diff --git a/README.md b/README.md
index 0342f71..a65b5bf 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 # AndroidAudioRecorder
 
-> A fancy audio recorder for Android. It supports `WAV` format.
+> A fancy audio recorder for Android. It supports `WAV` format at 48kHz.
 
 ![Screenshots](https://raw.githubusercontent.com/adrielcafe/AndroidAudioRecorder/master/demo.gif)
 
@@ -22,9 +22,17 @@ String filePath = Environment.getExternalStorageDirectory() + "/recorded_audio.w
 int color = getResources().getColor(R.color.colorPrimaryDark);
 int requestCode = 0;
 AndroidAudioRecorder.with(this)
+    // Required
     .setFilePath(filePath)
     .setColor(color)
     .setRequestCode(requestCode)
+    
+    // Optional
+    .setSource(AudioSource.MIC)
+    .setChannel(AudioChannel.STEREO)
+    .setSampleRate(AudioSampleRate.HZ_48000)
+    
+    // Start recording
     .record();
 ```
 
@@ -53,7 +61,7 @@ repositories {
 }
 
 dependencies {
-  compile 'com.github.adrielcafe:AndroidAudioRecorder:0.0.9'
+  compile 'com.github.adrielcafe:AndroidAudioRecorder:0.1.0'
 }
 ```
 
@@ -63,6 +71,7 @@ dependencies {
 - [X] Wave visualization based on this [player concept](https://dribbble.com/shots/2369760-Player-Concept)
 - [X] Play recorded audio
 - [X] Pause recording
+- [X] Configure audio source (Mic/Camcorder), channel (Stereo/Mono) and sample rate (8kHz to 48kHz)
 - [ ] Skip silence
 - [ ] Animations
 - [ ] Landscape screen orientation (only supports portrait at the moment)
diff --git a/app/src/main/java/cafe/adriel/androidaudiorecorder/example/MainActivity.java b/app/src/main/java/cafe/adriel/androidaudiorecorder/example/MainActivity.java
index 897edc4..da66bef 100644
--- a/app/src/main/java/cafe/adriel/androidaudiorecorder/example/MainActivity.java
+++ b/app/src/main/java/cafe/adriel/androidaudiorecorder/example/MainActivity.java
@@ -10,7 +10,9 @@
 import android.widget.Toast;
 
 import cafe.adriel.androidaudiorecorder.AndroidAudioRecorder;
-import cafe.adriel.androidaudiorecorder.Util;
+import cafe.adriel.androidaudiorecorder.model.AudioChannel;
+import cafe.adriel.androidaudiorecorder.model.AudioSampleRate;
+import cafe.adriel.androidaudiorecorder.model.AudioSource;
 
 public class MainActivity extends AppCompatActivity {
     private static final String AUDIO_FILE_PATH = Environment.getExternalStorageDirectory() + "/recorded_audio.wav";
@@ -44,9 +46,17 @@ protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 
     public void recordAudio(View v) {
         AndroidAudioRecorder.with(this)
+                // Required
                 .setFilePath(AUDIO_FILE_PATH)
                 .setColor(getResources().getColor(R.color.recorder_bg))
                 .setRequestCode(RECORD_AUDIO)
+
+                // Optional
+                .setSource(AudioSource.MIC)
+                .setChannel(AudioChannel.STEREO)
+                .setSampleRate(AudioSampleRate.HZ_48000)
+
+                // Start recording
                 .record();
     }
 
diff --git a/app/src/main/java/cafe/adriel/androidaudiorecorder/example/Util.java b/app/src/main/java/cafe/adriel/androidaudiorecorder/example/Util.java
new file mode 100644
index 0000000..a2b0c82
--- /dev/null
+++ b/app/src/main/java/cafe/adriel/androidaudiorecorder/example/Util.java
@@ -0,0 +1,17 @@
+package cafe.adriel.androidaudiorecorder.example;
+
+import android.app.Activity;
+import android.content.pm.PackageManager;
+import android.support.v4.app.ActivityCompat;
+import android.support.v4.content.ContextCompat;
+
+public class Util {
+
+    public static void requestPermission(Activity activity, String permission) {
+        if (ContextCompat.checkSelfPermission(activity, permission)
+                != PackageManager.PERMISSION_GRANTED) {
+            ActivityCompat.requestPermissions(activity, new String[]{permission}, 0);
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/lib/build.gradle b/lib/build.gradle
index 70c1d73..e20728f 100644
--- a/lib/build.gradle
+++ b/lib/build.gradle
@@ -19,7 +19,7 @@ android {
 }
 
 dependencies {
-    compile 'com.android.support:appcompat-v7:24.1.1'
+    compile 'com.android.support:appcompat-v7:24.2.1'
     compile 'com.kailashdabhi:om-recorder:1.1.0'
-    compile 'com.cleveroad:audiovisualization:0.9.4'
+    compile 'com.cleveroad:audiovisualization:1.0.0'
 }
\ No newline at end of file
diff --git a/lib/src/main/AndroidManifest.xml b/lib/src/main/AndroidManifest.xml
index 663bfed..a50fcba 100644
--- a/lib/src/main/AndroidManifest.xml
+++ b/lib/src/main/AndroidManifest.xml
@@ -3,9 +3,7 @@
     xmlns:android="http://schemas.android.com/apk/res/android"
     package="cafe.adriel.androidaudiorecorder">
 
-    <application
-        android:label="@string/app_name"
-        android:allowBackup="true">
+    <application android:label="@string/app_name">
         <activity
             android:name=".AudioRecorderActivity"
             android:theme="@style/Theme.AppCompat"
diff --git a/lib/src/main/java/cafe/adriel/androidaudiorecorder/AndroidAudioRecorder.java b/lib/src/main/java/cafe/adriel/androidaudiorecorder/AndroidAudioRecorder.java
index 82d7942..2f0d918 100644
--- a/lib/src/main/java/cafe/adriel/androidaudiorecorder/AndroidAudioRecorder.java
+++ b/lib/src/main/java/cafe/adriel/androidaudiorecorder/AndroidAudioRecorder.java
@@ -5,13 +5,24 @@
 import android.graphics.Color;
 import android.os.Environment;
 
+import cafe.adriel.androidaudiorecorder.model.AudioChannel;
+import cafe.adriel.androidaudiorecorder.model.AudioSampleRate;
+import cafe.adriel.androidaudiorecorder.model.AudioSource;
+
 public class AndroidAudioRecorder {
-    public static final String EXTRA_FILE_PATH = "filePath";
-    public static final String EXTRA_COLOR = "color";
+
+    protected static final String EXTRA_FILE_PATH = "filePath";
+    protected static final String EXTRA_COLOR = "color";
+    protected static final String EXTRA_SOURCE = "source";
+    protected static final String EXTRA_CHANNEL = "channel";
+    protected static final String EXTRA_SAMPLE_RATE = "sampleRate";
 
     private Activity activity;
 
     private String filePath = Environment.getExternalStorageDirectory() + "/recorded_audio.wav";
+    private AudioSource source = AudioSource.MIC;
+    private AudioChannel channel = AudioChannel.STEREO;
+    private AudioSampleRate sampleRate = AudioSampleRate.HZ_44100;
     private int color = Color.parseColor("#546E7A");
     private int requestCode = 0;
 
@@ -38,10 +49,28 @@ public AndroidAudioRecorder setRequestCode(int requestCode) {
         return this;
     }
 
+    public AndroidAudioRecorder setSource(AudioSource source) {
+        this.source = source;
+        return this;
+    }
+
+    public AndroidAudioRecorder setChannel(AudioChannel channel) {
+        this.channel = channel;
+        return this;
+    }
+
+    public AndroidAudioRecorder setSampleRate(AudioSampleRate sampleRate) {
+        this.sampleRate = sampleRate;
+        return this;
+    }
+
     public void record() {
         Intent intent = new Intent(activity, AudioRecorderActivity.class);
         intent.putExtra(EXTRA_FILE_PATH, filePath);
         intent.putExtra(EXTRA_COLOR, color);
+        intent.putExtra(EXTRA_SOURCE, source);
+        intent.putExtra(EXTRA_CHANNEL, channel);
+        intent.putExtra(EXTRA_SAMPLE_RATE, sampleRate);
         activity.startActivityForResult(intent, requestCode);
     }
 
diff --git a/lib/src/main/java/cafe/adriel/androidaudiorecorder/AudioRecorderActivity.java b/lib/src/main/java/cafe/adriel/androidaudiorecorder/AudioRecorderActivity.java
index ffcfd95..487286a 100644
--- a/lib/src/main/java/cafe/adriel/androidaudiorecorder/AudioRecorderActivity.java
+++ b/lib/src/main/java/cafe/adriel/androidaudiorecorder/AudioRecorderActivity.java
@@ -20,6 +20,9 @@
 import java.util.Timer;
 import java.util.TimerTask;
 
+import cafe.adriel.androidaudiorecorder.model.AudioChannel;
+import cafe.adriel.androidaudiorecorder.model.AudioSampleRate;
+import cafe.adriel.androidaudiorecorder.model.AudioSource;
 import omrecorder.AudioChunk;
 import omrecorder.OmRecorder;
 import omrecorder.PullTransport;
@@ -28,13 +31,16 @@
 public class AudioRecorderActivity extends AppCompatActivity
         implements PullTransport.OnAudioChunkPulledListener, MediaPlayer.OnCompletionListener {
 
+    private String filePath;
+    private AudioSource source;
+    private AudioChannel channel;
+    private AudioSampleRate sampleRate;
+    private int color;
+
     private MediaPlayer player;
     private Recorder recorder;
     private VisualizerHandler visualizerHandler;
 
-    private String filePath;
-    private int color;
-
     private Timer timer;
     private MenuItem saveMenuItem;
     private int recorderSecondsElapsed;
@@ -56,9 +62,15 @@ protected void onCreate(Bundle savedInstanceState) {
 
         if(savedInstanceState != null) {
             filePath = savedInstanceState.getString(AndroidAudioRecorder.EXTRA_FILE_PATH);
+            source = (AudioSource) savedInstanceState.getSerializable(AndroidAudioRecorder.EXTRA_SOURCE);
+            channel = (AudioChannel) savedInstanceState.getSerializable(AndroidAudioRecorder.EXTRA_CHANNEL);
+            sampleRate = (AudioSampleRate) savedInstanceState.getSerializable(AndroidAudioRecorder.EXTRA_SAMPLE_RATE);
             color = savedInstanceState.getInt(AndroidAudioRecorder.EXTRA_COLOR);
         } else {
             filePath = getIntent().getStringExtra(AndroidAudioRecorder.EXTRA_FILE_PATH);
+            source = (AudioSource) getIntent().getSerializableExtra(AndroidAudioRecorder.EXTRA_SOURCE);
+            channel = (AudioChannel) getIntent().getSerializableExtra(AndroidAudioRecorder.EXTRA_CHANNEL);
+            sampleRate = (AudioSampleRate) getIntent().getSerializableExtra(AndroidAudioRecorder.EXTRA_SAMPLE_RATE);
             color = getIntent().getIntExtra(AndroidAudioRecorder.EXTRA_COLOR, Color.BLACK);
         }
 
@@ -248,7 +260,7 @@ private void resumeRecording() {
             timerView.setText("00:00:00");
 
             recorder = OmRecorder.wav(
-                    new PullTransport.Default(Util.getMic(), AudioRecorderActivity.this),
+                    new PullTransport.Default(Util.getMic(source, channel, sampleRate), AudioRecorderActivity.this),
                     new File(filePath));
         }
         recorder.resumeRecording();
diff --git a/lib/src/main/java/cafe/adriel/androidaudiorecorder/Util.java b/lib/src/main/java/cafe/adriel/androidaudiorecorder/Util.java
index fa9b95a..c0b68c6 100644
--- a/lib/src/main/java/cafe/adriel/androidaudiorecorder/Util.java
+++ b/lib/src/main/java/cafe/adriel/androidaudiorecorder/Util.java
@@ -1,47 +1,34 @@
 package cafe.adriel.androidaudiorecorder;
 
-import android.app.Activity;
-import android.content.pm.PackageManager;
 import android.graphics.Color;
 import android.media.AudioFormat;
-import android.media.MediaRecorder;
 import android.os.Handler;
-import android.support.v4.app.ActivityCompat;
-import android.support.v4.content.ContextCompat;
 
-import omrecorder.AudioSource;
+import cafe.adriel.androidaudiorecorder.model.AudioChannel;
+import cafe.adriel.androidaudiorecorder.model.AudioSampleRate;
+import cafe.adriel.androidaudiorecorder.model.AudioSource;
+
 
 public class Util {
     private static final Handler HANDLER = new Handler();
-    private static final int AUDIO_FREQUENCY = 44100;
 
     private Util() {
     }
 
-    public static void requestPermission(Activity activity, String permission) {
-        if (ContextCompat.checkSelfPermission(activity, permission)
-                != PackageManager.PERMISSION_GRANTED) {
-            ActivityCompat.requestPermissions(activity, new String[]{permission}, 0);
-        }
-    }
-
     public static void wait(int millis, Runnable callback){
         HANDLER.postDelayed(callback, millis);
     }
 
-    public static AudioSource getMic() {
-        return new AudioSource.Smart(
-                MediaRecorder.AudioSource.MIC,
+    public static omrecorder.AudioSource getMic(AudioSource source,
+                                                AudioChannel channel,
+                                                AudioSampleRate sampleRate) {
+        return new omrecorder.AudioSource.Smart(
+                source.getSource(),
                 AudioFormat.ENCODING_PCM_16BIT,
-                AudioFormat.CHANNEL_IN_STEREO,
-                AUDIO_FREQUENCY);
+                channel.getChannel(),
+                sampleRate.getSampleRate());
     }
 
-    /**
-     * Function to check brightness of background color
-     * @param color
-     * @return true if color is bright
-     */
     public static boolean isBrightColor(int color) {
         if(android.R.color.transparent == color) {
             return true;
@@ -51,7 +38,6 @@ public static boolean isBrightColor(int color) {
                 rgb[0] * rgb[0] * 0.241 +
                 rgb[1] * rgb[1] * 0.691 +
                 rgb[2] * rgb[2] * 0.068);
-        //color is bright
         return brightness >= 200;
     }
 
diff --git a/lib/src/main/java/cafe/adriel/androidaudiorecorder/model/AudioChannel.java b/lib/src/main/java/cafe/adriel/androidaudiorecorder/model/AudioChannel.java
new file mode 100644
index 0000000..8235c7f
--- /dev/null
+++ b/lib/src/main/java/cafe/adriel/androidaudiorecorder/model/AudioChannel.java
@@ -0,0 +1,17 @@
+package cafe.adriel.androidaudiorecorder.model;
+
+import android.media.AudioFormat;
+
+public enum AudioChannel {
+    STEREO,
+    MONO;
+
+    public int getChannel(){
+        switch (this){
+            case MONO:
+                return AudioFormat.CHANNEL_IN_MONO;
+            default:
+                return AudioFormat.CHANNEL_IN_STEREO;
+        }
+    }
+}
\ No newline at end of file
diff --git a/lib/src/main/java/cafe/adriel/androidaudiorecorder/model/AudioSampleRate.java b/lib/src/main/java/cafe/adriel/androidaudiorecorder/model/AudioSampleRate.java
new file mode 100644
index 0000000..a0343b3
--- /dev/null
+++ b/lib/src/main/java/cafe/adriel/androidaudiorecorder/model/AudioSampleRate.java
@@ -0,0 +1,15 @@
+package cafe.adriel.androidaudiorecorder.model;
+
+public enum AudioSampleRate {
+    HZ_48000,
+    HZ_44100,
+    HZ_32000,
+    HZ_22050,
+    HZ_16000,
+    HZ_11025,
+    HZ_8000;
+
+    public int getSampleRate(){
+        return Integer.parseInt(name().replace("HZ_", ""));
+    }
+}
\ No newline at end of file
diff --git a/lib/src/main/java/cafe/adriel/androidaudiorecorder/model/AudioSource.java b/lib/src/main/java/cafe/adriel/androidaudiorecorder/model/AudioSource.java
new file mode 100644
index 0000000..daae49c
--- /dev/null
+++ b/lib/src/main/java/cafe/adriel/androidaudiorecorder/model/AudioSource.java
@@ -0,0 +1,17 @@
+package cafe.adriel.androidaudiorecorder.model;
+
+import android.media.MediaRecorder;
+
+public enum AudioSource {
+    MIC,
+    CAMCORDER;
+
+    public int getSource(){
+        switch (this){
+            case CAMCORDER:
+                return MediaRecorder.AudioSource.CAMCORDER;
+            default:
+                return MediaRecorder.AudioSource.MIC;
+        }
+    }
+}
\ No newline at end of file