- Download and install the latest SoX for Windows, and set it up on your PATH
- do NOT rename sox.exe, despite what the original rtl_fm documentation states
- Follow this stackoverflow comment to acquire and install libmad-0.dll and lbmp3lame-0.dll:
- Get the RTL-SDR API release zip for Windows:
- Unzip this, open a command prompt, and navigate to this directory's x32 folder.
- Plug in your RTL-SDR (assuming you've already installed its driver using Zadig or similar means)
- Run the following command:
Change "-f 97.29M" to the frequency of a local radio station for testing. I've tweaked the rates to better work with my NooElec NESDR Mini 2.
The C source code for rtl_fm can be found here: