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false | So , yeah. | QMSum_120 |
false | Mm - hmm. | QMSum_120 |
false | Oh. Oh , so this i is this the difference here , for that ? | QMSum_120 |
false | No. This is the signal. This is the signal. | QMSum_120 |
false | I see that. Oh , yeah. | QMSum_120 |
false | The frame. | QMSum_120 |
false | Oh , that 's the f the original. | QMSum_120 |
false | Yeah. | QMSum_120 |
false | This is the fra the original frame. | QMSum_120 |
false | So with a short frame basically you have only two periods | QMSum_120 |
false | Yeah. | QMSum_120 |
false | and it 's not not enough to to have this kind of neat things. | QMSum_120 |
false | Mm - hmm. | QMSum_120 |
false | Mm - hmm. | QMSum_120 |
false | Yeah. | QMSum_120 |
false | But | QMSum_120 |
false | And here No , well. | QMSum_120 |
false | Yeah. So probably we 'll have to use , like , long f long frames. Mm - hmm. | QMSum_120 |
false | Mm - hmm. | QMSum_120 |
false | Hmm. | QMSum_120 |
false | Oh. | QMSum_120 |
false | Mmm. | QMSum_120 |
false | That 's interesting. | QMSum_120 |
false | Yeah , maybe. Well , I mean it looks better , but , I mean , the thing is if if , uh if you 're actually asking you know , if you actually j uh , need to do place along an FFT , it may be it may be pushing things. | QMSum_120 |
false | Yeah. | QMSum_120 |
false | And and , uh | QMSum_120 |
false | Would you would you wanna do this kind of , uh , difference thing after you do spectral subtraction ? | QMSum_120 |
false | Uh , maybe. | QMSum_120 |
false | No. Maybe we can do that. | QMSum_120 |
false | Mmm. | QMSum_120 |
false | Hmm. The spectral subtraction is being done at what level ? Is it being done at the level of FFT bins or at the level of , uh , mel spectrum or something ? | QMSum_120 |
false | Um , I guess it depends. | QMSum_120 |
false | I mean , how are they doing it ? | QMSum_120 |
false | How they 're doing it ? Yeah. Um , I guess Ericsson is on the , um , filter bank , | QMSum_120 |
false | FFT. Filter bank , | QMSum_120 |
false | no ? It 's on the filter bank , | QMSum_120 |
false | yeah. | QMSum_120 |
false | so. So , yeah , probably I i it Yeah. | QMSum_120 |
false | So in that case , it might not make much difference at all. | QMSum_120 |
false | Seems like you 'd wanna do it on the FFT bins. | QMSum_120 |
false | Maybe. I mean , certainly it 'd be better. | QMSum_120 |
false | I I mean , if you were gonna uh , for for this purpose , that is. | QMSum_120 |
false | Mm - hmm. | QMSum_120 |
false | Yeah. | QMSum_120 |
false | Mm - hmm. | QMSum_120 |
false | Yeah. OK. | QMSum_120 |
false | Mmm. | QMSum_120 |
false | What else ? | QMSum_120 |
false | Uh. Yeah , that 's all. So we 'll perhaps try to convince OGI people to use the new the new filters and Yeah. | QMSum_120 |
false | OK. Uh , has has anything happened yet on this business of having some sort of standard , uh , source , | QMSum_120 |
false | Uh , not yet | QMSum_120 |
false | or ? | QMSum_120 |
false | but I wi I will call them and | QMSum_120 |
false | OK. | QMSum_120 |
false | now they are I think they have more time because they have this well , Eurospeech deadline is over | QMSum_120 |
true | When is the next , um , Aurora deadline ? | QMSum_120 |
false | and It 's , um , in June. Yeah. | QMSum_120 |
false | June. | QMSum_120 |
false | Early June , late June , middle June ? | QMSum_120 |
false | I don't know w | QMSum_120 |
false | Hmm. | QMSum_120 |
false | Hmm. | QMSum_120 |
false | OK. Um , and he 's been doing all the talking but but these he 's he 's , uh | QMSum_120 |
false | Yeah. | QMSum_120 |
false | This is this by the way a bad thing. We 're trying to get , um , m more female voices in this record as well. So. Make sur make sure Carmen talks as well. Uh , but has he pretty much been talking about what you 're doing also , and ? | QMSum_120 |
false | Oh , I I am doing this. | QMSum_120 |
false | Yes. | QMSum_120 |
false | Yeah , yeah. I don't know. I 'm sorry , but I think that for the recognizer for the meeting recorder that it 's better that I don't speak. | QMSum_120 |
false | Yeah , well. | QMSum_120 |
false | Because | QMSum_120 |
false | You know , uh , we 'll get we 'll get to , uh , Spanish voices sometime , and we do we want to recognize , uh , you too. | QMSum_120 |
false | After the after , uh , the result for the TI - digits on the meeting record there will be foreigns people. | QMSum_120 |
false | Yeah , but | QMSum_120 |
false | Oh , no. | QMSum_120 |
false | We like we we 're we 're w we are we 're in the , uh , Bourlard - Hermansky - Morgan , uh , frame of mind. Yeah , we like high error rates. It 's | QMSum_120 |
false | Yeah. | QMSum_120 |
false | That way there 's lots of work to do. So it 's Uh , anything to talk about ? | QMSum_120 |
false | N um , not not not much is new. So when I talked about what I 'm planning to do last time , I said I was , um , going to use Avendano 's method of , um , using a transformation , um , to map from long analysis frames which are used for removing reverberation to short analysis frames for feature calculation. He has a trick for doing that involving viewing the DFT as a matrix. Um , but , uh , um , I decided not to do that after all because I I realized to use it I 'd need to have these short analysis frames get plugged directly into the feature computation somehow | QMSum_120 |
false | Mm - hmm. | QMSum_120 |
false | and right now I think our feature computation is set to up to , um , take , um , audio as input , in general. So I decided that I I 'll do the reverberation removal on the long analysis windows and then just re - synthesize audio and then send that. | QMSum_120 |
false | This is in order to use the SRI system or something. Right ? | QMSum_120 |
false | Um , or or even if I 'm using our system , I was thinking it might be easier to just re - synthesize the audio , | QMSum_120 |
false | Yeah ? | QMSum_120 |
false | because then I could just feacalc as is and I wouldn't have to change the code. | QMSum_120 |
false | Oh , OK. Yeah. I mean , it 's um , certainly in a short short - term this just sounds easier. | QMSum_120 |
false | Uh - huh. | QMSum_120 |
false | Yeah. I mean , longer - term if it 's if it turns out to be useful , one one might want to do something else , | QMSum_120 |
false | Right. That 's true. | QMSum_120 |
false | but Uh , uh , I mean , in in other words , you you may be putting other kinds of errors in from the re - synthesis process. | QMSum_120 |
false | But e u From the re - synthesis ? Um , | QMSum_120 |
false | Yeah. | QMSum_120 |
false | O - OK. I don't know anything about re - synthesis. Uh , how likely do you think that is ? | QMSum_120 |
false | Uh , it depends what you what you do. I mean , it 's it 's it 's , uh , um Don't know. But anyway it sounds like a reasonable way to go for a for an initial thing , and we can look at at exactly what you end up doing and and then figure out if there 's some something that could be be hurt by the end part of the process. | QMSum_120 |
false | OK. | QMSum_120 |
false | OK. So that 's That was it , huh ? | QMSum_120 |
false | That Yeah , e That 's it , that 's it. | QMSum_120 |
false | OK. OK. | QMSum_120 |
false | Uh - huh. | QMSum_120 |
false | Um , anything to add ? | QMSum_120 |
false | 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. | QMSum_120 |
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