Echo Has The Last Word

An Echo is a Sound Reflection In acoustics, an echo is a sound reflection, arriving at the listener some time after the direct sound.  And, it is said that echo has the last word. We often see a cartoon with a person overlooking a canyon, with a word or phrase yelled and the reflections being…

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Ambient Noise Effect on Hearing – A Primer

The Effect of Ambient Noise on the Speech Reproduction of Hearing Aids For the hearing impaired, ambient noise is a greater hindrance to the intelligibility of speech than for those of normal hearing.  Fortunately, contemporary hearing aids incorporate a number of designs and algorithms to reduce the disturbing effects of noise.  Still, in the fitting…

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