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Convention Paper

Automatic Mixing of Multitrack Material Using Modified Loudness Models

Authors: Fenton, Steven

AES Convention 145 · Paper 10041 · October 2018

Abstract

This work investigates the perceptual accuracy of the ITU-Recommendation BS.1770 loudness algorithm when employed in a basic auto mixing system. Optimal filter parameters previously proposed by the author, which incorporate modifications to both the pre-filter response and the integration window sizes are tested against the standard K-weighted model and filter parameters proposed through other studies. The validation process encompassed two stages, the first being the elicitation of preferred mix parameters used by the mixing system and the subsequent generation of automatic mixes based on these rules utilizing the various filter parameters. A controlled listening test was then employed to evaluate the listener preferences to the completed mixes. It is concluded that the optimized filter parameter set based upon stem type, results in a more perceptually accurate automatic mix being achieved.

Details

Published in
AES Convention 145
AES Convention
145
Paper number
10041
Publication date
October 6, 2018
Session subject
Recording and Production
Affiliation
University of Huddersfield, Huddersfield, West Yorkshire, UK (See document for exact affiliation information.)
Type
Convention Paper