Mm - hmm.
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What ? And then that you know , that may map to this phone sometimes , and sometimes it may not. It just depen maybe depends on the context , things like that.
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Mm - hmm.
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And so it 's sort of a different way of looking.
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Mm - hmm.
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Yeah. So. Yeah.
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OK.
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Mm - hmm. Um Using these these events , um , you know , we can we can perform these these , uh , cheating experiments. See how how how good they are , um , in , um in terms of phoneme recognition or word recognition. And , um and then from that point on , I would , uh , s design robust event detectors , um , in a similar , um , wa spirit that Saul has done w uh , with his graphical models , and this this probabilistic AND - OR model that he uses. Um , eh , try to extend it to , um to account for other other phenomena like , um , CMR co - modulation release. And , um and maybe also investigate ways to to modify the structure of these models , um , in a data - driven way , uh , similar to the way that , uh , Jeff Jeff , uh , Bilmes did his work. Um , and while I 'm I 'm doing these , um , event detectors , you know , I can ma mea measure my progress by comparing , um , the error rates in clean and noisy conditions to something like , uh , neural nets. Um , and So so , once we have these these , uh , event detectors , um , we could put them together and and feed the outputs of the event detectors into into the SRI , um , HMM HMM system , and , um and test it on on Switchboard or , um , maybe even Aurora stuff. And , that 's pretty much the the big picture of of um , the plan.
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By the way , um , there 's , uh , a couple people who are gonna be here I forget if I already told you this , but , a couple people who are gonna be here for six months.
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Mm - hmm.
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Uh uh , there 's a Professor Kollmeier , uh , from Germany who 's , uh , uh , quite big in the , uh , hearing - aid signal - processing area and , um , Michael Kleinschmidt , who 's worked with him , who also looks at auditory properties inspired by various , uh , brain function things.
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Hmm.
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So , um , um , I think they 'll be interesting to talk to , in this sort of issue as these detectors are are , uh , developing.
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Hmm. OK.
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So , he looks at interesting interesting things in in the different ways of looking at spectra in order to to get various speech properties out. So.
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OK.
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OK. Well , short meeting , but that 's OK. And , uh , we might as well do our digits. And like I say , I I encourage you to go ahead and meet , uh , next week with , uh , uh , Hynek. Alright , I 'll I 'll start. It 's , uh , one thirty - five. seventeen OK
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Right first time this time. Nu There we go. It's not that complicated , but I get it wrong every time.
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Okay so we are just waiting for Matthew .
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For Matthew , yep.
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Mm. Uh So I suggest we start the meeting uh without Matthew uh
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Mm-hmm.
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Mm 'kay.
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he's uh obviously late for some reason. Good. Um. Today uh we will uh talk about uh conceptual design. I hope uh you both did some uh some work uh concerning a uh conceptual design.
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Mm-hmm.
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Um this will be the uh agenda for the meeting uh . Uh I will take some minutes uh again.
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Mm-hmm.
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Um we will have the presentations of y of you different team members ,
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Yep.
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Yep.
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and then try to come to decisions uh about the concepts uh you have presented. So and that uh will uh
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Mm-hmm.
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we have some uh forty minutes uh to complete this uh.
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Mm-hmm.
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So um who has the fir do you ha Anna do you have your presentation ready ?
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I have a presentation , I'm just making this
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Yeah I think yeah the Matthew it is it's important that Matthew yeah is here
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Okay. Ah
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because it's really a a team uh project with a team
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there is Matthew.
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and if someone is not here then we cannot
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Sorry.
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but it's okay it's good.
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Okay I'll just email you this file , my presentation.
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So. Good. Do presentation ready ?
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Mm-hmm I'm just emailing it to you.
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Oh okay.
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So
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