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Sound Systems in Classrooms Can Improve Pupils Academic Performance

Sound Systems in Classrooms Can Improve Pupils Academic Performance  | Education Articles and InstallationsPupils can spend as much as 40% to 50% of their school day involved in listening to their teacher. However, as studies have indicated (Journal of the American Medical Association) 14. 9% of children aged from 6 to19 years may suffer some form of hearing loss. Similar studies have also showed that around 80% of pupils may have some form of occasional hearing loss during their time at school.

In a recommendation published by the UK Department of Education & Skills (DfES) "Building Bulletin '93" it states that 'All children benefit from improved speech clarity, not only those with permanent or temporary hearing loss. Academic performance has been shown to improve for all class members with improvements noted in task behaviour, attentiveness, understanding of instructions, less repetition required, better attendance and improved levels of verbal recognition. Furthermore, due to the clarity of speech from the teacher, similar improvements in learning performance are also noted in students for whom English is a second language. '

More recently Government legislation in the USA, UK and Europe requires that new schools in particular need to comply with a minimum standards of acoustic performance in classrooms. Effective levels of speech recognition for pupils is considered paramount and the use of sound reinforcement systems is also viewed as an ideal solution. .

A typical sound reinforcement system provides the teacher with a wireless or infrared microphone (more usually a lapel or pendant type) which links to an amplifier and loudspeaker system.

Sound reinforcement systems raise the level of the teacher's voice but are intended to be non-intrusive. These systems have been in use quite extensively in the USA over the past 15 years or so and are seen as a significant opportunity to improve academic performance in the UK and in Europe.

In line with the UK DfES equipment recommendations, systems have been developed to meet the needs of the classroom. With a choice of microphones with either radio frequency or infrared wireless transmitters, there are a variety of solutions available providing a range of benefits.

Infrared transmitters are becoming more popular as they limit the signal to the confines of the one classroom, enabling many systems to be used in a single school without suffering the interference problems associated with RF wireless systems. Systems may have integrated receivers and amplifiers or for more cost effective solutions have separate receivers that can be connected to existing classroom sound systems associated with interactive whiteboards. Speakers should be placed to provide an effective sound pressure level throughout the classroom for best effect and may be ceiling or wall mounted.

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