iOS音频格式转NSData（ 即时聊天等使用）

-(void)viewDidLoad

{

[superviewDidLoad];

self.view.backgroundColor = [UIColor whiteColor];

dispatch_queue_t dispatchQueue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT,0);

dispatch_async(dispatchQueue,^(void){

NSString*filePath = [[NSBundlemainBundle] pathForResource:@"Test" ofType:@"mp3"];

NSData* data= [NSData dataWithContentsOfFile:filePath];

NSError*error = nil;

self.audioPlay = [[AVAudioPlayer alloc] initWithData:data error:&error];

if(_audioPlay != nil) {

self.audioPlay.delegate = self;

} else {

NSLog(@"Error");

NSLog(@"%@", error.description);

}

});

// Do any additional setup after loadingthe view.

}

利用AsyncSocket进行数据传输，，，如果对数据要求不高可以用AsyncUdpSocket