1 /* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.speechrecorder; 18 19 import android.app.Activity; 20 import android.os.Bundle; 21 import android.os.Handler; 22 import android.speech.srec.Recognizer; 23 import android.speech.srec.WaveHeader; 24 import android.speech.srec.MicrophoneInputStream; 25 import android.util.Log; 26 import android.view.View; 27 import android.view.View.OnClickListener; 28 import android.widget.Button; 29 import android.widget.RadioButton; 30 import android.widget.TextView; 31 import java.io.BufferedWriter; 32 import java.io.ByteArrayOutputStream; 33 import java.io.File; 34 import java.io.FileFilter; 35 import java.io.FileOutputStream; 36 import java.io.FileWriter; 37 import java.io.IOException; 38 import java.io.InputStream; 39 import java.io.OutputStream; 40 41 public class SpeechRecorderActivity extends Activity { 42 private static final String TAG = "SpeechRecorderActivity"; 43 44 private static final int DURATION_SEC = 7; 45 46 private Handler mHandler; 47 48 private TextView mCommand; 49 private TextView mStatus; 50 private Button mRecord; 51 private Button mRedo; 52 private RadioButton m8KHz; 53 private RadioButton m11KHz; 54 private RadioButton mCall; 55 private RadioButton mDialNanp; 56 private RadioButton mDialPairs; 57 58 private InputStream mMicrophone; 59 private ByteArrayOutputStream mBaos; 60 61 private File mUtterance; 62 private int mSampleRate; 63 private Thread mThread; 64 private boolean mStoppedListening; 65 66 @Override 67 protected void onCreate(Bundle icicle) { 68 super.onCreate(icicle); 69 70 mHandler = new Handler(); 71 72 setContentView(R.layout.recorder); 73 mCommand = (TextView) findViewById(R.id.commandText); 74 mStatus = (TextView) findViewById(R.id.statusText); 75 mRecord = (Button) findViewById(R.id.recordButton); 76 mRedo = (Button) findViewById(R.id.redoButton); 77 m8KHz = (RadioButton)findViewById(R.id.codec8KHzRadioButton); 78 m11KHz = (RadioButton)findViewById(R.id.codec11KHzRadioButton); 79 mCall = (RadioButton)findViewById(R.id.callRadioButton); 80 mDialNanp = (RadioButton)findViewById(R.id.dialNanpRadioButton); 81 mDialPairs = (RadioButton)findViewById(R.id.dialPairsRadioButton); 82 83 mCommand.setText("Please click 'Record' to begin"); 84 mRecord.setOnClickListener(new OnClickListener() { 85 public void onClick(View v) { 86 if (false) { 87 Log.d(TAG, "mRecord.OnClickListener.onClick"); 88 } 89 90 setupRecording(); 91 } 92 }); 93 94 mRedo.setEnabled(false); 95 mRedo.setOnClickListener(new OnClickListener() { 96 public void onClick(View v) { 97 if (false) { 98 Log.d(TAG, "mRedo.onClickListener.onClick"); 99 } 100 101 mUtterance.delete(); 102 103 setupRecording(); 104 } 105 }); 106 107 m8KHz.setText("PCM/16bit/8KHz"); 108 m11KHz.setText("PCM/16bit/11KHz"); 109 m11KHz.setChecked(true); 110 mCall.setChecked(true); 111 } 112 113 private void setupRecording() { 114 Log.d(TAG, "setupRecording"); 115 // disable buttons 116 mRedo.setEnabled(false); 117 mRecord.setEnabled(false); 118 m8KHz.setFocusable(false); 119 m11KHz.setFocusable(false); 120 mCall.setFocusable(false); 121 mDialNanp.setFocusable(false); 122 mDialPairs.setFocusable(false); 123 124 // find the first utterance not covered 125 String[] utterances = mCall.isChecked() ? mCallUtterances : 126 mDialNanp.isChecked() ? mDialNanpUtterances : 127 mDialPairs.isChecked() ? mDialPairsUtterances : 128 null; 129 mUtterance = null; 130 int index = -1; 131 for (int i = 0; i < utterances.length; i++) { 132 File u = new File(getDir("recordings", MODE_PRIVATE), 133 utterances[i].toLowerCase().replace(' ', '_') + ".wav"); 134 if (!u.exists()) { 135 mUtterance = u; 136 index = i; 137 break; 138 } 139 } 140 141 // check if done 142 if (mUtterance == null) { 143 mCommand.setText("Finished: Thank You!"); 144 return; 145 } 146 Log.d(TAG, "going to record " + mUtterance.toString()); 147 148 // fix up UI 149 mCommand.setText("Say: \"" + utterances[index] + "\""); 150 final String status = "item " + (index + 1) + "/" + utterances.length; 151 152 // start the microphone 153 mSampleRate = m8KHz.isChecked()? 8000 : 154 m11KHz.isChecked() ? 11025 : 155 11025; 156 mBaos = new ByteArrayOutputStream(mSampleRate * 2 * 20); 157 try { 158 mMicrophone = new MicrophoneInputStream(mSampleRate, mSampleRate * 15); 159 160 // mMicrophone = logInputStream(mUtterance.toString(), mMicrophone, mSampleRate); 161 } catch (IOException e) { 162 163 } 164 165 // post a number of delayed events to update the UI and to stop recording 166 // after a few seconds. 167 for (int i = 0; i <= DURATION_SEC; i++) { 168 final int remain = DURATION_SEC - i; 169 mHandler.postDelayed(new Runnable() { 170 public void run() { 171 if (remain > 0) { 172 mStatus.setText(status + " Recording... " + remain); 173 } 174 else { 175 mStatus.setText(status); 176 stopRecording(); 177 } 178 } 179 }, i * 1000); 180 } 181 182 // now start a thread to store the audio. 183 mStoppedListening = false; 184 mThread = new Thread() { 185 public void run() { 186 Log.d(TAG, "run audio capture thread"); 187 byte buffer[] = new byte[512]; 188 while (!mStoppedListening) { 189 try { 190 int rtn = 0; 191 rtn = mMicrophone.read(buffer, 0, 512); 192 if (rtn > 0) mBaos.write(buffer, 0, rtn); 193 } catch (IOException e) { 194 } 195 } 196 } 197 }; 198 mThread.start(); 199 200 // to avoid the button click 201 try { 202 Thread.sleep(100); 203 } catch (InterruptedException ie) { 204 } 205 206 } 207 208 private void stopRecording() { 209 Log.d(TAG, "stopRecording"); 210 mStoppedListening = true; 211 try { 212 mThread.join(); 213 } catch (InterruptedException e) { 214 215 } 216 try { 217 OutputStream out = new FileOutputStream(mUtterance.toString()); 218 try { 219 byte[] pcm = mBaos.toByteArray(); 220 Log.d(TAG, "byteArray length " + pcm.length); 221 WaveHeader hdr = new WaveHeader(WaveHeader.FORMAT_PCM, 222 (short)1, mSampleRate, (short)16, pcm.length); 223 hdr.write(out); 224 out.write(pcm); 225 } finally { 226 out.close(); 227 mMicrophone.close(); 228 mBaos.close(); 229 } 230 } catch (IOException e) { 231 232 233 } finally { 234 } 235 236 // stop the recording 237 mRecord.setEnabled(true); 238 239 mRedo.setEnabled(true); 240 241 mCommand.setText("Got it!"); 242 } 243 244 245 private final static String[] mCallUtterances = new String[] { 246 "Call Adam Varro", 247 "Call Alex Lloyd", 248 "Call Amod Karve", 249 "Call Ana Maria Lopez", 250 "Call Ben Sigelman", 251 "Call Chris Vennard", 252 "Call Dana Pogoda", 253 "Call Daryl Pregibon", 254 "Call Davi Robison", 255 "Call David Barrett Kahn", 256 "Call David Hyman", 257 "Call Douglas Gordin", 258 "Call Gregor Rothfuss", 259 "Call James Sheridan", 260 "Call Jason Charo", 261 "Call Jeff Reynar", 262 "Call Joel Ward", 263 "Call John Milton", 264 "Call Lajos Nagy", 265 "Call Lori Sobel", 266 "Call Martin Jansche", 267 "Call Meghan McGarry", 268 "Call Meghan Shakar", 269 "Call Nilka Thomas", 270 "Call Pedro Colijn", 271 "Call Pramod Adiddam", 272 "Call Rajeev Sivaram", 273 "Call Rich Armstrong", 274 "Call Robin Watson", 275 "Call Sam Morales", 276 }; 277 278 private final static String[] mDialPairsUtterances = new String[] { 279 // all possible pairs 280 "Dial 000 000 0000", 281 282 "Dial 101 010 1010", 283 "Dial 111 111 1111", 284 285 "Dial 202 020 2020", 286 "Dial 212 121 2121", 287 "Dial 222 222 2222", 288 289 "Dial 303 030 3030", 290 "Dial 313 131 3131", 291 "Dial 323 232 3232", 292 "Dial 333 333 3333", 293 294 "Dial 404 040 4040", 295 "Dial 414 141 4141", 296 "Dial 424 242 4242", 297 "Dial 434 343 4343", 298 "Dial 444 444 4444", 299 300 "Dial 505 050 5050", 301 "Dial 515 151 5151", 302 "Dial 525 252 5252", 303 "Dial 535 353 5353", 304 "Dial 545 454 5454", 305 "Dial 555 555 5555", 306 307 "Dial 606 060 6060", 308 "Dial 616 161 6161", 309 "Dial 626 262 6262", 310 "Dial 636 363 6363", 311 "Dial 646 464 6464", 312 "Dial 656 565 6565", 313 "Dial 666 666 6666", 314 315 "Dial 707 070 7070", 316 "Dial 717 171 7171", 317 "Dial 727 272 7272", 318 "Dial 737 373 7373", 319 "Dial 747 474 7474", 320 "Dial 757 575 7575", 321 "Dial 767 676 7676", 322 "Dial 777 777 7777", 323 324 "Dial 808 080 8080", 325 "Dial 818 181 8181", 326 "Dial 828 282 8282", 327 "Dial 838 383 8383", 328 "Dial 848 484 8484", 329 "Dial 858 585 8585", 330 "Dial 868 686 8686", 331 "Dial 878 787 8787", 332 "Dial 888 888 8888", 333 334 "Dial 909 090 9090", 335 "Dial 919 191 9191", 336 "Dial 929 292 9292", 337 "Dial 939 393 9393", 338 "Dial 949 494 9494", 339 "Dial 959 595 9595", 340 "Dial 969 696 9696", 341 "Dial 979 797 9797", 342 "Dial 989 898 9898", 343 "Dial 999 999 9999", 344 345 }; 346 347 348 private final static String[] mDialNanpUtterances = new String[] { 349 "Dial 211", 350 "Dial 411", 351 "Dial 511", 352 "Dial 811", 353 "Dial 911", 354 // random numbers 355 "Dial 653 5763", 356 "Dial 263 9072", 357 "Dial 202 9781", 358 "Dial 379 8229", 359 "Dial 874 9139", 360 "Dial 236 0163", 361 "Dial 656 7455", 362 "Dial 474 5254", 363 "Dial 348 8687", 364 "Dial 629 8602", 365 366 //"Dial 272 717 8405", 367 //"Dial 949 516 0162", 368 //"Dial 795 117 7190", 369 //"Dial 493 656 3767", 370 //"Dial 588 093 9218", 371 "Dial 511 658 3690", 372 "Dial 440 301 8489", 373 "Dial 695 713 6744", 374 "Dial 581 475 8712", 375 "Dial 981 388 3579", 376 377 "Dial 840 683 3346", 378 "Dial 303 467 7988", 379 "Dial 649 504 5290", 380 "Dial 184 577 4229", 381 "Dial 212 286 3982", 382 "Dial 646 258 0115", 383 "Dial 427 482 6852", 384 "Dial 231 809 9260", 385 "Dial 681 930 4301", 386 "Dial 246 650 8339", 387 }; 388 } 389
