Thanks, it's way less cool when I write spectrogram instead of spectrograph. My mistake on that part. If you use those tools, it's really straight forward proc

Thanks, it's way less cool when I write spectrogram instead of spectrograph. My mistake on that part. If you use those tools, it's really straight forward process of using the tools. I didn't know about Audacity until I had spent most of my time figuring out ffmpeg/ffplay. It was an amateur effort, but I've done a lot of security analysis.