class pumpp.task.BaseTaskTransformer(name, namespace, sr, hop_length)[source]

Base class for task transformer objects


name (str) The name prefix for this transformer object
namespace (str) The JAMS namespace for annotations in this task
sr (number > 0) The sampling rate for audio
hop_length (int > 0) The number of samples between frames
__init__(name, namespace, sr, hop_length)[source]


__init__(name, namespace, 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.
merge(data) Merge an array of output dictionaries into a single dictionary with properly scoped names.
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