Acoustical parameters for learning in classroom: A review

What the study found

Classroom acoustic parameters are linked to speech intelligibility and learning-relevant outcomes.

Limitations

Different age groups, room types and measurement protocols limit direct universal thresholds.

Neurodesign interpretation

Acoustic design is part of pedagogy because it determines how much neural effort is spent decoding the teacher before content can be processed.

Possible design implications

Use room geometry, absorption and mechanical-system noise control to protect the speech signal.

Why it stays in the corpus

Retain for translating acoustical metrics into educational outcomes.

Study design

Review of 38 empirical papers

Population

Students and teachers

Setting

Classrooms

Field

Educational environments, acoustics

Mechanism

Speech intelligibility, cognitive load

Spatial variable

Reverberation, background noise, speech transmission

Keywords

classroom, STI, reverberation, noise, learning