Ashley test it on iPhone 6. Also watch this video and try to reproduce the same on your iPad Air 2: dropbox.com/s/zt692q1b2t7kx81/IMG_3112.MOV.mov?dl=0
— This distortion bug is a very old problem with Cordova. Since iOS 8. I have tried many times to say about it on this forum, but no one cared. Because everybody used CocoonJs at that time.
I also tried to solve the problem in different ways (since iOS 8!!!). 8000khz, 48000khz, 16bit, 24bit, mono, stereo, short file, long file etc., etc. Nothing is solved the problem once and for all. I am very frustrated with this problem. It seems that nobody is interested in, even Scirra themselves.