# CSJ2K.j2k.codestream.reader.HeaderDecoder.createDequantizer

## Content

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<h1 id="CSJ2K_j2k_codestream_reader_HeaderDecoder_createDequantizer_" data-uid="CSJ2K.j2k.codestream.reader.HeaderDecoder.createDequantizer*">createDequantizer Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="CSJ2K_j2k_codestream_reader_HeaderDecoder_createDequantizer_" data-uid="CSJ2K.j2k.codestream.reader.HeaderDecoder.createDequantizer*"></a>
<h4 id="CSJ2K_j2k_codestream_reader_HeaderDecoder_createDequantizer_CSJ2K_j2k_quantization_dequantizer_CBlkQuantDataSrcDec_System_Int32___CSJ2K_j2k_decoder_DecoderSpecs_" data-uid="CSJ2K.j2k.codestream.reader.HeaderDecoder.createDequantizer(CSJ2K.j2k.quantization.dequantizer.CBlkQuantDataSrcDec,System.Int32[],CSJ2K.j2k.decoder.DecoderSpecs)">createDequantizer(CBlkQuantDataSrcDec, int[], DecoderSpecs)</h4>
<div class="markdown level1 summary"><p>Returns the dequantizer parameters. Dequantizer parameters normally are
the quantization step sizes, see DequantizerParams.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public Dequantizer createDequantizer(CBlkQuantDataSrcDec src, int[] rb, DecoderSpecs decSpec2)</code></pre>
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<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Function createDequantizer(src As CBlkQuantDataSrcDec, rb As Integer(), decSpec2 As DecoderSpecs) As Dequantizer</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="CSJ2K.j2k.quantization.dequantizer.CBlkQuantDataSrcDec.html">CBlkQuantDataSrcDec</a></td>
      <td><span class="parametername">src</span></td>
      <td><p>The source of data for the dequantizer.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a>[]</td>
      <td><span class="parametername">rb</span></td>
      <td><p>The number of range bits for each component. Must be
the number of range bits of the mixed components.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="CSJ2K.j2k.decoder.DecoderSpecs.html">DecoderSpecs</a></td>
      <td><span class="parametername">decSpec2</span></td>
      <td><p>The DecoderSpecs instance after any image manipulation.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="CSJ2K.j2k.quantization.dequantizer.Dequantizer.html">Dequantizer</a></td>
      <td><p>The dequantizer</p>
</td>
    </tr>
  </tbody>
</table>
</div>