Package edu.cmu.sphinx.frontend

Examples of edu.cmu.sphinx.frontend.DataStartSignal

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    @Test
    public void testLongInput() throws DataProcessingException {
        int sampleRate = 1000;

        input.add(new DataStartSignal(sampleRate));

        input.addAll(createDataInput(1000, 1000, sampleRate, 0)); // create one second of data sampled with 1kHz
        input.add(new DataEndSignal(0));

        Assert.assertTrue(hasIncreasingOrder(collectOutput(100), 1000));
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    @Test
    public void testUsualInput() throws DataProcessingException {
        int sampleRate = 1000;

        input.add(new DataStartSignal(sampleRate));

        input.addAll(createDataInput(600, 120, sampleRate, 0));
        input.add(new DataEndSignal(0));

        List<Data> output = collectOutput(100);
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    @Test
    public void skipLastSamples() throws DataProcessingException {
        int sampleRate = 1000;

        input.add(new DataStartSignal(sampleRate));
        input.addAll(createDataInput(500, 500, sampleRate, 0));
        input.addAll(createDataInput(300, 300, sampleRate, 500));
        input.add(new DataEndSignal(0));

        List<Data> output = collectOutput(250);
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    @Test
    public void testOneSpeechRegion() throws DataProcessingException {
        int sampleRate = 1000;

        input.add(new DataStartSignal(sampleRate));

        input.addAll(createFeatVectors(1, sampleRate, 0, 10, 10)); // create one second of data sampled with 1kHz
        input.add(new SpeechStartSignal(-1));
        input.addAll(createFeatVectors(0.5, sampleRate, 0, 10, 10));
        input.add(new SpeechEndSignal(-1));
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    @Test
    public void testMultipleSpeechRegionWithoutMerging() throws DataProcessingException {
        int sampleRate = 1000;

        input.add(new DataStartSignal(sampleRate));

        input.addAll(createFeatVectors(0.1, sampleRate, 0, 10, 10)); // create one second of data sampled with 1kHz

        input.add(new SpeechStartSignal(-1));
        input.addAll(createFeatVectors(0.1, sampleRate, 0, 10, 10));
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    @Test
    public void testMultipleEmptyAndNonemptySegments() throws DataProcessingException {
        int sampleRate = 1000;

        // process an empty segment
        input.add(new DataStartSignal(sampleRate));
        input.add(new DataEndSignal(sampleRate));

        // process a segment which contains a speech segment which is empty
        input.add(new DataStartSignal(sampleRate));
        input.add(new SpeechStartSignal(-1));
        input.add(new SpeechEndSignal(-1));
        input.add(new DataEndSignal(sampleRate));

        // process a segment which contains a speech segment which is empty but has some non-speech data around it
        input.add(new DataStartSignal(sampleRate));
        input.addAll(createFeatVectors(1, sampleRate, 0, 10, 10)); // create one second of data sampled with 1kHz
        input.add(new SpeechStartSignal(-1));
        input.add(new SpeechEndSignal(-1));
        input.addAll(createFeatVectors(1, sampleRate, 0, 10, 10)); // create one second of data sampled with 1kHz
        input.add(new DataEndSignal(sampleRate));

        // and now a some real segments
        input.add(new DataStartSignal(sampleRate));
        input.add(new SpeechStartSignal(-1));
        input.addAll(createFeatVectors(0.1, sampleRate, 0, 10, 10));
        input.add(new SpeechEndSignal(-1));
        input.add(new DataEndSignal(sampleRate));
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Related Classes of edu.cmu.sphinx.frontend.DataStartSignal

  • edu.cmu.sphinx.frontend.DataBlockerTest
  • edu.cmu.sphinx.frontend.NonSpeechDataFilterTest
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