this.mimeType = mimeType;
createVoice(url, crossOrigin);
MimeTypeSupport mimeTypeSupport = getMimeTypeSupport(mimeType);
switch (mimeTypeSupport) {
case MIME_TYPE_SUPPORT_READY:
setLoadState(LOAD_STATE_SUPPORTED_MAYBE_READY);
break;
case MIME_TYPE_NOT_SUPPORTED: