https://blog.gongquiz.com/2021/04/22/%ed%99%88%eb%a0%88%ec%bd%94%eb%94%a9-%ec%98%a4%eb%94%94%ec%98%a4-%ec%9d%b8%ed%84%b0%ed%8e%98%ec%9d%b4%ec%8a%a4-%ec%9e%a5%eb%b9%84-%ec%9e%85%eb%ac%b8-%ea%b0%80%ec%9d%b4%eb%93%9c-home-recording-audio-in/