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Dear list, If you are involved in psychoacoustics, sound quality and perception, you may be interested to learn that there are now available open source software implementations of Sottek’s Hearing Model metrics for loudness, tonality and roughness,
as defined in the ECMA-418-2:2025 standard. Some MATLAB implementations were made available last year, and then earlier this year were incorporated into the SQAT (Sound Quality Analysis Toolbox) library (repo:
https://github.com/ggrecow/SQAT). A corresponding conference paper documenting the verification of these implementations was presented at Forum Acusticum and is also available open access:
https://www.researchgate.net/publication/392904348 More recently, a python translation was completed (open source repo:
https://github.com/mlotinga/sottek-hearing-model/), and the functions are now available as an installable package via PyPI. These can be installed using: >>> pip install sottek-hearing-model I hope you find these tools useful in your research and work. The applicable open access licence is
GPL3. All the best, Mike Lotinga University of Salford |