pumpp.task.SimpleChordTransformer

class pumpp.task.SimpleChordTransformer(name='chord', sr=22050, hop_length=512)

Simplified chord transformations. Only pitch class activity is encoded.

See also

ChordTransformer

Attributes:

name : str

name of the transformer

sr : number > 0

Sampling rate of audio

hop_length : int > 0

Hop length for annotation frames

__init__(name='chord', sr=22050, hop_length=512)

Initialize a chord task transformer

Methods

__init__([name, sr, hop_length])	Initialize a chord task transformer
decode_events(encoded[, transition, …])	Decode labeled events into (time, value) pairs
decode_intervals(encoded[, duration, multi, …])	Decode labeled intervals into (start, end, value) triples
empty(duration)	Empty chord annotations
encode_events(duration, events, values[, dtype])	Encode labeled events as a time-series matrix.
encode_intervals(duration, intervals, values)	Encode labeled intervals as a time-series matrix.
inverse(*args, **kwargs)
merge(data)	Merge an array of output dictionaries into a single dictionary with properly scoped names.
pop(field)
register(field, shape, dtype)	Register a field as a tensor with specified shape and type.
scope(key)	Apply the name scope to a key
transform(jam[, query])	Transform jam object to make data for this task
transform_annotation(ann, duration)	Apply the chord transformation.