如何在iOS上以图形方式实现和显示Sound Amplitude？

Question

The task is to show amplitude of the voice spoken into the Mic of the phone and show the amplitude like this:

Can someone please guide me how can i achieve this.

Thanks everyone.

Answer 1

is not so easy..

you can check:

• for the "animated wave graph" you can check Apple example " aurioTouch "
• for handling audio you can check also " SpeakHere "

Answer 2

Look into Core Graphics and drawRect.

Helped you search:

How do I draw a line on the iPhone?

Answer 3

我相信，这只能通过核心情节框架内完成..你可以看看这里布拉德拉尔森的答案。