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When I was 12 or 13 I wrote a program that transmitted data over speaker and microphone. It would generate a 90ms tone for each byte and a 10ms silence. It was
by jermaustin1 7y ago
When I was 12 or 13 I wrote a program that transmitted data over speaker and microphone. It would generate a 90ms tone for each byte and a 10ms silence.
It wasn't elegant, and most of the code was stolen from Planet Source Code, but it worked mostly.
- widdershins 7y agoWhat did it sound like?
- jermaustin1 7y agoFor the most part like a less dynamic modem. Less EEEE-OOOO-SCRSHHHH and more EEE-EEE-EEE it had a base tone of something middle-c like (can't recall, it was 20 years ago now) add just added the byte value with a modifier on top of the base. So for long stretches of it it was just to my ear pretty much the same sound, especially when transmitting ascii text.