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2009 Dec 01
2
Starting estimates for nls Exponential Fit
...h(ExponValues)])/((E^ExponCycles[-1])-(E^ExponCycles[-length(ExponCycles)])),(1-abs(seq(-1,1,length=(length(ExponCycles)-1)))^3)^3)
Optional parameter optimisation:
Esp <-
optim(c(Y0=eY0,a=alpha,E=E),function(x){return(sum(abs(ExponValues-(x[1]+x[2]*x[3]^ExponCycles))))})$par
nls function:
Emodel<-try(nls(ExponValues ~ (Y0 + a*(E^ExponCycles)) , start= Esp,
algorithm="port"),silent=TRUE)
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2007 Sep 14
1
reg. speex Ie Values
Hi ,
We would like to know as to what is the impairment caused by the Speex
codec
I mean what is the value of equipment impairment factor Ie ( as defined in
G.107 Emodel Standardization )
for speex codec ?
The standard G.107 does not talk about the Ie values of this codec type.
Would greatly help if I could get to know the same,
Awaiting your response,
thanks
supriya
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