Exemple #1
0
def test_stft_extractor():
    audio_dir = join(get_test_data_path(), 'audio')
    stim = AudioStim(join(audio_dir, 'barber.wav'))
    ext = STFTAudioExtractor(frame_size=1., spectrogram=False,
                        bins=[(100, 300), (300, 3000), (3000, 20000)])
    result = ext.extract(stim)
    df = result.to_df()
    assert df.shape == (557, 5)
Exemple #2
0
def test_convert_to_long():
    audio_dir = join(get_test_data_path(), 'audio')
    stim = AudioStim(join(audio_dir, 'barber.wav'))
    ext = STFTAudioExtractor(frame_size=1., spectrogram=False,
                        bins=[(100, 300), (300, 3000), (3000, 20000)])
    timeline = ext.extract(stim)
    long_timeline = to_long_format(timeline)
    assert long_timeline.shape == (timeline.to_df().shape[0] * 3, 4)
    assert 'feature' in long_timeline.columns
    assert 'value' in long_timeline.columns
    assert '100_300' not in long_timeline.columns
    timeline = ExtractorResult.merge_features([timeline])
    long_timeline = to_long_format(timeline)
    assert 'feature' in long_timeline.columns
    assert 'extractor' in long_timeline.columns
    assert '100_300' not in long_timeline.columns