shows incorrect file format
<p>by using above code i am able to generate mp3 file but when i try to validate its format it shows not a mp3</p>

<pre><code>mr = new MediaRecorder();
mr.setAudioSource(MediaRecorder.AudioSource.VOICE_DOWNLINK);
mr.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4); 
mr.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
mr.setOutputFile(Environment.getExternalStorageDirectory()+File.separator+"aa1.mp3");`
</code></pre>

<p>How to generate valid mp3 in android                                                                                            </p>
