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)