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The influence of non-native language proficiency on speech perception performance
Lisa Kilman1, Adriana Zekveld2, Mathias Hällgren3
1Department of Behavioural Sciences and Learning, Linköping University Linköping, Sweden ; Linnaeus Centre HEAD, Swedish Institute for Disability Research, Departement of Behavioural Sciences and Learning, Linköping University Linköping, Sweden.
Frontiers in Psychology
|July 30, 2014
Summary
English proficiency significantly impacts understanding speech in noisy environments. Higher English skills enhance non-native speech perception, especially with complex background sounds.
Area of Science:
- Auditory perception
- Second language acquisition
- Psychoacoustics
Background:
- Understanding speech in noise is crucial for effective communication.
- Individual differences in language proficiency can affect auditory processing.
- The impact of non-native language proficiency on speech perception in noise requires further investigation.
Purpose of the Study:
- To investigate the influence of English proficiency on speech perception in noise.
- To compare speech reception thresholds (SRT) in native (Swedish) and non-native (English) languages.
- To determine the role of energetic and informational maskers in speech perception.
Main Methods:
- Twenty-three native Swedish listeners (28-64 years) with normal hearing participated.
- Speech reception thresholds (SRT) were measured in four noise conditions (energetic and informational).
- Participants completed English proficiency, non-verbal reasoning, and working memory tests.
Main Results:
- English proficiency was a key factor for intelligibility in the non-native (English) language.
- Higher English proficiency improved performance across all conditions for English speech.
- Informational maskers posed greater challenges than energetic maskers, particularly for non-native speech.
Conclusions:
- Non-native language proficiency, specifically English, is critical for speech understanding in noise.
- Listener-related factors like proficiency significantly explain individual differences in speech perception.
- Speech reception thresholds are generally better for native than non-native languages.
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