"Triad" in iOS was written for MP3-player back in the '90s

You are already familiar with the history of the origin of such components iOS, both borrowed from the Swiss railway company clock, and calculator-like device from Braun. It's time to tell about the signal "Triad" in gadgets from Cupertino.

Produced by Jacqueline Kelly (Kelly Jacklin) He said in his blog about how one day she was asked to write a short melody for applications SoundJam MPWhich is a music player for the Mac. Before Kelly had a difficult goal - it was to create a suitable warning signal when CD recording is completed: "I was looking for something very simple, but something that might attract attention User. " After long experiments with three- and chetyrohnotnymi sequences it came to the very same "triad" is familiar to almost all iPhone users.

But how this applies to iOS? It's simple - Apple subsequently bought SoundJam MP, what laid the foundation for iTunes. Melody by Jacqueline is so pleased with the company that first came into the main sound package for OS X, along then migrated to iOS.

Kelly kindly provided other options signals that were not selected. We offer them to your attention: