ubuntu20.04 没有模拟信号

在Ubuntu 20.04中，并没有提到关于模拟信号的相关内容。中提到了Line Out口输出的模拟信号，但是并没有涉及到Ubuntu 20.04的情况。而引用和中提到的内容与Ubuntu 20.04的模拟信号无关。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
#### 引用[.reference_title]
- *1* *3* [装完Ubuntu20.04 之后发现没有声音输出，解决方法](https://blog.csdn.net/sirobot/article/details/105803101)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
- *2* [交通模拟和可视化](https://download.csdn.net/download/weixin_42138703/15245421)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"]
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