-(void)testClick{
[_recorder record];
[self performSelector:@selector(stopRecorder) withObject:nil afterDelay:15];
}
-(void)stopRecorder{
[_recorder stop];
// NSString* path = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES).lastObject stringByAppendingPathComponent:@"tmp/aaa"];
// NSURL* url = [NSURL fileURLWithPath:path];
// NSData *data = [NSData dataWithContentsOfURL:url];
// [data writeToFile:[NSTemporaryDirectory() stringByAppendingPathComponent:@"tmp/aaa"] atomically:YES];
NSLog(@"voicerecorder stop");
}
-(void)configRecorder{
//设置音频会话
NSError *sessionError;
[[AVAudioSession sharedInstance] setCategory:AVAudioSessionCategoryRecord error:&sessionError];
if (sessionError){
NSLog(@"Error creating session: %@",[sessionError description]);
}else{
[[AVAudioSession sharedInstance] setActive:YES error:&sessionError];
}
NSError *error = nil;
NSMutableDictionary *recordSetting = [[NSMutableDictionary alloc]init];
[recordSetting setObject:[NSNumber numberWithInt:kAudioFormatLinearPCM] forKey:AVFormatIDKey];
[recordSetting setObject:[NSNumber numberWithFloat:22050] forKey:AVSampleRateKey];
[recordSetting setObject:[NSNumber numberWithInt:2] forKey:AVNumberOfChannelsKey];
[recordSetting setObject:[NSNumber numberWithInt:16] forKey:AVLinearPCMBitDepthKey];
//是否使用浮点数采样
[recordSetting setObject:@(YES) forKey:AVLinearPCMIsFloatKey];
[recordSetting setObject:[NSNumber numberWithInt:AVAudioQualityHigh] forKey:AVEncoderAudioQualityKey];
NSString* path = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES).lastObject stringByAppendingPathComponent:@"aaa.wav"];
NSURL* url = [NSURL fileURLWithPath:path];
_recorder = [[AVAudioRecorder alloc] initWithURL:url settings:recordSetting error:nil];
_recorder.meteringEnabled = YES;
[_recorder prepareToRecord];
}温馨提示：AVFormatIDKey 涉及到编码方式，又几十种枚举值，经他人试过几种后，kAudioFormatLinearPCM会编码成wav编码格式，这种格式苹果和安卓都可以直接播放，亲测