I'm bored, so I want to send a morse code to my friend via voice chat but...

[someone]

Well, I don't have a mic. So I want to send a morse code audio from a website to my friend via voice chat, but it doesn't work. Can someone help?

[Glimmer]

https://www.howtogeek.com/217348/how-to-record-the-sound-coming-from-your-pc-even-without-stereo-mix/

Stereo Mix looks like the ideal solution, but the page offers a few alternatives in case your hardware doesn't support it.