Example usage for android.speech SpeechRecognizer CONFIDENCE_SCORES

Introduction

In this page you can find the example usage for android.speech SpeechRecognizer CONFIDENCE_SCORES.

Prototype

String CONFIDENCE_SCORES

To view the source code for android.speech SpeechRecognizer CONFIDENCE_SCORES.

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Document

Key used to retrieve a float array from the Bundle passed to the RecognitionListener#onResults(Bundle) and RecognitionListener#onPartialResults(Bundle) methods.

Usage

From source file:ai.api.unityhelper.RecognitionHelper.java

protected void onResults(final Bundle results) {

    JSONObject resultJson = new JSONObject();

    try {//from   w w w. ja  v a  2s  . c  om

        resultJson.put("status", "success");

        final ArrayList<String> recognitionResults = results
                .getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);

        if (recognitionResults == null || recognitionResults.size() == 0) {
            resultJson.put("recognitionResults", new JSONArray());
        } else {
            resultJson.put("recognitionResults", new JSONArray(recognitionResults));

            float[] rates = null;

            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
                rates = results.getFloatArray(SpeechRecognizer.CONFIDENCE_SCORES);
                if (rates != null && rates.length > 0) {
                    final JSONArray ratesArray = new JSONArray();
                    for (int i = 0; i < rates.length; i++) {
                        ratesArray.put(rates[i]);
                    }
                    resultJson.put("confidence", ratesArray);
                }
            }
        }

    } catch (JSONException je) {
        Log.e(TAG, je.getMessage(), je);
    }

    clearRecognizer();
    String resultJsonString = resultJson.toString();
    if (resultObject != null) {
        resultObject.setResult(resultJsonString);
    }
}

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From source file:atlc.granadaaccessibilityranking.VoiceActivity.java

/********************************************************************************************************
 * This class implements the {@link android.speech.RecognitionListener} interface,
 * thus it implement its methods. However not all of them were interesting to us:
 * ******************************************************************************************************
 *///from  ww w.j  a  va  2  s.c om

@SuppressLint("InlinedApi")
/*
 * (non-Javadoc)
 *
 * Invoked when the ASR provides recognition results
 *
 * @see android.speech.RecognitionListener#onResults(android.os.Bundle)
 */
@Override
public void onResults(Bundle results) {
    if (results != null) {

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { //Checks the API level because the confidence scores are supported only from API level 14:
            //http://developer.android.com/reference/android/speech/SpeechRecognizer.html#CONFIDENCE_SCORES
            //Processes the recognition results and their confidences
            processAsrResults(results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION),
                    results.getFloatArray(SpeechRecognizer.CONFIDENCE_SCORES));
            //                                 Attention: It is not RecognizerIntent.EXTRA_RESULTS, that is for intents (see the ASRWithIntent app)
        } else {
            //Processes the recognition results and their confidences
            processAsrResults(results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION), null);
        }
    } else
        //Processes recognition errors
        processAsrError(SpeechRecognizer.ERROR_NO_MATCH);
}

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From source file:conversandroid.RichASR.java

/********************************************************************************************************
 * Process ASR events/*from   ww w  . j  ava2s.  c  o  m*/
 * ******************************************************************************************************
 */

/*
 * (non-Javadoc)
 *
 * Invoked when the ASR provides recognition results
 *
 * @see android.speech.RecognitionListener#onResults(android.os.Bundle)
 */
@Override
public void onResults(Bundle results) {
    if (results != null) {
        Log.i(LOGTAG, "ASR results received ok");
        ((TextView) findViewById(R.id.feedbackTxt)).setText("Results ready :D");

        //Retrieves the N-best list and the confidences from the ASR result
        ArrayList<String> nBestList = results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
        float[] nBestConfidences = null;

        if (Build.VERSION.SDK_INT >= 14) //Checks the API level because the confidence scores are supported only from API level 14
            nBestConfidences = results.getFloatArray(SpeechRecognizer.CONFIDENCE_SCORES);

        //Creates a collection of strings, each one with a recognition result and its confidence
        //following the structure "Phrase matched (conf: 0.5)"
        ArrayList<String> nBestView = new ArrayList<String>();

        for (int i = 0; i < nBestList.size(); i++) {
            if (nBestConfidences != null) {
                if (nBestConfidences[i] >= 0)
                    nBestView.add(
                            nBestList.get(i) + " (conf: " + String.format("%.2f", nBestConfidences[i]) + ")");
                else
                    nBestView.add(nBestList.get(i) + " (no confidence value available)");
            } else
                nBestView.add(nBestList.get(i) + " (no confidence value available)");
        }

        //Includes the collection in the ListView of the GUI
        setListView(nBestView);

    } else {
        Log.e(LOGTAG, "ASR results null");
        //There was a recognition error
        ((TextView) findViewById(R.id.feedbackTxt)).setText("Error");
    }

    stopListening();

}

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From source file:com.glabs.homegenie.util.VoiceControl.java

@Override
public void onResults(Bundle results) {
    if ((results != null) && results.containsKey(SpeechRecognizer.RESULTS_RECOGNITION)) {
        List<String> heard = results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION);
        float[] scores = results.getFloatArray(SpeechRecognizer.CONFIDENCE_SCORES);
        String msg = "";
        for (String s : heard) {
            Toast.makeText(_hgcontext.getApplicationContext(), "Executing: " + s, 20000).show();
            interpretInput(s);/*from   www.jav  a2  s. c  o  m*/
            //                msg += s;
            break;
        }
    }
}

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