মঙ্গলবার, ১৬ জুলাই, ২০১৩

Voice almighty: Decoding speech's secret signals

Think you can tell how old someone is by listening to them talk? Test yourself with our quiz: "Guess a person's age from their voice"

THE YEAR was 1927. The BBC had only passed its fifth birthday and radio broadcasting was still a novelty. With radio plays wafting through the airwaves into almost every living room, British psychologist Tom Hatherley Pear wanted "to discover what actually goes on in the minds of different listeners" as they tuned into programmes "presenting the voice and nothing besides".

So he recruited 9 people ? ranging from his 11-year-old daughter to a judge and a minister ? to read aloud on air a passage from The Pickwick Papers, in which Dickens describes a comically unsuccessful outing on ice skates. The readings were broadcast on BBC stations across the UK on three consecutive nights in January, and listeners were asked to cut out a ...

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