pumpp.task.BeatTransformer

class pumpp.task.BeatTransformer(name='beat', sr=22050, hop_length=512)

Task transformation for beat tracking

Attributes:

name : str

The name of this transformer

sr : number > 0

The audio sampling rate

hop_length : int > 0

The hop length for annotation frames

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

Initialize self. See help(type(self)) for accurate signature.

Methods

__init__([name, sr, hop_length])	Initialize self.
decode_events(encoded)	Decode labeled events into (time, value) pairs
decode_intervals(encoded[, duration, multi, …])	Decode labeled intervals into (start, end, value) triples
empty(duration)	Create an empty jams.Annotation for this task.
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(encoded[, downbeat, duration])	Inverse transformation for beats and optional downbeats
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 beat transformer