do you know what program/code did he use? Seems that i can't find it

https://www.youtube.com/watch?v=jrkHz9tAK7E Found something similar, but the creator of the video didn't share the code he used here.

I'm just curious

Thanks, but what if i want to broadcast "normal" radio (like music)?

Hi, i'm a new user from Italy (pizza mandolino berlusconi anyone?) and i have a question for you: Can i use a computer as a radio transmitter? Are there any programs that let me do that (with something like an antenna connected to the audio out) ? I know it's a bit off topic, but i wanted to know …