## emu-users — Discussions by users of the Emu system

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 Re: [Emu-users] eplot vowel centre point averaged over a window From: Steve Cassidy - 2004-08-20 06:23:07 ```On 20/08/2004, at 12:38 PM, Paul Warren wrote: > As far as I can tell=A0the eplot routine (e.g. in R)=A0will not allow = you=20 > to use an averaged value over a datapoint window in the middle of the=20= > formant tracks of a vowel to represent=A0the vowel mid-point. This = means=20 > that midpoints (e.g. derived through cut=3D0.5 in emu-track) are=20 > susceptible to local perturbations in the formant tracks unless the=20 > latter have been smoothed prior to use in eplot.=A0=A0 Does anyone = have an=20 > adaptation that will instead allow e-plotting of a value based on the=20= > average value of a set of points over a certain window (e.g. specified=20= > using 'cut' and 'npoints' in emu-track)?=A0 > =A0 Paul, eplot accepts any 2 column data for plotting, it's not restricted to=20= the return values of emu.track at all. Hence to achieve what you want=20 you can first extract the appropriate data and average it before=20 plotting. Eg: segs <- emu.query("demo", "*", "Phonetic=3Dvowe") data <- emu.track(segs, fm) data.average <- daverage(data) eplot(data.average, label(segs)) where daverage is: daverage <- function(trackdata) { # return the average value of each segment of trackdata as # a matrix/vector datamean <- function(data, ftime) { mean <- apply(data, 2, mean) return( list(data=3Dmean, ftime=3Dftime ) ) } dd <- dapply(trackdata, datamean) return( dd\$data ) } I don't think this is in the latest release of Emu, it's something I've=20= written recently to replace some older more confusing code. It should make it into the next release in some form. Steve > -- Steve Cassidy Department of Computing, Macquarie University ```
 [Emu-users] 11'th Annual Tcl/Tk Conference From: - 2004-08-20 02:50:49 ```11'th Annual Tcl/Tk Conference October 11 - 15, 2004 New Orleans, Louisiana, USA Email Contact tcl2004@... We are pleased to announce the 11'th Annual Tcl/Tk conference (Tcl'2004), sponsored by Noumena Corporation, in cooperation with ActiveState and ExpoTech. Come to New Orleans to: * Learn about the power of Tcl/Tk. * Present exciting new work involving Tcl/Tk. * See the latest developments in Tcl/Tk. * Meet Tcl/Tk researchers and users from academia, government and industry. * Plan for future Tcl/Tk related developments. The conference program will include paper presentations, tutorials, Birds of a Feather (BOF) sessions and invited key-note talks. Registration Online registration is ready now. ; Tutorials Come learn about Tcl from the experts. This year's Tcl/Tk Conference includes one of the best sets of Tutorials ever offered including tutorials on Jacl, TclHttpd, Starkit, Advanced GUI construction, and the API. ; Schedule More details will be added to the schedule as they become available. ; Those attending the conference will be interested in the conference info page. ; To keep in touch with news regarding the conference and Tcl events in general, subscribe to the tcl-announce list. ; Other Forms of Participation For those who are not presenting a paper at the conference, but would like to present their work in some form, we do provide several other forms of participation. Slots for Works-in-Progress (WIP) presentations and Birds-of-a-Feather sessions (BOFs) are available on a first-come, first-served basis by sending email to tcl2004@... Some WIP and BOF time slots will be held open for on-site reservation, so we encourage all attendees with interesting work in progress to consider presenting that work at the conference. Conference Committee Gerald Lester HMS Software General Chair Andreas Kupries ActiveState Corp Clif Flynt Noumena Corp Website Admin Jeffrey Hobbs ActiveState Corp Kevin Kenny GE Global Research Center Ken Jones Avia Training Mac Cody Raytheon Company Kim Richerts Steve Landers Digital Smarties Sheila Miguez Motorola Larry Virden Tcl FAQ Maintainer Contact Information tcl2004@... ```
 [Emu-users] eplot vowel centre point averaged over a window From: Paul Warren - 2004-08-20 02:40:19 Attachments: Message as HTML ```As far as I can tell the eplot routine (e.g. in R) will not allow you to = use an averaged value over a datapoint window in the middle of the = formant tracks of a vowel to represent the vowel mid-point. This means = that midpoints (e.g. derived through cut=3D0.5 in emu-track) are = susceptible to local perturbations in the formant tracks unless the = latter have been smoothed prior to use in eplot. Does anyone have an = adaptation that will instead allow e-plotting of a value based on the = average value of a set of points over a certain window (e.g. specified = using 'cut' and 'npoints' in emu-track)? =20 =20 Paul =20 Dr Paul Warren=20 Senior Lecturer in Linguistics School of Linguistics and Applied Language Studies Victoria University of Wellington PO Box 600 Wellington New Zealand tel +64 4 463 5631/5600 fax +64 4 463 5604 =20 ```
 [Emu-users] vowel trajectory plots From: Paul Warren - 2004-08-04 04:12:46 Attachments: Message as HTML ```can anyone point me to some code (in R would be good) that will allow me = to take the average and time-normalised F1& F2 data as used in a dplot = routine but plot them against one another as a trajectory in F1/F2 = space. Paul Dr Paul Warren=20 Senior Lecturer in Linguistics School of Linguistics and Applied Language Studies Victoria University of Wellington PO Box 600 Wellington New Zealand tel +64 4 463 5631/5600 fax +64 4 463 5604 =20 ```

Showing 4 results of 4