pliers.extractors.HarmonicExtractor

class pliers.extractors.HarmonicExtractor(feature=None, hop_length=512, **librosa_kwargs)[source]

Bases: LibrosaFeatureExtractor

Extracts the harmonic elements from an audio time-series using the Librosa library.

For details on argument specification visit: https://librosa.org/doc/latest/generated/librosa.effects.harmonic.html.

__init__(feature=None, hop_length=512, **librosa_kwargs)
transform(stim, *args, **kwargs)

Executes the transformation on the passed stim(s).

Parameters
  • stims (str, Stim, list) –

    One or more stimuli to process. Must be one of:

    • A string giving the path to a file that can be read in as a Stim (e.g., a .txt file, .jpg image, etc.)

    • A Stim instance of any type.

    • An iterable of stims, where each element is either a string or a Stim.

  • validation (str) –

    String specifying how validation errors should be handled. Must be one of:

    • ’strict’: Raise an exception on any validation error

    • ’warn’: Issue a warning for all validation errors

    • ’loose’: Silently ignore all validation errors

  • args – Optional positional arguments to pass onto the internal _transform call.

  • kwargs – Optional positional arguments to pass onto the internal _transform call.