Hi,
My pleasure..
On Tue, Oct 16, 2012 at 3:09 PM, Tamil Arasi <arasi...@gmail.com> wrote:
> Hi rahul,
>
>
>
> Thank u for ur code. this code is very useful to me .
>
>
> On Mon, Oct 15, 2012 at 2:54 PM, rahul B <tech.rah...@gmail.com> wrote:
>
>> Here I am posting some sample which works fine with me..
>>
>>
>> package com.audiotrack;
>>
>> import java.io.File;
>> import java.io.FileInputStream;
>> import java.io.IOException;
>> import java.nio.BufferUnderflowException;
>>
>> import android.app.Activity;
>> import android.media.AudioFormat;
>> import android.media.AudioManager;
>> import android.media.AudioTrack;
>> import android.os.Bundle;
>> import android.util.Log;
>> import android.view.View;
>> import android.view.View.OnClickListener;
>> import android.widget.Button;
>>
>> public class AudioPlayBackActivity extends Activity {
>>
>> /** Called when the activity is first created. */
>> @Override
>> public void onCreate(Bundle savedInstanceState) {
>> super.onCreate(savedInstanceState);
>> setContentView(R.layout.main);
>>
>> Button play = (Button) findViewById(R.id.button1);
>> play.setOnClickListener(new OnClickListener() {
>>
>> // @Override
>> public void onClick(View v) {
>>
>> String filePath = "/sdcard/voice8K16bitmono_sir.pcm";
>> if (filePath == null)
>> return;
>>
>> // Reading the file..
>> byte[] byteData = null;
>> File file = null;
>> file = new File(filePath);
>> byteData = new byte[(int) file.length()];
>> System.out.println("bytedata--" + byteData);
>> FileInputStream in = null;
>>
>> try {
>>
>> in = new FileInputStream(file);
>> in.read(byteData);
>> System.out.println("READING CARD-- " + in + "--BYTE Data--"
>> + byteData + byteData.length);
>> in.close();
>> } catch (IOException e) {
>> e.printStackTrace();
>> } catch (BufferUnderflowException e) {
>> e.printStackTrace();
>> }
>>
>> int dataSize = byteData.length / 2;
>> short[] shorts = byte2short(byteData);
>> int BufferElements2Play = 1024; // want to play 2048 (2K) since
>> // 2 bytes we use only 1024
>> int BytesPerElement = 2; // 2 bytes in 16bit format
>>
>> int intSize = android.media.AudioTrack.getMinBufferSize(8000,
>> AudioFormat.CHANNEL_OUT_MONO,
>> AudioFormat.ENCODING_PCM_16BIT);
>>
>> System.out.println("buffersize -- " + intSize);
>> AudioTrack at = new AudioTrack(AudioManager.STREAM_VOICE_CALL,
>> 8000, AudioFormat.CHANNEL_OUT_MONO,
>> AudioFormat.ENCODING_PCM_16BIT, BufferElements2Play
>> * BytesPerElement, AudioTrack.MODE_STREAM);
>>
>> if (at != null) {
>>
>> int shortLength = shorts.length;
>> int shortLengthOffset2Play = 0;
>>
>> System.out.println("SHORTS Data" + shortLength);
>> // Write the byte array to the track
>> at.write(shorts, 0, BufferElements2Play);
>> at.play();
>>
>> shortLengthOffset2Play += BufferElements2Play; // Wrote 512
>> // ushorts
>>
>> while (shortLengthOffset2Play < shortLength) {
>> try {
>> Thread.sleep(50);
>> } catch (InterruptedException e) {
>>
>> e.printStackTrace();
>> }
>> // Waiting, Simulating your condition of receiving data
>> // from server...
>> at.write(shorts, shortLengthOffset2Play,
>> BufferElements2Play);
>> // in your case it will 0, numberofShorts(2048)
>> shortLengthOffset2Play += BufferElements2Play;
>> System.out.println("shortlengthoffset --- "
>> + shortLengthOffset2Play);
>> // Wrote yet another 512 shorts
>> }
>> } else
>> Log.d("Audio", "audio track is not initialised ");
>> }
>>
>> private short[] byte2short(byte[] byteD) {
>> int byteArrsize = byteD.length / 2;
>> short[] shorts = new short[byteArrsize];
>> for (int i = 0; i < byteArrsize; i++) {
>> shorts[i] = (short) (byteD[i * 2] + (byteD[(i * 2) + 1] << 8));
>> }
>> return shorts;
>> }
>> });
>> }
>> }
>>
>> On Mon, Oct 15, 2012 at 12:36 PM, Asheesh Arya
>> <asheesharya...@gmail.com>wrote:
>>
>>> please refer this link
>>> http://www.benmccann.com/dev-blog/android-audio-recording-tutorial/
>>>
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