Load audio from persistent data

Audio & Video
1

Hi,
I am using Unty 5.5.0 and I want to load an audio from persistent data folder and to built it for standalone.
I wrote audioSource.clip = www.audioClip; and I got this error:

Error: Cannot create FMOD::Sound instance for resource qB, (Unsupported file or audio format. )
UnityEngine.WWW:GetAudioClip(Boolean, Boolean, AudioType)
App_10.Logic.c__Iterator0:MoveNext() (at Assets/Application/10/Code/Logic/AVProVideo.cs:113)
UnityEngine.SetupCoroutine:InvokeMoveNext(IEnumerator, IntPtr)

Then I wrote:
audioSource.clip = [www.GetAudioClip(true](http://www.GetAudioClip(true), true, AudioType.OGGVORBIS);

I got the same error.
Any Idea?

2

Should the format be ogg or oggvorbis?