Audio in WEBGL on IOS devices

I have a problem getting my audioclips to play on ios devices in webgl. I have seen other canvas games with audio working so i know it is possible. Now after 3 days of trying to fix the issue with no luck i really hope you can help me with the problem. I know the solution where you can add some meta tags and save it as a Webapp on your phone. But that is not the solution i am looking for.

Here is an example of a game where the audio works fine on ios http://temple-run2.com/