Mindhue Studio

Printmaking, conceptual and installation art

Tag: dtmf

Patterns in the DTMF Number Pad

Today I am continuing on my interest in the tones used by wired telephony and the patterns made by same. I’ve managed to turn the tones used in the DTMF numberpad into visual representations and have started playing with the interactions between them. Some background: when you hear a “TouchTone™” sound, you’re hearing two set

DTMF Made Visible

Another bit of noodling I did over the past few days, I’m playing with the frequency mapping of the DTMF (or TouchTone™) sounds used in telephony. These tones are becoming less and less prevalent as mobile phones replace land lines, so this is something of a latter-day portrait of a mature technology. The colors are