Assessment of Automatic Volume Leveling for Automotive Sound Systems

Paper #:
  • 2013-01-0162

Published:
  • 2013-04-08
DOI:
  • 10.4271/2013-01-0162
Citation:
Cadena, R. and Dakroub, H., "Assessment of Automatic Volume Leveling for Automotive Sound Systems," SAE Int. J. Passeng. Cars – Electron. Electr. Syst. 6(1):46-52, 2013, https://doi.org/10.4271/2013-01-0162.
Pages:
7
Abstract:
This paper presents an assessment of competing algorithms for normalizing volume levels between tracks and/or sources in an automotive infotainment system. Portable media players such as smartphones and iPod® devices are extremely popular for listening to music collections or streaming content from the Internet. The lack of normalization is a source of dissatisfaction if the user experiences significant changes in audio level between tracks. Several commercially available algorithms exist to solve this problem. This research includes a double-blind listening test comparing an audio sample processed with the different leveling algorithms to an unprocessed reference. The listener preference rating is recorded and results indicate which algorithm is preferred.
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