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<section id="fine-tune-a-pre-trained-model">
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<h1>Fine-tune a pre-trained model<a class="headerlink" href="#fine-tune-a-pre-trained-model" title="Permalink to this heading"></a></h1>
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<p>After pre-training on public available datasets, the ASR model is already capable of
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performing general speech recognition with relatively high accuracy. However, the accuracy
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could be still low on certain domains that are quite different from the original training
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set. In this case, we can fine-tune the model with a small amount of additional labelled
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data to improve the performance on new domains.</p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="from_supervised/finetune_zipformer.html">Finetune from a supervised pre-trained Zipformer model</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="from_supervised/finetune_zipformer.html#data-preparation">Data preparation</a></li>
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<li class="toctree-l2"><a class="reference internal" href="from_supervised/finetune_zipformer.html#model-preparation">Model preparation</a></li>
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<li class="toctree-l2"><a class="reference internal" href="from_supervised/finetune_zipformer.html#fine-tune">Fine-tune</a></li>
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</ul>
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</li>
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<li class="toctree-l1"><a class="reference internal" href="adapter/finetune_adapter.html">Finetune from a pre-trained Zipformer model with adapters</a><ul>
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<li class="toctree-l2"><a class="reference internal" href="adapter/finetune_adapter.html#data-preparation">Data preparation</a></li>
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<li class="toctree-l2"><a class="reference internal" href="adapter/finetune_adapter.html#model-preparation">Model preparation</a></li>
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<li class="toctree-l2"><a class="reference internal" href="adapter/finetune_adapter.html#fine-tune-with-adapter">Fine-tune with adapter</a></li>
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<li class="toctree-l2"><a class="reference internal" href="adapter/finetune_adapter.html#decoding">Decoding</a></li>
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<li class="toctree-l2"><a class="reference internal" href="adapter/finetune_adapter.html#export-the-model">Export the model</a></li>
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