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PyPI · #2412 most downloaded on PyPI
Implementation of ITU-R BS.1770-4 loudness algorithm in Python.
Last release 9 months ago
04 Jan 2026
Ships fairly regularly
a new release about every 3.0 years
Most releases are documented
notes for 3 of 4 stable releases
Nothing withdrawn
no release was ever pulled
8 years old
4 releases · first in 2018
Thanks to @cwu307 for contributing Loudness Range measurement based on EBU Tech 3342!
Thanks to @cwu307 for contributing Loudness Range measurement based on EBU Tech 3342!
meter = pyln.Meter(rate) lra = meter.loudness_range(audio)LRA quantifies the variation in loudness over time, measured in LU (Loudness Units).
meter.loudness_range() for LRA measurementpyproject.toml (PEP 621)pip install pyloudnorm==0.2.0## Contributors
Improved install workflow
Improved install workflow
One column per quarter.
Merge pull request #27 from csteinmetz1/pypi
Merge pull request #27 from csteinmetz1/pypi
adding info to readme about install from pypi and from repo for clarity
Nothing published for this version
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