Researchers at Australia's La Trobe University have developed an algorithm that can instantly determine whether a person has exceeded the legal alcohol limit based on a 12-second recording of that person's voice.
The Audio-based Deep Learning Algorithm to Identify Alcohol Inebriation (ADLAIA) was developed with, and tested against, a dataset of 12,360 audio clips of inebriated and sober speakers.
ADLAIA was able to identify inebriated speakers having a blood alcohol content (BAC) of 0.05% or higher with an accuracy of nearly 70%, which climbed to 76% for speakers with a BAC of more than 0.12%.
Said La Trobe's Abraham Albert Bonela, "Upon further improvement in its overall performance, ADLAIA could be integrated into mobile applications and used as a preliminary tool for identifying alcohol-inebriated individuals."
From La Trobe University (Australia)
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