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<title>Output filter based NTF synthesis (pydsm.NTFDesign.filter_based) — PyDSM 0.14.0.0 documentation</title>
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<span class="target" id="module-pydsm.NTFdesign.filter_based"></span><div class="section" id="output-filter-based-ntf-synthesis-pydsm-ntfdesign-filter-based">
<h1>Output filter based NTF synthesis (<code class="xref py py-mod docutils literal notranslate"><span class="pre">pydsm.NTFDesign.filter_based</span></code>)<a class="headerlink" href="#output-filter-based-ntf-synthesis-pydsm-ntfdesign-filter-based" title="Permalink to this headline">¶</a></h1>
<p>This modules provides code for the synthesis of the modulator NTF, based
on the filter placed after the modulator for the removal of the quantization
noise.</p>
<div class="deprecated">
<p><span class="versionmodified deprecated">Deprecated since version 0.11.0: </span>Use <cite>ntf_fir_weighting</cite> or functions from <cite>NTFdesign.weighting</cite>
module.</p>
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<div class="section" id="deprecated-functions">
<h2>Deprecated functions<a class="headerlink" href="#deprecated-functions" title="Permalink to this headline">¶</a></h2>
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<colgroup>
<col style="width: 10%" />
<col style="width: 90%" />
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<tr class="row-odd"><td><p><a class="reference internal" href="generated/pydsm.NTFdesign.filter_based.quantization_noise_gain.html#pydsm.NTFdesign.filter_based.quantization_noise_gain" title="pydsm.NTFdesign.filter_based.quantization_noise_gain"><code class="xref py py-obj docutils literal notranslate"><span class="pre">quantization_noise_gain</span></code></a>(NTF, H[, H_type])</p></td>
<td><p>Compute the quantization noise power gain after a filter</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference internal" href="generated/pydsm.NTFdesign.filter_based.quantization_noise_gain_by_conv.html#pydsm.NTFdesign.filter_based.quantization_noise_gain_by_conv" title="pydsm.NTFdesign.filter_based.quantization_noise_gain_by_conv"><code class="xref py py-obj docutils literal notranslate"><span class="pre">quantization_noise_gain_by_conv</span></code></a>(NTF, H[, …])</p></td>
<td><p>Alias of <a class="reference internal" href="generated/pydsm.NTFdesign.legacy.quantization_noise_gain_by_conv.html#pydsm.NTFdesign.legacy.quantization_noise_gain_by_conv" title="pydsm.NTFdesign.legacy.quantization_noise_gain_by_conv"><code class="xref py py-func docutils literal notranslate"><span class="pre">pydsm.NTFdesign.legacy.quantization_noise_gain_by_conv()</span></code></a></p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference internal" href="generated/pydsm.NTFdesign.filter_based.q0_from_filter.html#pydsm.NTFdesign.filter_based.q0_from_filter" title="pydsm.NTFdesign.filter_based.q0_from_filter"><code class="xref py py-obj docutils literal notranslate"><span class="pre">q0_from_filter</span></code></a>(P, H[, H_type])</p></td>
<td><p>Compute Q matrix from the modulator output filter</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference internal" href="generated/pydsm.NTFdesign.filter_based.synthesize_ntf_from_filter.html#pydsm.NTFdesign.filter_based.synthesize_ntf_from_filter" title="pydsm.NTFdesign.filter_based.synthesize_ntf_from_filter"><code class="xref py py-obj docutils literal notranslate"><span class="pre">synthesize_ntf_from_filter</span></code></a>(order, H[, …])</p></td>
<td><p>Synthesize a FIR NTF based on the ΔΣM output filter.</p></td>
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<h3>Table of Contents</h3>
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<li class="toctree-l1"><a class="reference internal" href="intro.html">Introduction</a></li>
<li class="toctree-l1"><a class="reference internal" href="getting-started.html">Getting Started</a></li>
<li class="toctree-l1"><a class="reference internal" href="reference.html">Reference guide</a></li>
<li class="toctree-l1"><a class="reference internal" href="replicate-results.html">How to replicate the results in some recent scientific papers</a></li>
<li class="toctree-l1"><a class="reference internal" href="license.html">License</a></li>
<li class="toctree-l1"><a class="reference internal" href="included_code.html">Code included in PyDSM</a></li>
<li class="toctree-l1"><a class="reference internal" href="more-references.html">References not provided inline in this manual</a></li>
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