ios音频录制和播放，文件很小。压缩效果不错

#pragma mark - 开始录音---test

- (void)beginRecordByFileName:(NSString*)_fileName

{

    

    //设置文件名和录音路径

    self.recordFileName = _fileName;

    self.recordFilePath = [VoiceRecorderBaseVCgetPathByFileName:self.recordFileNameofType:@"wav"];

    

    

    NSError *error = [[NSError alloc] init];

    //初始化录音

    self.recorder = [[[AVAudioRecorderalloc] initWithURL:[NSURLfileURLWithPath:self.recordFilePath] settings:[VoiceRecorderBaseVCgetAudioRecorderSettingDict]  error:&error]autorelease];

    

    recorder.delegate = self;

    recorder.meteringEnabled = YES;

    

    [recorderprepareToRecord];

    

    //开始录音

    [[AVAudioSessionsharedInstance] setCategory: AVAudioSessionCategoryPlayAndRecorderror:nil];

    [[AVAudioSessionsharedInstance] setActive:YESerror:nil];

 

    [recorder record];

    

}

#pragma mark - wavToAmr转换

- (IBAction)wav2Amr:(id)sender {

    if (_originWav.length > 0){

        self.convertAmr = [_originWavstringByAppendingString:@"wavToAmr"];

        //转格式

        NSFileManager* fm=[NSFileManagerdefaultManager];

        NSData *wavdata = [fm contentsAtPath:[VoiceRecorderBaseVC getPathByFileName:_originWav ofType:@"wav"]];

        NSString * wav = [NSString stringWithFormat:@"wavLength = %lu",(unsigned long)wavdata.length];

        self.wavLabel.text = wav;

        [VoiceConverterwavToAmr:[VoiceRecorderBaseVCgetPathByFileName:_originWavofType:@"wav"] amrSavePath:[VoiceRecorderBaseVCgetPathByFileName:_convertAmrofType:@"amr"]];

        //发送音频数据   因为要播放无压缩音频，因此音频名字上传是原wav名,但上传的data数据是转换后的arm

        NSData* data = [NSDatadataWithContentsOfFile:[VoiceRecorderBaseVCgetPathByFileName:_convertAmrofType:@"amr"]];

        NSLog(@"amrlength = %lu",(unsigned long)data.length);

        NSString * amr = [NSString stringWithFormat:@"amrlength = %lu",(unsigned long)data.length];

        self.amrLabel.text = amr;

    }

}

#pragma mark - 开始录音

- (IBAction)startButtonAction:(id)sender {

    startdate = [NSDate date];

    self.timeLabel.text = [NSStringstringWithFormat:@"%@",startdate];

    //设置文件名

    self.originWav = [VoiceRecorderBaseVCgetCurrentTimeString];

    //开始录音

    [selfbeginRecordByFileName:self.originWav];

}

#pragma mark - 停止录音

- (IBAction)stopButtonAction:(id)sender {

    stopdate = [NSDate date];

    self.stopTimeLabel.text = [NSStringstringWithFormat:@"%@",stopdate];

    //停止录音

    if (recorder.isRecording){

        [recorder stop];

    }

    //回调录音文件路径

    if ([self.vrbDelegate respondsToSelector:@selector(VoiceRecorderBaseVCRecordFinish:fileName:)]){

        [self.vrbDelegateVoiceRecorderBaseVCRecordFinish:recordFilePathfileName:recordFileName];

    }

}

#pragma mark - 播放录音

- (IBAction)playVoiceButtonAction:(id)sender {

    if ([[NSFileManagerdefaultManager] fileExistsAtPath:[VoiceRecorderBaseVCgetPathByFileName:_originWavofType:@"wav"]]) {

        player = [playerinitWithContentsOfURL:[NSURLfileURLWithPath:[VoiceRecorderBaseVCgetPathByFileName:_originWavofType:@"wav"]] error:nil];

        

        if (![player isPlaying]) {

            player.delegate = self;

            [player play];

        }

        

    }

 

}

评论

5 楼 用户6006038975 2016-09-23  

macd2666 写道

录制出来的语音声音好轻啊。

你好,这个编译错误是怎么破的?

4 楼 用户6006038975 2016-09-23  

macd2666 写道

录制出来的语音声音好轻啊。

3 楼 用户6006038975 2016-09-23  

linker command failed with exit code 1 (use -v to see invocation)
你好,感谢分享,
这个编译错误?

2 楼 macd2666 2016-03-19  

录制出来的语音声音好轻啊。

1 楼 权勤扬 2013-12-23  

编译不过，能告诉下？