Subject:Re: Electronic Paper RequestFrom:Tamas Harczos <tamas.harczos@xxxxxxxx>Date:Fri, 23 Mar 2012 15:53:54 +0100List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>Dear List, thank you for your replies! Special thanks to Dick for sending me not only papers but also useful hints on reviewing the history of BM-models. So far I have the Lumer and Johannesma papers. I would still be very thankful for the following two: D. Schofield, "Visualizations of speech based on a model of the peripheral auditory system," NPL Report DITC 62/85, 1985. J. L. Eriksson and A. Robert, "A simple nonlinear active cochlear model with distributed feedback," Proc. International Symposium on Nonlinear Theory and its Applications (NOLTA), Le Regent, Crans-Montana, Switzerland, 1998. Thank you! Tamas "Richard F. Lyon" schrieb: > Tamas, > > I have sent you the Johannesma 1972 paper, the origin of the term > "gamma-tone". > > I may have Schofield 1985 on paper some place, since I quoted from it > back in '96; I'll try to find it if someone else doesn't. > > I haven't heard of the Lumer 1987 papers before, but they look good, > and are available online for money. I might get... > > Eriksson & Robert 1998 is just an early version of Robert & Eriksson > 1999 JASA, I think. All they say about it is "Previous versions of > the model were pre- sented in Eriksson and Robert, 1998." They were > among the few people who picked up on my 1996 all-pole gammatone > filter idea and used it to make a good model. I'd be interested if > you find it. > > If you're interested in the history of gammatones, a relevant > often-overlooked paper is Dirk Van Compernolle's 1991 IPO report > "Development of a Computational Auditory Model". It turns out he did > the pole-zero decomposition of the gammatone, and the all-pole version > as an approximation, a bit before Slaney did. From the Laplace > transforms that he tabulated, he concluded, "From the above table it > can be seen that an all-pole filter approximation will be excellent as > long as alpha is small, i.e. for sharp filters, which is the case for > a cochlear filterbank." It's easy to find online. > > Dick

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