I would like to create this sound/sin wave that looks like the dynamic audio wave Siri in iOS 7 has:
I know how to create and animate UIBezierCurve sin shape and I googled a lot, but I haven't found and have no idea how to achieve this effect.
The line starts flat, than waves and ends flat. I'm not woking with any sound file(s), just the effect of random waving would suffice.
Maybe you could try the SCSiriWaveformView's library for iOS, based on OSX's SISinusWaveView: