Soon, smartphone app to sense your mood

Researchers have developed a new computer programme for smartphones that gauges human feelings through speech with a greater accuracy.
The programme developed by engineers at the University of Rochester, surprisingly, doesn’t look at the meaning of the words.
“We actually used recordings of actors reading out the date of the month – it really doesn’t matter what they say, it’s how they’re saying it that we’re interested in,” said researcher Wendi Heinzelman.
The programme analyses 12 features of speech, such as pitch and volume, to identify one of six emotions from a sound recording. And it achieves 81 per cent accuracy – a significant improvement on earlier studies that achieved only about 55 per cent accuracy.

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