pumpp.task.BeatTransformer¶
-
class
pumpp.task.
BeatTransformer
(name='beat', sr=22050, hop_length=512)[source]¶ 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 Methods
__init__
([name, sr, hop_length])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