I am using nearly the similar configuration for some audio recording and play back than you.
Try to check whether you get some better audio quality when you use AudioManager.STREAM_MUSIC instead of STREAM_SYSTEM. -- Roman Baumgaertner Sr. SW Engineer-OSDC ·T· · ·Mobile· stick together The views, opinions and statements in this email are those of the author solely in their individual capacity, and do not necessarily represent those of T-Mobile USA, Inc. On Nov 2, 12:35 am, raghu <[email protected]> wrote: > hi, > android audio issue > using mic i am recording the audio and i am playing it, but the > voice quality is not good > and some kaar kaar ... sound is there > why the voice quality is not good ? > why is that kaar kaar sound ? > > help required > > i have set the permission in .xml file also > android.permission.INTERNET, > android.permission.MODIFY_AUDIO_SETTINGS, > android.permission.RECORD_AUDIO, android.permission.WRITE_SETTINGS > > below is the code i am using to record the audio and play it is > there any wrong in the code : > > public void onCreate(Bundle savedInstanceState) > { > super.onCreate(savedInstanceState); > setContentView(R.layout.main); > > byte[] Buffer = new byte [80000] ; > > int Size = 320 ; > int BuffLen = 1 ; > int SizeSoFar = 0 ; > int MinBuffSize ; > int Written = 0 ; > int temp = 0 ; > > AudioRecord audioRecord = new AudioRecord > (MediaRecorder.AudioSource.MIC, 8000, > AudioFormat.CHANNEL_CONFIGURATION_MONO, > AudioFormat.ENCODING_PCM_16BIT, 4096) > ; > audioRecord.startRecording () ; > > MinBuffSize = AudioRecord.getMinBufferSize(8000,2,2); > > Log.i ("--PRINT--", "minimum buf size : " + MinBuffSize) ; > > AudioTrack track = new AudioTrack (AudioManager.STREAM_SYSTEM, > 8000, AudioFormat.CHANNEL_CONFIGURATION_MONO , > AudioFormat.ENCODING_PCM_16BIT, > 4096, AudioTrack.MODE_STREAM) ; > > track.play() ; > > while (BuffLen != 0) > { > while (temp == 0) > { > SizeSoFar += audioRecord.read (Buffer, SizeSoFar, > Size) ; > temp = 1 ; > } > > temp = 0 ; > SizeSoFar = 0 ; > Written = track.write (Buffer, 0, Size) ; > try > { > Thread.sleep (5) ; > } > catch (InterruptedException e) > { > // TODO Auto-generated catch block > e.printStackTrace() ; > } > } > audioRecord.stop() ; > track.stop() ; > } -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
