Why Schools Are Replacing Worn-Out Voice Reinforcement with Infrared Soundfield Systems
Older amplifier-and-ceiling-speaker installations are reaching end of life. Here is what facility teams are prioritising when they refresh classroom audio — intelligibility, teacher voice care, hybrid teaching and simpler maintenance.
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Teacher Voice Health and Classroom Audio: What the Evidence Supports
Voice strain is one of the most common occupational complaints among teachers. How soundfield reinforcement reduces vocal effort, what schools should measure, and how to specify a system teachers will actually use every lesson.
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USB Audio for Hybrid Classrooms: Wiring, Gain Structure and the Causes of Echo
A built-in USB audio interface is the difference between a hybrid classroom that works and one where remote students hear a distant wash of room sound. Practical guidance on connection, gain staging and the four mistakes that cause echo.
