Version 0.16.1

Release Notes

Version 0.16.1 (release date: 2017-11-14)

This is a maintenance release.

• Include .pyx files in source distribution

Version 0.16

Release Notes

Version 0.16 (release date: 2017-11-13)

New features:

• TempoDetector can operate on live audio signals (#292)
• Added chord evaluation (#309)
• Bar tracking functionality (#316)
• Added quantize_notes function (#327)
• Added global key evaluation (#336)
• Added key recognition feature and program (#345, #381)

Bug fixes:

• Fix TransitionModel number of states when last state is unreachable (#287)
• Fix double beat detections in BeatTrackingProcessor (#298)
• Fix ffmpeg unicode filename handling (#305)
• Fix STFT zero padding (#319)
• Fix memory leak when accessing signal frames (#322)
• Quantization of events does not alter them (#327)

API relevant changes:

• BufferProcessor uses data instead of buffer for data storage (#292)
• DBNBeatTrackingProcessor expects 1D inputs (#299)
• Moved downbeat and pattern tracking to features.downbeats (#316)
• Write/load functions moved to io module (#346)
• Write functions do not return any data (#346)
• Evaluation classes expect annotations/detections, cannot handle files (#346)
• New MIDI module (io.midi) replacing (utils.midi) based on mido (#46)

Other changes:

• Viterbi decoding of HMM raises a warning if no valid path is found (#279)
• Add option to include Nyquist frequency in STFT (#280)
• Use pyfftw to compute FFT (#363)
• Python 3.7 support (#374)
• Use pytest instead of nose to run tests (#385)
• Removed obsolete code (#385)

Version 0.15.1

Release Notes

Version 0.15.1 (release date: 2017-07-07)

This is a maintenance release.

• NumPy boolean subtract fix (#296)

Version 0.15

Release Notes

Version 0.15 (release date: 2017-04-25)

New features:

• Streaming mode allows framewise processing of live audio input (#185)
• Exponential linear unit (ELU) activation function (#232)
• DBNBeatTracker can operate on live audio signals (#238)
• OnsetDetectorLL can operate on live audio signals (#256)

Bug fixes:

• Fix downbeat evaluation failure with a single annotation / detection (#216)
• Fix tempo handling of multi-track MIDI files (#219)
• Fix error loading unicode filenames (#223)
• Fix ffmpeg unicode filename handling (#236)
• Fix smoothing for peak_picking (#247)
• Fix combining onsets/notes (#255)

API relevant changes:

• NeuralNetwork expect 2D inputs; activation can be computed stepwise (#244)
• Reorder GRUCell parameters, to be consistent with all other layers (#243)
• Rename GRULayer parameters, to be consistent with all other layers (#243)

Other changes:

• SPL and RMS can be computed on Signal and FramedSignal (#208)
• num_threads is passed to ParallelProcessor in single mode (#217)
• Use install_requires in setup.py to specify dependencies (#226)
• Use new Cython build system to build extensions (#227)
• Allow initialisation of previous/hidden states in RNNs (#243)
• Forward path of HMM can be computed stepwise (#244)

Version 0.14.1

Release Notes

Version 0.14.1 (release date: 2016-08-01)

This is a maintainance release.

• RNNDownBeatProcessor returns only beat and downbeat activations (#197)
• Update programs to reflect MIREX 2016 submissions (#198)

Version 0.14

Release Notes

Version 0.14 (release date: 2016-07-28)

New features:

• Downbeat tracking based on Recurrent Neural Network (RNN) and Dynamic
  Bayesian Network (DBN) (#130)
• Convolutional Neural Networks (CNN) and CNN onset detection (#133)
• Linear-Chain Conditional Random Field (CRF) implementation (#144)
• Deep Neural Network (DNN) based chroma vector extraction (#148)
• CRF chord recognition using DNN chroma vectors (#148)
• CNN chord recognition using CRF decoding (#152)
• Initial Windows support (Python 2.7 only, no pip packages yet) (#157)
• Gated Recurrent Unit (GRU) network layer (#167)

Bug fixes:

• Fix downbeat output bug (#128)
• MIDI file creation bug (#166)

API relevant changes:

• Refactored the ml.rnn to ml.nn and converted the models to pickles (#110)
• Reordered the dimensions of comb_filters to time, freq, tau (#135)
• write_notes uses delimiter instead of sep to separate columns (#155)
• LSTMLayer takes Gates as arguments, all layers are callable (#161)
• Replaced online parameter of FramedSignalProcessor by origin (#169)

Other changes:

• Added classes for onset/note/beat detection with RNNs to features.* (#118)
• Add examples to docstrings of classes (#119)
• Converted madmom.modules into a Python package (#125)
• match_files can handle inexact matches (#137)
• Updated beat tracking models to MIREX 2015 ones (#146)
• Tempo and time signature can be set for created MIDI files (#166)

Version 0.13.2

Release Notes

Version 0.13.2 (release date: 2016-06-09)

This is a bugfix release.

• Fix custom filterbank in FilteredSpectrogram (#142)

Version 0.13.1

Release Notes

Version 0.13.1 (release date: 2016-03-14)

This is a bugfix release.

• Fix beat evaluation argument parsing (#116)

Version 0.13

Release Notes

Version 0.13 (release date: 2016-03-07)

Main features:

• Python 3 support (3.3+) (#15)
• Online documentation available at http://madmom.readthedocs.org (#60)

Bug fixes:

• Fix nasty unsingend indexing bug (#88)
• MIDI note timing could get corrupted if note_ticks_to_beats() was called
  multiple times (#90)

API relevant changes:

• Renamed DownBeatTracker and all relevant classes to PatternTracker (#25)
• Complete refactoring of the features.beats_hmm module (#52)
• Unified negative index behaviour of FramedSignal (#72)
• Removed pickling of data classes since it was not tested thoroughly (#81)
• Reworked stacking of spectrogram differences (#82)
• Renamed norm_bands argument of MultiBandSpectrogram to norm_filters
  (#83)

Other changes:

• Added alignment evaluation (#12)
• Added continous integration testing (#16)
• Added -o option to both single/batch processing mode to not overwrite
  files accidentially in single mode (#18)
• Removed block_size parameter from FilteredSpectrogram (#22)
• Sample rate is always integer (#23)
• Converted all docstrings to the numpydoc format (#48)
• Batch processing continues if non-audio files are given (#53)
• Added code quality checks (#61)
• Added coverage measuring (#74)
• Added `--down`` option to evaluate only downbeats (#76)
• Removed option to normalise the observations (#95)
• Moved filterbank related argument parser to FilterbankProcessor (#96)

v0.12.1

This version adds Python 3 compatibility to setup.py; needed to make interactive binders work.