NSURL*url =[NSURL fileURLWithPath:path]; AVAudioRecorder*recorder =[[AVAudioRecorder alloc] initWithURL:url settings:nil error:nil];//缓冲[recorder prepareToRecord];//开启分贝测量功能recorder.meteringEnabled =YES;//开始录音[recorder record]; self.recorder=recorder;//开启定时器[self addTimer]; }-(IBAction)stopRecord {//[self.recorder stop];}@end