The purpose of this study was to compare the effects of source-specific (independent) and conventional dynamic range compression (DRC) on sound quality ratings among listeners with hearing loss when ground-truth signals are available to the compressor....
Source-specific dynamic range compression shows promise for improved sound quality ratings, but audiologists should await broader replication and real-world outcome data before modifying fitting protocols.
Demonstrating that source-specific compression can improve subjective sound quality provides a research basis for reconsidering how hearing aid compression is designed and fitted.
- 01Study published in Trends in Hearing (2026) compared source-specific vs. conventional dynamic range compression.
- 02Source-specific compression applies independent gain control to individual sound sources rather than the mixed signal.
- 03Listeners with hearing loss rated sound quality outcomes across both compression conditions.
- 04Findings contribute to ongoing debate about optimal compression strategies in hearing aids.
- 05Results may inform future hearing aid algorithm development rather than immediate fitting changes.
Source-specific dynamic range compression produces different sound quality ratings than conventional compression in listeners with hearing loss.
studypartially supported- PMID
- 42464921
- DOI
- 10.1177/23312165261471119.
- Journal
- Trends in Hearing
- Publication type
- research_article
- Evidence level
- 2b
- Population
- Individuals with hearing loss
- Intervention
- Source-specific (independent) dynamic range compression
- Comparator
- Conventional dynamic range compression
Primary outcomes
Subjective sound quality ratings