blob: fbf1ce803c32ffcf0f2831cc7a135c10a1657d68 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
<?xml version="1.0" encoding="UTF-8"?>
<!--
*
* This help file was generated from rceps.sci using help_from_sci().
*
-->
<refentry version="5.0-subset Scilab" xml:id="rceps" xml:lang="en"
xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:svg="http://www.w3.org/2000/svg"
xmlns:ns3="http://www.w3.org/1999/xhtml"
xmlns:mml="http://www.w3.org/1998/Math/MathML"
xmlns:scilab="http://www.scilab.org"
xmlns:db="http://docbook.org/ns/docbook">
<refnamediv>
<refname>rceps</refname>
<refpurpose>Produce the cepstrum of the signal x, and if desired, the minimum phase reconstruction of the signal x.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<title>Calling Sequence</title>
<synopsis>
[y, xm] = rceps(x)
</synopsis>
</refsynopsisdiv>
<refsection>
<title>Parameters</title>
<variablelist>
<varlistentry><term>x:</term>
<listitem><para> real or complex vector input</para></listitem></varlistentry>
</variablelist>
</refsection>
<refsection>
<title>Examples</title>
<programlisting role="example"><![CDATA[
f0 = 70; Fs = 10000; # 100 Hz fundamental, 10kHz sampling rate
a = poly (0.985 * exp (1i*pi*[0.1, -0.1, 0.3, -0.3])); # two formants
s = 0.005 * randn (1024, 1); # Noise excitation signal
s(1:Fs/f0:length(s)) = 1; # Impulse glottal wave
x = filter (1, a, s); # Speech signal in x
[y, xm] = rceps (x .* hanning (1024)); # cepstrum and min phase reconstruction
]]></programlisting>
</refsection>
</refentry>
|
