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This study investigated the behaviour of N1 peak towards perceived sound levels in different range of frequencies. Three sound levels as perceived as Talk, Loud and Shout were examined. In 10 subjects, the results showed that in all frequency ranges (4000 Hz, 1000 Hz and 500 Hz) the peak of N1 waves have significantly reduced when stimulated by Talk level as compared to Loud and Shout. Insignificant...
This paper presents a storage system design based on energy harvesting to achieve battery-less for Wireless Sensor Network (WSN) application. The storage system is part of the Wireless Sensor Energy Harvesting to store and amplify the energy harvested from the surroundings. The proposed method must be consumes very little power and suitable for ambient environmental sources such as vibration, wind...
This study investigated the effect of continuous tones vibrant on focus ability among teenagers. Three vibrant levels as perceived as Medium, Loud but Comfortable and Very Loud were examined. In 6 subjects, the results showed that the amplitude of N1 waves have reduced significantly when stimulated by Medium sound as compared to Loud but Comfortable and Very Loud stimulation. Insignificant reduction...
Oil, gas and coal currently constitute 94% of the total energy generation mix but the increasing demand of electricity, there is a need to be greater diversification of power supply sources in order to tackle the forthcoming electricity crisis. Several studies have started to investigate the feasibility of salt as sources to generate electric. However, the study on the characteristic of salt as electric...
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