In the future, smartphones, which almost everyone has, and smart speakers, 3.7 million installed in Japanese households, might save your life. Apart from daily-use features, these devices can read emergency messages aloud to inform us of the current situation of an earthquake and how to evacuate. However, we might lose such crucial information due to difficulty listening in some circumstances. The intelligibility of speech is dramatically degraded by noise such as conversations and vacuum cleaners and reverberation as in poor auditoriums or subways.
from General Physics News - Science News, Physics News, Physics, Material Sciences, Science https://ift.tt/3Duy0fj
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