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Shell Programming and Scripting
Hi ! whether it is possible to do interpolation in scripting...
Post 302739353 by nex_asp on Tuesday 4th of December 2012 05:49:16 AM
12-04-2012
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Currently I have awk command to do linear interpolation
awk '
{
P=$2
I=$1
}
END {
j=0; s=I; t=I
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if(I && i>t) {
j++; s=I; t=I
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Dear All,
I have input like this,
infile:
10 464310.16
20 464309.44
30 464309.02
40 464316.93
...
...
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10 464310.16
11
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.
.
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Awk Code
'
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LEARN ABOUT DEBIAN
envext
ENVEXT(1) The Canonical Csound Reference ENVEXT(1) NAME
envext - Extracts the envelope of a file to a text file. . SYNTAX
envext [-flags] soundfile csound -U envext [-flags] soundfile INITIALIZATION
soundfile - Name of the input soundfile. The following flags are available for envext (The default values are stated in parenthesis): -o fnam Name of output filename (newenv) -w size (in seconds) of analysis window (0.25) The envext utility generates a text file containing time and amplitude pairs by finding the absolute peak within each window. EXAMPLE
Using the command (while in the manual directory): csound -U envext examples/mary.wav will produce the a text file containing the following: 0.000 0.000 0.000 0.000 0.250 0.000 0.500 0.000 0.750 0.000 1.249 0.170 1.499 0.269 1.530 0.307 1.872 0.263 2.056 0.304 2.294 0.241 2.570 0.216 2.761 0.178 3.077 0.011 3.251 0.001 3.500 0.000 Which shows the time for the peak amplitude within each measured window. CREDITS
Author: John ffitch 1995 AUTHORS
Barry Vercoe MIT Media Lab Author. Dan Ellis MIT Media Lab, Cambridge Massachussetts Author. COPYRIGHT
5.10 08/01/2011 ENVEXT(1)