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class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/buzz/docs">Introduction</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/buzz/docs/installation">Installation</a></li><li class="theme-doc-sidebar-item-category theme-doc-sidebar-item-category-level-1 menu__list-item menu__list-item--collapsed"><div class="menu__list-item-collapsible"><a class="menu__link menu__link--sublist menu__link--sublist-caret" aria-expanded="false" href="/buzz/docs/usage/file_import">Usage</a></div></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/buzz/docs/preferences">Preferences</a></li><li class="theme-doc-sidebar-item-link theme-doc-sidebar-item-link-level-1 menu__list-item"><a class="menu__link" href="/buzz/docs/cli">CLI</a></li><li class="theme-doc-sidebar-item-link 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class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">FAQ</span><meta itemprop="position" content="1"></li></ul></nav><div class="theme-doc-markdown markdown"><header><h1>FAQ</h1></header><ol><li><p><strong>Where are the models stored?</strong></p><p>The Whisper models are stored in <code>~/.cache/whisper</code>. The Whisper.cpp models are stored in <code>~/Library/Caches/Buzz</code>
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(Mac OS), <code>~/.cache/Buzz</code> (Unix), or <code>C:\Users\<username>\AppData\Local\Buzz\Buzz\Cache</code> (Windows).</p></li><li><p><strong>What can I try if the transcription runs too slowly?</strong></p><p>Speech recognition requires large amount of computation, so one option is to try using a lower Whisper model size or using a Whisper.cpp model to run speech recognition of your computer. If you have access to a computer with GPU that has at least 6GB of VRAM you can try using the Faster Whisper model.</p><p>Buzz also supports using OpenAI API to do speech recognition on a remote server. To use this feature you need to set OpenAI API key in Preferences. See <a href="https://chidiwilliams.github.io/buzz/docs/preferences" target="_blank" rel="noopener noreferrer">Preferences</a> section for more details.</p></li><li><p><strong>How to record system audio?</strong></p><p>To transcribe system audio you need to configure virtual audio device and connect output from the applications you want to transcribe to this virtual speaker. After that you can select it as source in the Buzz. See <a href="https://chidiwilliams.github.io/buzz/docs/usage/live_recording" target="_blank" rel="noopener noreferrer">Usage</a> section for more details.</p><p>Relevant tools:</p><ul><li>Mac OS - <a href="https://github.com/ExistentialAudio/BlackHole" target="_blank" rel="noopener noreferrer">BlackHole</a>.</li><li>Windows - <a href="https://vb-audio.com/Cable/" target="_blank" rel="noopener noreferrer">VB CABLE</a></li><li>Linux - <a href="https://wiki.ubuntu.com/record_system_sound" target="_blank" rel="noopener noreferrer">PulseAudio Volume Control</a></li></ul></li><li><p><strong>What model should I use?</strong></p><p>Model size to use will depend on your hardware and use case. Smaller models will work faster but will have more inaccuracies. Larger models will be more accurate but will require more powerful hardware or longer time to transcribe. </p><p>When choosing among large models consider the following. "Large" is the first released older model, "Large-V2" is later updated model with better accuracy, for some languages considered the most robust and stable. "Large-V3" is the latest model with the best accuracy in many cases, but some times can hallucinate or invent words that were never in the audio. The only sure way to know what model best suits your needs is to test them all in your language. </p></li><li><p><strong>How to get GPU acceleration for faster transcription?</strong></p><p>On Linux GPU acceleration is supported out of the box on Nvidia GPUs. If you still get any issues install <a href="https://developer.nvidia.com/cuda-downloads" target="_blank" rel="noopener noreferrer">CUDA 12</a>, <a href="https://developer.nvidia.com/cublas" target="_blank" rel="noopener noreferrer">cuBLASS</a> and <a href="https://developer.nvidia.com/cudnn" target="_blank" rel="noopener noreferrer">cuDNN</a>.</p><p>On Windows see <a href="https://github.com/chidiwilliams/buzz/blob/main/CONTRIBUTING.md#gpu-support" target="_blank" rel="noopener noreferrer">this note</a> on enabling CUDA GPU support.</p><p>For Faster whisper CUDA 12 is required, computers with older CUDA versions will use CPU. </p></li><li><p><strong>How to fix <code>Unanticipated host error[PaErrorCode-9999]</code>?</strong></p><p>Check if there are any system settings preventing apps from accessing the microphone.</p><p>On Windows, see if Buzz has permission to use the microphone in Settings -> Privacy -> Microphone.</p><p>See method 1 in this video <a href="https://www.youtube.com/watch?v=eRcCYgOuSYQ" target="_blank" rel="noopener noreferrer">https://www.youtube.com/watch?v=eRcCYgOuSYQ</a></p><p>For method 2 there is no need to uninstall the antivirus, but see if you can temporarily disable it or if there are settings that may prevent Buzz from accessing the microphone.</p></li></ol></div></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/buzz/docs/cli"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">CLI</div></a></nav></div></div></div></div></main></div></div></div>
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