pumpp.core.Pump

class pumpp.core.Pump(*ops)[source]

Top-level pump object.

This class is used to collect feature and task transformers

See also

transform

Examples

Create a CQT and chord transformer

>>> p_cqt = pumpp.feature.CQT('cqt', sr=44100, hop_length=1024)
>>> p_chord = pumpp.task.ChordTagTransformer(sr=44100, hop_length=1024)
>>> pump = pumpp.Pump(p_cqt, p_chord)
>>> data = pump.transform('/my/audio/file.mp3', '/my/jams/annotation.jams')

Attributes

ops (list of (BaseTaskTransformer, FeatureExtractor)) The operations to apply
__init__(*ops)[source]

Methods

__init__(*ops)
add(op) Add an operation to this pump.
sampler(n_samples, duration) Construct a sampler object for this pump’s operators.
transform(audio_f[, jam]) Apply the transformations to an audio file, and optionally JAMS object.

Attributes

fields