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Eliciting naturalistic conversations: a method for assessing communication ability, subjective experience, and the impacts of noise and hearing impairment
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A Dynamic speech comprehension test for assessing real-world listening ability
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An Assessment of different sized open plan and enclosed kindergarten classroom listening environments
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Effect of audibility on spatial release from speech-on-speech masking
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An Investigation into the acoustics of an open plan compared to enclosed Kindergarten classroom
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Abstract:
Open plan classrooms, where several class bases share the same space, have recently re-emerged in Sydney primary schools. This case study examines the acoustics of a mid-range open plan Kindergarten classroom containing 91 students, compared to an enclosed classroom of 25 students. Ambient noise levels, intrusive noise levels, occupied background noise levels, and teacher's speech levels were recorded in both classrooms during different activities. Room impulse responses using logarithmic sweeps were also recorded in each classroom for different teaching scenarios. From these recordings, signal-to-noise ratios, speech transmission index scores, and reverberation times were calculated. The results revealed much higher intrusive noise levels in the open plan classroom, resulting in signal-to-noise ratios and speech transmission index scores to be well below those recommended in classrooms with students of this age. Reverberation time in the open plan classroom was also outside the recommended level. Additionally, occupied background noise levels in both classroom types were well above recommended levels. These results show the importance of further research into the noise levels of open plan classrooms to determine if they are suitable learning spaces for young students. The impacts of noise on speech perception, learning, and teacher's vocal health are discussed. ; 10 page(s)
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Keyword:
Classroom acoustics; Open plan classrooms
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URL: http://hdl.handle.net/1959.14/340315
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Factors influencing target detectability in realistic listening scenarios
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Release from masking through spatial separation in distance in hearing impaired listeners
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Psychometric effects of adding realism to a speech-in-noise test
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Objective analysis of higher-order Ambisonics sound-field reproduction for hearing aid applications
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Validation of a loudspeaker-based room auralization system using speech intelligibility measures
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