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The EBU R128 / ITU-R BS.1770 specifications are widely followed in various areas of the audio industry and academic research. Different implementations exist in different programming languages with subtly differing design parameters. In this work we assess these implementations on their performance in terms of accuracy and functionality. As filter equations are notably absent from the standard, we reverse engineer the prescribed filter coefficients and offer more universal filter specifications. We also provide a simple implementation of the integrated loudness measure in JavaScript, MATLAB, and Python.
Author (s): De Man, Brecht
Affiliation:
Birmingham City University, Birmingham, UK
(See document for exact affiliation information.)
AES Convention: 145
Paper Number:10064
Publication Date:
2018-10-06
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Session subject:
Perception – Part 2
Permalink: https://aes2.org/publications/elibrary-page/?id=19790
(294KB)
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De Man, Brecht; 2018; Evaluation of Implementations of the EBU R128 Loudness Measurement [PDF]; Birmingham City University, Birmingham, UK; Paper 10064; Available from: https://aes2.org/publications/elibrary-page/?id=19790
De Man, Brecht; Evaluation of Implementations of the EBU R128 Loudness Measurement [PDF]; Birmingham City University, Birmingham, UK; Paper 10064; 2018 Available: https://aes2.org/publications/elibrary-page/?id=19790