In 2009, Stephen Beeby of The University of Southampton led research into utilizing otoacoustic emissions for biometric identification. Devices equipped with a microphone could detect these subsonic emissions and potentially identify an individual, thereby providing access to the device, without the need of a traditional password. It is speculated, however, that colds, medication, trimming one's ear hair, or recording and playing back a signal to the microphone could subvert the identification process.
OAEs are considered to be related to the amplification function of the cochlea. In the absence of external stimulation, the activity of the cochlear amplifier increases, leading to the production of sound. Several lines of evidence suggest that, in mammals, outer hair cells are the elements that enhance cochlear sensitivity and frequency selectivity and hence act as the energy sources for amplification. One theory is that they act to increase the discriminability of signal variations in continuous noise by lowering the masking effect of its cochlear amplification.
When I graduate in June 2016, I will officially be an ECE. Throughout my studies, discussions of low recognition of ECEs, no National Framework, low wages for ECEs, etc have been hot topics. Learning that there is such a lack of help for ECEs is alarming, especially for someone fresh out of school in hopes of having this as a career, a way to provide for a family. Looking into a National Framework in the 2017-2018 budget is not helping families, ECEs, etc who need help NOW. Now is the time to make a difference for the future. Doing something in the future doesn’t help with the problems we face now.
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