Classroom acoustics for acceptable speech recognition: A review
Keywords:Acoustic noise, Signal to noise ratio, Speech intelligibility, Speech recognition, Speech levels
AbstractThe basic acoustical requirements for accpetable speech recognition in classrooms were investigated. The scores for speech intelligibility increased with increasing signal-to-noise ratio until near 100% intelligibility was reached. The study was useful in determining safe teacher voice levels and the required speech/noise ratio for all ages of children.
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