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Sensor Networks for Measurement of Acoustic Parameters of Classrooms

Measurement of Acoustic parameters such as Signal to Noise Ratio, Reverberation Time, Background noise is important inorder to optimize the classroom configuration and architecture. The classroom learning environment can thus be improved. The lecturers and students find comfort and assurance in knowing that the acoustics parameters of the classroom have been measured and indicate good acoustics. We propose Sensor Networks for acoustic measurement application. The sensor network consist of an array of inexpensive sensor nodes which communicate and aggregate the acoustic parameters. The paper presents the sensor node architecture and illustrates the typical usage of the sensor networks for the measurement of acoustic parameters in classrooms.

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