Audio record

gistfile1.java

 public static final int FREQUENCY = 44100;
 public static final int CHANNEL_CONFIGURATION = AudioFormat.CHANNEL_CONFIGURATION_MONO;
 public static final int AUDIO_ENCODING =  AudioFormat.ENCODING_PCM_16BIT;
        

private void recordSound(){
        File file = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "/"+RECORDED_FILENAME);
        
        // Delete any previous recording.
        if (file.exists())
                file.delete();
        
        try {
                        file.createNewFile();
                        
                        // Create a DataOuputStream to write the audio data into the saved file.
                        OutputStream os = new FileOutputStream(file);
                        BufferedOutputStream bos = new BufferedOutputStream(os);
                        DataOutputStream dos = new DataOutputStream(bos);
                        
                        
                        
                        // Create a new AudioRecord object to record the audio.
                        int bufferSize = AudioRecord.getMinBufferSize(FREQUENCY, CHANNEL_CONFIGURATION, AUDIO_ENCODING);
                        AudioRecord audioRecord = new AudioRecord(MediaRecorder.AudioSource.MIC, FREQUENCY, CHANNEL_CONFIGURATION, AUDIO_ENCODING, bufferSize);
                        
                        short[] buffer = new short[bufferSize]; 
                        audioRecord.startRecording();


                        while (isRecording) {
                                int bufferReadResult = audioRecord.read(buffer, 0, bufferSize);
                                for (int i = 0; i < bufferReadResult; i++)
                                        dos.writeShort(buffer[i]);
                        }


                        audioRecord.stop();
                        audioRecord.release();
                        dos.close();
                } catch (FileNotFoundException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                } catch (IllegalArgumentException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                } catch (IllegalStateException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                } catch (IOException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                }
        
    }