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<span class="path"><a href="index.html">FOSSEE Signal Processing Toolbox</a> >> <a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a> > rc2is</span>
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<div class="refnamediv"><h1 class="refname">rc2is</h1>
<p class="refpurpose">Convert reflection coefficients to inverse sine parameters</p></div>
<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3>
<div class="synopsis"><pre><span class="default">isin</span><span class="default"> = </span><span class="functionid">rc2is</span><span class="default">(</span><span class="default">K</span><span class="default">)</span></pre></div></div>
<div class="refsection"><h3 class="title">Parameters</h3>
<dl><dt><span class="term">k:</span>
<dd><p class="para">input reflection coefficients. Needs to be an array of real numbers between -1 and 1</p></dd></dt>
<dt><span class="term">isin:</span>
<dd><p class="para">inverse sine parameters corresponding to the reflection coefficients in input</p></dd></dt></dl></div>
<div class="refsection"><h3 class="title">Description</h3>
<p class="para">This function returns the inverse sine parameters corresponding to the input reflection coefficients K.
output array has isin(i) = 2/pi*asin(k(i))</p>
<p class="para">Example
k = [0.3090 0.9801 0.0031 0.0082 -0.0082];
isin = rc2is(k) //Gives inverse sine parameters</p>
<p class="para"></p></div>
<div class="refsection"><h3 class="title">See also</h3>
<ul class="itemizedlist"><li class="member"><a href="is2rc.html" class="link">is2rc</a></li>
<li class="member"><a href="rc2poly.html" class="link">rc2poly</a></li>
<li class="member"><a href="rc2ac.html" class="link">rc2ac</a></li>
<li class="member"><a href="rc2lar.html" class="link">rc2lar</a></li></ul></div>
<div class="refsection"><h3 class="title">Authors</h3>
<ul class="itemizedlist"><li class="member">Parthe Pandit</li></ul></div>
<div class="refsection"><h3 class="title">Bibliography</h3>
<p class="para">J.R. Deller, J.G. Proakis, J.H.L. Hansen, "Discrete-Time Processing of Speech Signals", Prentice Hall, Section 7.4.5</p>
<p class="para">modified function to handle char i/p and also changed error statements to match those of MATLAB by Debdeep Dey</p>
<p class="para">convert char i/p to their respective ascii values</p></div>
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