Displaying 20 results from an estimated 120 matches similar to: "recommended dsp and psychoacoustics texts?"
2000 Jul 04
1
Using the vorbis psychoacoustics model
Hi,
I need a psychoacoustics model for some experiments and would like to use the
one included in vorbis. Is there any documentation about how to use it? Looks
like the relevent code is in psy.c, but I can't go further.
Also I would like to know whether I can be of any help in vorbis. I have some
knowledge in speech coding (I doing my master at the University of Sherbrooke's
speech
2003 Feb 18
1
Asterisk left in a bad state
Hi all,
I'm using asterisk in a production environment now and this afternoon I got
reports complaining that it was not working. Looking at the asterisk console
output, I saw it contains lots of error messages as printed below.
Unfortunately it is not obvious from the logs as to what started all this.
Just before the error messages start, everything seems to be working fine
with no problems.
2002 Aug 06
0
pwdump for ASU (Advanced Server for Unix) needed!
Hi,
We are migrating from Unix Server to Linux, so the ASU (Advanced Server for
Unix) will be replaced by Samba. The pwdump for Nt is pretty for Windows NT,
but I don't know if there is an Unix dump tool to transfer the ASU SAM
database to the Samba's smbpasswd file. Any help is welcomed!
Thanks in advance,
Jianliang Lu
Tiesse S.P.A.
Via Jervis, 60 10015 Ivrea (TO) Italy
Email:
2002 Aug 19
0
join domain problem with Samba 3.0 alpha18
Hi,
I've compiled the SAMBA 3.0 alpha18 with all default options and installed
well. Then I would join my NT 4.0 machine using the following steps (manual,
not On the fly):
# useradd -g groupid -d /dev/null -c "comment" -s /bin/false -m
machine_name$
# passwd -l machine_name$
# smbpasswd -a -m machine_name$
after that I tried to join my NT4.0 to the Samba PDC, but it failed
2006 Jun 30
0
find_by_sql not quoting properly (in acts_as_taggable plugin)
I have run into a very strange problem discovered through the use of
the acts_as_taggable plugin, but related to quoting/sanitizing the
interpolated list in a find_by_sql. Apologies for the length, but I
wanted to be complete. ;-)
The method from acts_as_taggable.rb is:
def find_tagged_with(list)
find_by_sql(["SELECT #{table_name}.* FROM #{table_name},
tags,
2008 Oct 30
1
package pls
Hi,
For the package "pls", I need to understand the algorithm for
"simpls.fit" for Partial Least Squares. I'm not sure if simpls.fit tries
to find the weight vectors (loadings) to maximize which of the two:
Cov(Xw, y) or maximize Cov^2(Xw,y)? Are these objective functions
equivalent? (in some texts, they use the first and in other texts, they
use the second obj.
2017 May 30
3
stats::line() does not produce correct Tukey line when n mod 6 is 2 or 3
>>>>> Serguei Sokol <sokol at insa-toulouse.fr>
>>>>> on Tue, 30 May 2017 16:01:17 +0200 writes:
> Le 30/05/2017 ? 09:33, Martin Maechler a ?crit : ...
>> However, even after the patch, The example from the SO
>> post differs from the result of Richie Cotton's
>> function...
> The explanation is quite simple.
2002 Jul 08
1
psychoacoustic model description
Hello,
Tell me please where I can find detailed description of the Vorbis psychoacoustic model?
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2011 Apr 25
3
Possibility of Incorporating a psychoacoustic model in CELT
Good Morning;
Iam asking whether any one have knowledge about is it possiple to incorporate a
psycoacoustic model?(specifically?I mean ?MPEG-1 psychoacoustic model 1) into
the CELT codec(any version even older versions of the coder,?no matter) Iam
using version 0.3.2.
Kind Regards;
Osama.
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2002 Jul 09
1
psychoacoustic model description
Hello!
I don`t know C or C++, but I want to prepare some psychocuostic
experiments in the MatLab. Shuold you tell me where I can find
detailed description of the Vorbis psychoacoustic model?
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2004 Feb 05
1
Psychoacoustic model
We've implemented a vorbis decoder based on Tremor and as part of the
documentation we're also writing about psycho acoustic models and
encoding.
We're quite up to date with the decoding process and psycho acoustics
in general but unfortunately not on the psycho acoustic encoding used
in Vorbis.
We have a few questions that would we would be very thankful to have
answer to:
Which
2003 Dec 28
1
psychoacoustic model
Hello everyone,
I need to know which kind of psychoacoustic model is
used in vorbis to encode signal.
Thanks for answers
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2009 Aug 04
1
Vorbis psychoacoustic model
Hello,
I'd like to know there is any place (web, document...) where I can see which
the vorbis' psychoacoustic model is, at least for the reference encoder (how
it works, algorithms, filter banks, scalefactors, etc., or if it doesn't use
any of this things at all...), or if the only way of looking at it is within
the psy.c. I've been looking for it in the Vorbis' site and in
2011 Jan 19
0
Analyzing texts with tm
Hey everybody!
I have to use R's tm package to do some text analysis, first thing would be to create a term frequency matrix.
Digging in tm's source code it seems like it uses some logic like this to create term frequencies:
data("crude")
(txt <- Content(crude[[1]]))
(tokTxt <- unlist(strsplit(gsub("[^[:alnum:]]+", " ", txt), " ", fixed =
2009 Sep 21
1
State machines and parsing texts
Hi, although my question is not just rails specific, I think it fits
this discussion more than the ruby discussion.
I found a state machine package very useful (http://
statemachine.rubyforge.org/). I do not know any alternatives for this.
Do you have any tips which one could be an interesting alternative?
I used the mentioned state machine for parsing of text, which although
has structure, but
2003 Jan 31
2
Varying texts in expression(paste())
Hi,
I am using R a lot to make plots relating to radioactivity, I am often using
expression() to label the plots with nuclide names written with
superscripts, e.g.
expression(paste("Releases of ", { }^{99},Tc," (TBq/year)"))->ywtext
But, is there any simple way to change the number and name of the nuclide
through a variable? I tried
nuccode=expression({ }^{99},Tc)
2009 May 04
2
rotate texts
Hi all,
I'm hoping to add texts into a plot. I'm using text() to do it. I wonder if
the text() allow me to make the text vertically printed?
Thanks in advance for help,
phoebe
[[alternative HTML version deleted]]
2011 Jun 20
0
searching through two different texts files to find a common variable
You probably want to use the merge() function.
imaginary example for data frames named "KS" and "US," where the common
identifier variable is named "ID"
merged.data<-merge(KS,US,by.x="ID",by.y="ID",all.x=F,all.y=F)
Note that this will retain only observations for which there is a common ID
in both KS and US. If you want to keep observations
2006 Mar 31
1
adding texts to plots and a problem....
Hello,
I have a problem with adding texts to my plots: The code is
/plot(dates(as.character(tam[,tkolon])),d[,i],ylab=names(d[i]),ylim=c(galt,gust),type="l")
abline(orta,0,lty=3,col=3)
text(//length(d[,i]//),0.025+(orta),expression(mu),col=3)
abline(orta+l2,0,lty=4,col=2)
text(length(d[,i]),0.025+(orta+l2),expression(+2*sigma),col=2)
abline(orta-l2,0,lty=4,col=2)
2009 Mar 20
1
Multi-line texts in plots
I am running a simulation many times changing one parameter each time and recording the outcome.
I have to produce a plot to make a sense of the bunch of numbers I get from every run.
My problem is to insert a multi-line text to keep track of which result correspond to which parameter values.
A legend does not work in this case because I will plot 2 variables and the corresponding experimental