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Exploring level- and spectrum-based music mixing transforms for hearing-impaired listeners
Aravindan Joseph Benjamin1, Kai Siedenburg1
1Department of Medical Physics and Acoustics, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany.
The Journal of the Acoustical Society of America
|August 22, 2023
Summary
Hearing-impaired (HI) listeners prefer adjusted music mixes with higher lead-to-accompaniment levels. Music accessibility can be improved by tailoring multitrack mixing for individuals with hearing loss.
Area of Science:
- Audiology
- Music Production
- Human-Computer Interaction
Background:
- Multitrack mixing is crucial in music production.
- Existing research primarily focuses on normal-hearing (NH) individuals.
- Hearing-impaired (HI) listeners' preferences in music mixing remain under-explored.
Purpose of the Study:
- Investigate music mixing preferences of HI listeners.
- Compare HI and NH listeners' preferences for specific mixing parameters.
- Explore the impact of hearing aid (HA) use on mixing preferences.
Main Methods:
- Two experiments were conducted with NH and HI participants.
- Participants evaluated multitrack popular music excerpts.
- Key parameters assessed included lead-to-accompaniment level ratio (LAR), spectral energy balance, and equalization transform (EQ-transform).
Main Results:
- HI participants preferred a higher LAR than NH participants.
- HI listeners showed distinct preferences when not using hearing aids (HAs).
- Hearing aid disuse correlated with higher LAR, increased high-frequency emphasis, and simpler EQ-transform settings.
Conclusions:
- Adjusting multitrack mixes can enhance music accessibility for HI individuals.
- LAR is a significant parameter for HI listeners' music enjoyment.
- Hearing aid use influences HI listeners' preferences for spectral balance and EQ-transform.
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