.. _changelog_3.3:

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3.3 Changelog
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3.3.0
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- Added support for incorporating existing reference alignments into acoustic model training and adaptation
- Added ReferencePhoneIntervals and ReferenceWordIntervals tables separate from those generated from alignments
- Removed dependency on Biopython's pairwise2 module for evaluating alignments
- Added signal-to-noise ratio calculation as part of alignment evaluation
- Added filters in training and adaptation based on alignment evaluation metrics
- Modified temporary files to use dictionary names instead of dictionary ids for easier debugging with multiple dictionaries
- Compatibility with Kalpy 0.7.0