test
- (void)playAudio {
NSString *path = [[NSBundle mainBundle] pathForResource:@"test" ofType:@"m4r"];
NSURL *file = [[NSURL alloc] initFileURLWithPath:path];
// [path release];
self.player =[[AVAudioPlayer alloc] initWithContentsOfURL:file error:nil];
//[file release];
[self.player prepareToPlay];
[self.player play];