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Today's busy life requires us to be connected with others while we are on move. Such mobility incorporated collaborative systems are already available both in proprietary and in open source for personal computers, laptops, and other mobile devices. However, such services and devices could be more effectively used when integrated with class rooms where(More)
Speech is the most essential method of correspondence of humankind. Cell telephony, portable hearing assistants and, hands free are specific provisions in this respect. The performance of these communication devices could be affected because of distortions which might augment them. There are two essential sorts of distortions that might be recognized,(More)
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