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Alternative Weighting Filters for Multi-Track Program Loudness Measurement

Fenton, Steven and Lee, Hyunkook (2017) Alternative Weighting Filters for Multi-Track Program Loudness Measurement. In: AES 143rd Conference, New York, USA, October 2017, New York, USA.

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The ITU-Recommendation BS.1770 is now established throughout most of the broadcast industry. Program loudness measurement is undertaken through the summation of K-weighted energy and this summation typically involves material that is broadband in nature. We undertook listening tests to investigate the performance of the K-weighting filter in relation to perceived loudness of narrower band stimuli, namely octave-band pink noise and individual stems of a multitrack session. We propose two alternative filters based on the discrepancies found and evaluate their performance using different measurement window sizes. The new filters yield better performance accuracy for both pink noise stimuli and certain types of multitrack stem. Finally, we propose an informed set of parameters that may improve loudness prediction in auto mixing systems.

Item Type: Conference or Workshop Item (Paper)
Subjects: M Music and Books on Music > M Music
T Technology > TA Engineering (General). Civil engineering (General)
Schools: School of Computing and Engineering
Related URLs:
Depositing User: Steven Fenton
Date Deposited: 14 Nov 2017 11:44
Last Modified: 28 Aug 2021 15:27


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