Bitrate by default for Audio Recording with MediaRecorder
<p>With java class <code>MediaRecorder</code>, you can record audio with encoder AMR NB (4.75 to 12.2 kbps sampled @ 8kHz)</p>

<p>I developed an app for a mobile with Android 2.2 and the bit rate used was 12.2 kbps by default, but I installed the same apk in a mobile with Android 2.3.3 and I think that bit rate changed to 4.75 kbps by default. Is it normal? The mobile used is Nexus One.</p>

<p>The codec lines for this issue are:</p>

<pre><code>mrecorder.setAudioSource(MediaRecorder.AudioSource.MIC); 
mrecorder.setOutputFormat(MediaRecorder.OutputFormat.RAW_AMR);
mrecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
</code></pre>

<p>I tried to force <code>MediaRecorder</code> to use a specific bitrate with <code>setAudioEncodingBitRate(int bitRate)</code> but it didn´t work.</p>

<p>I don´t understand why bitrate has decreased.</p>
