Displaying 20 results from an estimated 2000 matches similar to: "Square Polar Stereo Coupling"
2004 Feb 23
2
About lossless and point stereo
Hi,
I've read the Vorbis stereo documentation on square polar mapping and
currently reading the source code to understand it. But there are some
things which I don't quite understand and hope I can get some guidance on.
I understand the decoding/decoupling part as it is the same as the one
described in the stereo docs:
From mapping0.c:
/* channel coupling */
2003 May 22
2
square polar mapping - backgrounds
Hello,
I wanted to find out more about square polar mapping, cause that whole
stuff is a bit tricky - to me - and not so easy to understand.
Searching the web did't get me any results, so I wonder what the background
of square polar mapping is.
Is it derived from some mathematical publications or just the result of a brilliant
intuition of a Vorbis programmer ? ;)
Thanks.
Stoffke
2004 Feb 03
1
Stereo mode settings
Hi everyone,
I'd like a bit of information about the stereo mode settings in
psych_44.h of libvorbis. Specifically, about the adj_stereo structure:
typedef struct {
int pre[PACKETBLOBS];
int post[PACKETBLOBS];
float kHz[PACKETBLOBS];
float lowpasskHz[PACKETBLOBS];
} adj_stereo;
What I am attempting to do is bring lossless stereo coupling down to the
lower quality levels in
2001 Sep 03
2
lowpass option (Was: RE: channel coupling in rc2)
I would very much like a lowpass option because for FM radio broadcasting I
don't want to encode frequencies above 15khz. I'm waiting for this option
before switching to ogg from mp3(lame).
Ross.
> -----Original Message-----
> From: owner-vorbis@xiph.org [mailto:owner-vorbis@xiph.org]On Behalf Of
> Gian-Carlo Pascutto
> Sent: Tuesday, 4 September 2001 01:46
> To:
2007 Feb 11
7
Could not find definition vico_network
I''m trying to manage network files on two nodes, "vico" and "backup."
The component "vico_network" below works fine.
define vico_network ($owner = ''root'', $group = ''wheel'', $mode = ''644'',
$cro_int = ''ne3'',
$carp0_skew = '''', $carp1_skew =
2005 Jun 22
2
A polar.plot BUG in plotrix 1.3.3 ?
Hi,
I just updated to R-2.1.1 and updated packages acordingly
However, after the update, routines that use polar.plot
did not function as correctly.
In plotrix 1.3.3 the polar.plot function does scale label.pos
to radians prior to calling radial.plot
Hence, the command
polar.plot(c(5,10,5,0),c(-10,0,10,20),rp.type='P',
2007 Jul 17
1
Missing value in circ.mean and polar.plot
Hi,
I try to compute circular means for a matrix with NAs, but the function "circ.mean" return only means for lines with complete values and do not accept "na.omit=T" or "na.rm=T", or "na.action=na.omit", or "na.fail=T".
Also, I try to use "polar.plot" of the package poltrix with the same matrix, but angles are not display because of
2009 Oct 30
2
polar.plot
Hi,
Two questions:
1 - Say I have average speed and directions for tide and I would like to
plot them on a polar plot, but with different colors so I can indicate the
two directions. I'm using polar.plot from the plotrix library. How can I add
a second "b" and "dir.b" series to a polar.plot?
library(plotrix)
a = 3
dir.a = 85
b = 4
dir.b = 250
polar.plot(a, dir.a, start =
2007 Sep 19
0
Cannot disable stereo coupling
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
</head>
<body bgcolor="#ffffff" text="#000000">
Good morning !<br>
<br>
For my project, i want to disable stereo coupling in audio vorbis
encoding.<br>
<br>
On the web documentation (<a
2010 Jun 03
1
plot polar coordinates
Hi,
I'd like to plot in in polar coordinates a line which is given as a
vector of lengths and angles.
library("plotrix")
2012 Oct 08
1
3d polar coordinates in rgl function view3d()
Dear all:
I'm enjoying using rgl and I want to set a specific viewpoint.
I understand that view3d() will do so by setting the 3d polar
coordinate angles, theta and phi.
In standard polar coordinates, theta is the angle away from the X axis
in the X-Y plane and phi (inclination angle) is the angle between the
Z axis and the radius vector
It appears that when you use view3d() theta is
2007 Dec 16
2
Changing the origin in polar.plot in plotrix package
I am trying to draw a polar plot, which is easy enough to do in the
plotrix package through the polar.plot function.
However I would like to change the origin of the length vector. For
instance all my length values are between 75 and 85, so instead of
having the origin as 0 (the default) I'd like it to be, say, 50.
Is there any way do to this in the polar.plot function, or if not is
there an
2002 Oct 17
0
Polar plot, circular plot (angular data)
Dear R-users,
Hereby a polar plot function for plotting angular data. I hope it will be usefull for some of you.
I had a need to plot frequencies of wind-directions. The not-that-cheap SigmaPlot software did not allow me to change the orientation of the angular axis to clockwise orientation (what is used for meteorological observations). I even tried the latest version availible at the time
2002 Jul 12
8
Uncoupled mode?
Hello,
A question:
Can we use uncoupled encoding in the 1.0?
(current CVS)
How?
Because I see some uncoupled definitions
(books\uncoupled\res_books_uncoupled.h),
but I don't know how could I switch to it
manually.
Perhaps with an option in the
vorbis_encode_ctl() function...
Because I think so it's better if I don't
use any kind of channel coupling (lossless
neither) on high bitrates
2010 Jun 07
2
Polar coordinate
Greetings to you all.
I have two datasets - Time and magnitude. For a particular location, the
magnitude of the parameter varies with time. I wish to obtain a polar
coordinate distribution of time (0-24h) and magnitudes so as to visualize
how magnitude varies with different times of the day (e.g., morning,
midnight hours).
I have searched for "polar coordinates in R" but could not get
2012 Oct 26
2
Grid Width in polar.plot
Hello,
I am using the polar.plot function from plotrix.
Is there a way to change the width of the grid lines?
grid.lwd doesn't work....
Thanks
Martin
--
View this message in context: http://r.789695.n4.nabble.com/Grid-Width-in-polar-plot-tp4647547.html
Sent from the R help mailing list archive at Nabble.com.
2008 Dec 09
1
Polar coordinates - contour plots
Hello,
I have data for contour plot which is given in polar coordinates. Is
there a straightforward way to plot in polar coordinates in R, or do i
need to fiddle with transformations and then to sort the x and y
vectors to be in ascending order as required by contour function and
relatives?
Cheers,
Todor
2007 Mar 08
2
Is Allison going to be banned from foreign travel over polar bears?
I read this story and thought of Allison's prompt to "try not to think about blue eyed polar bears".
Will she be banned from foreign travel now?
Steve Prior
-- snip --
WASHINGTON (Reuters) - Polar bears, sea ice and global warming are taboo subjects, at least in
public, for some U.S. scientists attending meetings abroad, environmental groups and a top federal
wildlife official
2007 Feb 14
1
symbols hidden in polar.plot
Hi Folks,
Here is my attempt at a simple polar plot.
> pos <- seq(0,360,by=5)
> tspk <- rep(c(1,0,1),c(13,47,13))
> require(plotrix)
> polar.plot(tspk,pos,rp.type="s",point.symbols=17,point.col="green4")
I only see half the symbols, the other half of each symbol is hidden
under the circular grid. In fact if I change rp.type="r", I see the
2010 Sep 13
1
Transparent Labels for Polar Plot
Hello,
I am currently using the polar.plot function in the plotrix package to graph data. Unfortunately, it seems that the default for the labels is to have a background color that is covering the line representing my data, making it difficult to read. Is there a way to make this label background transparent?
Example:
lengths <- 0:72
bearing <- seq(from=0, to=360, by=5)