How to record audio

1. Import library AVFoundation



import AVFoundation



2. Declare global variable with type AVAudioRecorder



var audioRecorder:AVAudioRecorder!



3. In the funtion to record the audio
• Declare the directory where the files will be recorded



     let dirPath = NSSearchPathForDirectoriesInDomains(.DocumentDirectory, .UserDomainMask, true)[0] as String

• Declare the filename

     let recordingName = "my_audio.wav"

• Declare the filePath

     let pathArray = [dirPath, recordingName]
     let filePath = NSURL.fileURLWithPathComponents(pathArray)

• Set the settings

     let session = AVAudioSession.sharedInstance()
     try! session.setCategory(AVAudioSessionCategoryPlayAndRecord)

• Record the audio



     try! audioRecorder = AVAudioRecorder(URL: filePath!, settings: [:])
     audioRecorder.meteringEnabled = true
     audioRecorder.prepareToRecord()
     audioRecorder.record()

4. In the function to stop the record

     audioRecorder.stop()
     let audioSession = AVAudioSession.sharedInstance()
     try! audioSession.setActive(false)