AVAudioPlayer - Metering - Want to build a waveform (graph)

Question

I need to build a visual graph that represents voice levels (dB) in a recorded file. I tried to do it this way:

NSError *error = nil;
AVAudioPlayer *meterPlay         


        

Answer 1

Ok guys, seems I'm going to answer my own question again: http://www.supermegaultragroovy.com/blog/2009/10/06/drawing-waveforms/ No a lot of concretics, but at least you will know what Apple docs to read.