title: Is It Possible to Record Audio Through Android Emulator?
body: <p>I am Working On a Medical Project and the app can able to record the conversation between doctor and patient and send it for Transcription.</p>
  
  <p><strong>Assignment :</strong> Basically App is for Recording and Playing the recorded audio.<br>
  <strong>Problem :</strong>  When ever recording starts, it records 10-20 seconds after that LogCat Shows: </p>
  
  <pre><code>05-07 11:42:52.502: W/MediaProfiles(6321): could not find media config xml file
  05-07 11:42:52.522: I/MPEG4Writer(6321): limits: 2147483647/0 bytes/us, bit rate: 12200 bps and the estimated moov size 3072 bytes
  05-07 11:42:52.532: E/AudioFlinger(6321): Error reading audio input
  05-07 11:42:58.432: W/AudioRecord(6321): obtainBuffer timed out (is the CPU pegged?) user=00000000, server=00000000
  05-07 11:42:58.432: E/AudioFlinger(6321): Error reading audio input
  05-07 11:43:03.403: W/AudioRecord(6321): obtainBuffer timed out (is the CPU pegged?) user=00000000, server=00000000
  05-07 11:43:03.403: E/AudioFlinger(6321): Error reading audio input
  05-07 11:43:03.403: A/AudioSource(6321): frameworks/base/media/libstagefright/AudioSource.cpp:327 timestampUs &gt; mPrevSampleTimeUs
  05-07 11:43:03.612: I/DEBUG(31): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
  05-07 11:43:03.612: I/DEBUG(31): Build fingerprint: 'generic/sdk/generic:2.3.3/GRI34/101070:eng/test-keys'
  05-07 11:43:03.612: I/DEBUG(31): pid: 6321, tid: 6442  &gt;&gt;&gt; /system/bin/mediaserver &lt;&lt;&lt;
  05-07 11:43:03.612: I/DEBUG(31): signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr deadbaad
  05-07 11:43:03.622: I/DEBUG(31):  r0 deadbaad  r1 0000fef8  r2 00000027  r3 00000000
  05-07 11:43:03.632: I/DEBUG(31):  r4 00000080  r5 afd46668  r6 40806d78  r7 40806d7c
  05-07 11:43:03.632: I/DEBUG(31):  r8 a2f51fa1  r9 0000fd28  10 00100000  fp 00000001
  05-07 11:43:03.632: I/DEBUG(31):  ip ffffffff  sp 408068e0  lr afd19d8f  pc afd15ef0  cpsr 00000030
  05-07 11:43:03.922: I/DEBUG(31):          #00  pc 00015ef0  /system/lib/libc.so
  05-07 11:43:03.922: I/DEBUG(31):          #01  pc 00001440  /system/lib/liblog.so
  05-07 11:43:03.922: I/DEBUG(31): code around pc:
  05-07 11:43:03.932: I/DEBUG(31): afd15ed0 68241c23 d1fb2c00 68dae027 d0042a00 
  05-07 11:43:03.932: I/DEBUG(31): afd15ee0 20014d18 6028447d 48174790 24802227 
  05-07 11:43:03.932: I/DEBUG(31): afd15ef0 f7f57002 2106eb56 ec92f7f6 0563aa01 
  05-07 11:43:03.932: I/DEBUG(31): afd15f00 60932100 91016051 1c112006 e818f7f6 
  05-07 11:43:03.932: I/DEBUG(31): afd15f10 2200a905 f7f62002 f7f5e824 2106eb42 
  05-07 11:43:03.942: I/DEBUG(31): code around lr:
  05-07 11:43:03.942: I/DEBUG(31): afd19d6c 230ed505 21005ec0 f7f12202 89a2ebec 
  05-07 11:43:03.942: I/DEBUG(31): afd19d7c 1c294804 81a04010 5ea0220e f7f11c32 
  05-07 11:43:03.942: I/DEBUG(31): afd19d8c bd70eb72 ffffefff 1c04b510 5ec0230e 
  05-07 11:43:03.942: I/DEBUG(31): afd19d9c eb58f7f1 db032800 180b6d21 e0036523 
  05-07 11:43:03.952: I/DEBUG(31): afd19dac 4b0289a2 81a34013 46c0bd10 ffffefff 
  05-07 11:43:03.952: I/DEBUG(31): stack:
  05-07 11:43:03.952: I/DEBUG(31):     408068a0  00000008  
  05-07 11:43:03.952: I/DEBUG(31):     408068a4  afd18407  /system/lib/libc.so
  05-07 11:43:03.952: I/DEBUG(31):     408068a8  afd42604  /system/lib/libc.so
  05-07 11:43:03.952: I/DEBUG(31):     408068ac  afd46784  
  05-07 11:43:03.952: I/DEBUG(31):     408068b0  00000000  
  05-07 11:43:03.952: I/DEBUG(31):     408068b4  afd19375  /system/lib/libc.so
  05-07 11:43:03.952: I/DEBUG(31):     408068b8  00000009  
  05-07 11:43:03.963: I/DEBUG(31):     408068bc  afd183d9  /system/lib/libc.so
  05-07 11:43:03.963: I/DEBUG(31):     408068c0  afa01199  /system/lib/liblog.so
  05-07 11:43:03.963: I/DEBUG(31):     408068c4  00000000  
  05-07 11:43:03.963: I/DEBUG(31):     408068c8  afd46668  
  05-07 11:43:03.963: I/DEBUG(31):     408068cc  40806d78  
  05-07 11:43:03.963: I/DEBUG(31):     408068d0  40806d7c  
  05-07 11:43:03.963: I/DEBUG(31):     408068d4  afd18677  /system/lib/libc.so
  05-07 11:43:03.963: I/DEBUG(31):     408068d8  df002777  
  05-07 11:43:03.963: I/DEBUG(31):     408068dc  e3a070ad  
  05-07 11:43:03.963: I/DEBUG(31): #00 408068e0  408068dc  
  05-07 11:43:03.963: I/DEBUG(31):     408068e4  00000001  
  05-07 11:43:03.972: I/DEBUG(31):     408068e8  a303abbe  /system/lib/libstagefright.so
  05-07 11:43:03.972: I/DEBUG(31):     408068ec  0000000c  
  05-07 11:43:03.972: I/DEBUG(31):     408068f0  40806914  
  05-07 11:43:03.972: I/DEBUG(31):     408068f4  fffffbdf  
  05-07 11:43:03.972: I/DEBUG(31):     408068f8  00000001  
  05-07 11:43:03.972: I/DEBUG(31):     408068fc  40806914  
  05-07 11:43:03.972: I/DEBUG(31):     40806900  a303abbe  /system/lib/libstagefright.so
  05-07 11:43:03.972: I/DEBUG(31):     40806904  afa01443  /system/lib/liblog.so
  05-07 11:43:03.983: I/DEBUG(31): #01 40806908  40806914  
  05-07 11:43:03.983: I/DEBUG(31):     4080690c  afa01443  /system/lib/liblog.so
  05-07 11:43:03.983: I/DEBUG(31):     40806910  40806d2c  
  05-07 11:43:03.983: I/DEBUG(31):     40806914  6d617266  
  05-07 11:43:03.983: I/DEBUG(31):     40806918  726f7765  
  05-07 11:43:03.983: I/DEBUG(31):     4080691c  622f736b  
  05-07 11:43:03.983: I/DEBUG(31):     40806920  2f657361  
  05-07 11:43:03.983: I/DEBUG(31):     40806924  6964656d  
  05-07 11:43:03.983: I/DEBUG(31):     40806928  696c2f61  
  05-07 11:43:03.983: I/DEBUG(31):     4080692c  61747362  
  05-07 11:43:03.983: I/DEBUG(31):     40806930  72666567  
  05-07 11:43:03.983: I/DEBUG(31):     40806934  74686769  
  05-07 11:43:03.992: I/DEBUG(31):     40806938  6475412f  
  05-07 11:43:03.992: I/DEBUG(31):     4080693c  6f536f69  
  05-07 11:43:03.992: I/DEBUG(31):     40806940  65637275  
  05-07 11:43:03.992: I/DEBUG(31):     40806944  7070632e  
  05-07 11:43:03.992: I/DEBUG(31):     40806948  3732333a  
  05-07 11:43:03.992: I/DEBUG(31):     4080694c  6d697420  
  05-07 11:43:05.342: I/BootReceiver(61): Copying /data/tombstones/tombstone_03 to DropBox (SYSTEM_TOMBSTONE)
  05-07 11:43:05.372: W/IMediaDeathNotifier(386): media server died
  05-07 11:43:05.372: I/ServiceManager(28): service 'media.audio_flinger' died
  05-07 11:43:05.372: I/ServiceManager(28): service 'media.audio_policy' died
  05-07 11:43:05.372: I/ServiceManager(28): service 'media.player' died
  05-07 11:43:05.372: I/ServiceManager(28): service 'media.camera' died
  05-07 11:43:05.382: W/AudioSystem(61): AudioFlinger server died!
  05-07 11:43:05.382: W/AudioSystem(61): AudioPolicyService server died!
  05-07 11:43:05.632: D/dalvikvm(61): GC_CONCURRENT freed 1046K, 47% free 4504K/8391K, external 3520K/3903K, paused 8ms+19ms
  05-07 11:43:06.072: I/(6479): ServiceManager: 0xad50
  05-07 11:43:06.072: D/AudioHardwareInterface(6479): setMode(NORMAL)
  05-07 11:43:06.072: I/CameraService(6479): CameraService started (pid=6479)
  05-07 11:43:06.082: I/AudioFlinger(6479): AudioFlinger's thread 0xc658 ready to run
  05-07 11:43:06.908: E/AudioService(61): Media server died.
  05-07 11:43:06.912: E/AudioService(61): Media server started.
  05-07 11:43:06.922: D/AudioHardwareInterface(6479): setMode(NORMAL)
  05-07 11:43:06.922: W/AudioPolicyManagerBase(6479): setPhoneState() setting same state 0
  </code></pre>
  
  <p><strong>Code:</strong></p>
  
  <pre><code>protected String doInBackground(MediaRecorder... params) {
              mFileName = Environment.getExternalStorageDirectory().getAbsolutePath();
              mFileName += "/_audioDirectory/" time +"/"+f_Name+ ".mp3";
              mRecorder = new MediaRecorder();
              mRecorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
              mRecorder.setOutputFormat(MediaRecorder.OutputFormat.DEFAULT);
              mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
              mRecorder.setOutputFile(mFileName);
  
              try {
                  mRecorder.prepare();
              } catch (Exception e) {
                  Log.e(LOG_TAG, e.toString());
              }
              mRecorder.start();
              Log.i("recording starts", "now");
              return "success";
          }
  </code></pre>
  
  <p>I gone through <a href="http://developer.android.com/reference/android/media/MediaRecorder.html" rel="nofollow noreferrer">Android Documentation</a> and its clearly mention MediaRecorder does not work on the emulator.Right Now i dont have android phone to test.</p>
  
  <p>also :
  <a href="https://stackoverflow.com/questions/5254994/can-the-android-emulator-record-and-play-back-audio-using-pc-hardware">Here</a>   <a href="https://stackoverflow.com/questions/7953840/can-not-use-mediarecorder-on-android-emulator-is-the-storage-location-wrong?lq=1">Here</a>   <a href="http://i-liger.com/article/android-wav-audio-recording" rel="nofollow noreferrer">Here</a></p>