Interactive phoneme-level plots for comparing forced-alignment outputs across Praat TextGrid corpora.
Project description
alignment-comparison-plots
When two forced aligners (e.g. MFA and Wav2TextGrid) produce different .TextGrid files for the same audio, it can be hard to know where and how they disagree. This package provides ready-made Qt charts that let you visually audit alignment quality and inter-aligner agreement across an entire corpus in seconds. See the full documentation for details on the included set of plotting functions.
Install
pip install alignment-comparison-plots
# or with uv
uv add alignment-comparison-plots
Requires Python ≥ 3.11.
Quickstart
import glob
from alignment_comparison_plots import plot_phoneme_counts
paths_a = glob.glob("/path/to/alignment_a/**/*.TextGrid", recursive=True)
paths_b = glob.glob("/path/to/alignment_b/**/*.TextGrid", recursive=True)
plot_phoneme_counts(paths_a=paths_a, paths_b=paths_b, label_a="Ref", label_b="Hyp")
License
MIT
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