Re: phoneme recognition and stimulus length (=?X-UNKNOWN?Q?T=F3th_L=E1szl=F3?= )

Subject: Re: phoneme recognition and stimulus length
From:    =?X-UNKNOWN?Q?T=F3th_L=E1szl=F3?=  <tothl(at)INF.U-SZEGED.HU>
Date:    Mon, 19 Mar 2001 17:39:53 +0100

On Mon, 19 Mar 2001, Jont Allen wrote: > I dont know if this is what you are getting at, but have you looked at the > paper by Sadaoki Furui "On the role of spectral transitions for speech perception." > JASA, Oct. 1986, page 1016+ > It partly answers my questions, as they used truncated syllables as stimuli. But I would be more interested in the other direction: is there any additional gain in recognition performace if we use stimuli LONGER than a syllable? What made me wonder about this is the "backwards recognition masking" experiments of Massaro (unfortunately, I don't have the original papers, only a half-page review in a Ph.D. thesis by Brian Kingsbury). Their results say that masking has no effect if the target is longer than a syllable or if there is at least a syllable-long silent interval between the target and the masker. I would need a reinforcement of these results, but possibly from the opposite direction (i.e. not how recognition deteriorates from backwards masking but how recognition improves from "forward helping" - so to say). Laszlo Toth Hungarian Academy of Sciences * Research Group on Artificial Intelligence * "Failure only begins e-mail: tothl(at) * when you stop trying" *

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