Yanny or Laurel? Understand mysterious audio that has become a hit on the Internet | Internet

Yanny or Laurel? A new mystery, this time involving audio, is dominating everyone's social media. After the controversial photo of the dress, which some saw blue and black and others white and gold, now a sound of a few seconds with a robotic voice is dividing Internet users. Certain people hear the word Yanny; others swear to listen to Laurel. The content would have gone viral after an 18-year-old student posted on his Reddit account, exactly due to differences of friends over what was said.

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Play on the video below to hear the polemic sound:

Then, the content began to be shared numerous times on social networks. For example, the post above, by Twitter user Cloe Feldman, reached more than 21 million views. The success was so great that Feldman even had to make a video on his YouTube channel explaining that he did not know the source of the audio and that he had only reproduced it from somewhere.

The sound illusion is actually a stimulus of ambiguous perception. In an interview with The Verge, assistant professor of audio and cognitive neuroscience at Maastricht University, Lars Riecke, explains that the secret lies in frequency, in the mechanics of the ears and also in what one expects to hear. The audio can also be influenced by the medium in which the audio is heard. Lars justifies that it is likely that the perception between the two sounds alternates depending on the type of frequency that a sound card emphasizes.

According to Lars, we lose audio in the higher frequency ranges as we age, which is why younger ears tend to listen to Yanny. The phenomenon can be simulated on the computer by removing the higher or lower frequencies. The acoustic information that makes us hear Yanny is louder than the acoustic information that makes us hear Laurel, explains Lars.

J Bharath Chandrasekaran, a professor in the Department of Communication Sciences and Disorders at the University of Texas, says the text that comes with the audio, which can help people shape what you hear due to the suggestion between the two words. That is, it is not only the ears or speaker that influence the choice of the word, but the brain too.

But, after all, Laurel or Yanny?

According to The New York Times, in addition to the 18-year-old who posted the audio on Reddit, there are two other young men who claim to be the authors of the recording, made from the sound of a word on vocabulary. The word you meant? Laurel, a term for a wreath worn on the head, is usually a symbol of victory ".

Via The Verge and The New York Times

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How would you look if you were the opposite gender? Know the site and do tests

How would you look if you were the opposite gender? Know the site and do tests