What was the prototype of the application icons "Recorder" in iOS

Completely redesigned icons in iOS 7 liking not all users. It was a

 lot of criticism, but in the end used to. For all the hype we even missed an interesting secret that Apple stashed on one of the icons.

How do you think the designers were inspired by Apple, creating an application icon "Sound Recorder"? It is understood that this timing chart. That's just nobody had ever thought, what sounds or words he belongs.

Answer all the time lying on the surface, and found it one Mike Rundle. Start the recorder, click on the record and say: «Apple», then stop the recording. Compare the result with the icon of the application. Bingo.

That's the whole secret of application icons "Recorder", to which no one paid attention almost two years. Simply but effectively - in the style of Apple.

http://www.iphones.ru/iNotes/441342