 And welcome again again this video is part of a series. I've been going over using programs for Morse code and other types of communication We've really been looking at mini modem, which is we're going to use in our final project here But I just want to show you a little more how it works again. It's all about the audio tones It's it's it's what the computer hears so you can transmit through radio But you can also record it through a microphone in fact some of the videos I've done if you turned on a receiver you should be able to receive some of the messages depending on the clarity But right here I have I put the font up really large on my machine here So hopefully you can see it and I'm going to run mini modem at a for receiving at a rate of 110 now I've already generated some output of our Example text of some addresses to a wave file on this computer that I'm going to play through my phone here and We should see those addresses start to appear here So I'm going to go ahead and start this up and you can see the light blinking here It's now listening through my microphone. I'm going to go ahead and click on that file And we can see that they start coming up on the screen here so 30 Memorial Drive 250 Hartford Avenue and scan them and of course it's all about 30 so the further away I get Still doing pretty good. It's picking it up. I can even be talking over it Okay I think we have a little bit of a blunder right there looks like there's an extra be there where they're supposed to Be a space but even this far away and not very loud my microphone is picking up again a little little thing So I can set this down here See it lost a little bit there, but it's still going for the most part. It's going through again Even with me talking over it and the microphone not being right there This is a fun way. You can you can put this information in audio files with music and Doing great right there And even if music's playing over it Depending on the the frequency of the tones and stuff you should still be able to decode stuff So you can put this noise in the background of a song which I've done before with psk 31 about 10 years ago That I think that one of my first albums that I wrote was called psk 31 something rather and the first song actually has Something in the background. I think it's just a link to my website This is a fun way you you could put I get just think about how sorry about that my SD card got full But as I was saying you could leave a message on someone's voicemail And then they can decode it later on or you can put a message hidden inside your voicemail message for when people call You just just fun things like that. That's the sort of thing. I love doing what sort of thing But again, we're gonna look at a practical use of transmitting important information for emergency workers in times where Their computer systems might be down and we still want to transmit that information But I just wanted to give a demonstration of this as you can see it's working pretty good Just playing not very loud out of my phone here to a microphone and even with me talking over it losing some characters When it's a far away, but once right there Everything's coming through. I thank you for watching. Please is it films by Chris calm That's Chris the K there's a link in description and if you like this video and want to see more like it Be sure to like share subscribe and comment. I thank you for watching as always I hope that you have a great day