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我想知道是否可以用Xcode以编程方式录制mp3格式的音频文件.

我已经阅读了大量的文件,我已经用Google搜索了,但没有结果.

请帮忙,如果有人知道这是怎么回事？

当我从iphone录制音频时如下:

//Setup the dictionary object with all the recording settings that this
            //Recording sessoin will use
            NSMutableDictionary* recordSetting = [[NSMutableDictionary alloc] init];
            [recordSetting setValue :[NSNumber numberWithInt:kAudioFormatAppleIMA4] forKey:AVFormatIDKey];
            [recordSetting setValue:[NSNumber numberWithFloat:44100.0] forKey:AVSampleRateKey];
            [recordSetting setValue:[NSNumber numberWithInt: 2] forKey:AVNumberOfChannelsKey];

            //Now that we have our settings we are going to instanciate an instance of our recorder instance.
            //Generate a temp file for use by the recording.
            NSDate *now = [NSDate dateWithTimeIntervalSinceNow:0];
            NSString *caldate = [now description];

            recordedTmpFile = [[NSString stringWithFormat:@"%@/%@.caf", DOCUMENTS_FOLDER, caldate] retain];
            NSLog(@"Using …