« The strangest sounds in the world » (#BBC_Future)(oui, il existe une telle sous-division de la BBC) : autour des #illusions_acoustiques
Do you hear the same things as me? Probably not. As these weird audio illusions show, people have radically different opinions about what reaches their ears, says #David_Robson.
(...) To explore the theme, [#TheDress, which prompted radically different interpretations of colour, the audio clips she played – and others like them – challenge our assumptions about how we each perceive the world. ] plays some auditory illusions, which are among the strangest sounds I have ever heard. What strikes me is just how easily the eerie and futuristic sounds divide the audience. Like the viral furore
Et notamment « The tritone paradox »
You can hear four pairs of notes. Within each pair, is the second note higher or lower? Playing the track in the dark cellar of the North London pub, Meekings asked us to raise our hands if we hear the pitches rising, or falling. The audience was divided 50:50.
« The rising tone illusion »
What do you hear? Many people hear the tone continuously rising and rising. In fact, it’s going in cycles – a new rising tone starts as the previous one ends.
L’article poursuit avec le travail de #Diana_Deutsch
« The phantom word illusion »
What did you hear? To me, it sounds obvious that a female voice is repeating “no way” to oblivion. But other listeners have variously reported window, welcome, love me, run away, no brain, rainbow, raincoat, bueno, nombre, when oh when, mango, window pane, Broadway, Reno, melting, or Rogaine.
« The scale illusion »
Deutsch has found that right-handers tend to hear the higher tones in their right ear, while left-handers often hear them in the left – or in both ears at the same time. It is a striking example of the way small, individual differences in brain structure can radically alter our perception, while we are completely oblivious to the fact that our sense is profoundly different to the person next to us.