dcase_util.features.SpectralFeatureExtractor
- class dcase_util.features.SpectralFeatureExtractor(spectrogram_type='magnitude', n_fft=2048, window_type='hamming_asymmetric', **kwargs)[source]
Spectral feature extractor base class
Constructor
- Parameters
- fsint
Sampling rate of the incoming signal.
- win_length_samplesint
Window length in samples.
- hop_length_samplesint
Hop length in samples.
- win_length_secondsfloat
Window length in seconds.
- hop_length_secondsfloat
Hop length in seconds.
- spectrogram_typestr
Spectrogram type, magnitude or power spectrogram. Default value ‘magnitude’
- n_fftint
Length of the FFT window. Default value 2048
- window_typestr
Window function type. Default value ‘hamming_asymmetric’
- __init__(spectrogram_type='magnitude', n_fft=2048, window_type='hamming_asymmetric', **kwargs)[source]
Constructor
- Parameters
- fsint
Sampling rate of the incoming signal.
- win_length_samplesint
Window length in samples.
- hop_length_samplesint
Hop length in samples.
- win_length_secondsfloat
Window length in seconds.
- hop_length_secondsfloat
Hop length in seconds.
- spectrogram_typestr
Spectrogram type, magnitude or power spectrogram. Default value ‘magnitude’
- n_fftint
Length of the FFT window. Default value 2048
- window_typestr
Window function type. Default value ‘hamming_asymmetric’
Methods
__init__([spectrogram_type, n_fft, window_type])Constructor
extract(y)Extract features for the audio signal.
get_spectrogram(y[, n_fft, ...])Spectrogram
get_window_function(n[, window_type])Window function
log([level])Log container content
show([mode, indent, visualize])Print container content
to_html([indent])Get container information in a HTML formatted string
to_string([ui, indent])Get container information in a string
Attributes
descriptionExtractor description
labelExtractor label
loggerLogger instance