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Archive for February 26th, 2010



Active vs Passive Noise Cancellation

Of the five senses we are born with, we may not be able to control and protect each one although we can certainly have a direct impact on our hearing ability from a young age. Since younger students are not as conscientious about how loud noise levels affect their hearing, parents and teachers need to help make them aware of the importance of hearing protection. For teachers who provide headphones and headsets for their students on a regular basis, understanding the difference between ambient noise reduction and active noise cancellation can have a heavy impact on the future of their hearing ability so that their educational success does not also fade away. (more…)

Feedback Nobody Wants

Whether as a presenter or a member of an audience, we’ve all heard the unpleasant high-pitched noise called feedback when using a PA system for voice or music amplification. Although there’s no guarantee to prevent feedback from occurring, there are some basic steps which can be taken to avoid it. (more…)


 
 
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