Internet captured the sound illusion. Check that you hear

The forums Reddit unusual surfaced audiotape that divided Internet users into two camps: one in her name Yanni hear (Yanny), and others - Laurel (Laurel). Spores both sides compared with the known visual illusion, on which depicted dress whether gold, or blue. Listen to an audio recording can be as follows:

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As it turns out, is an interesting audio uses a wide range of frequencies. Roughly speaking, the name of Yanni played at high frequencies, and Laurel - low.

What he hears people in the end, much depends on the playback device - whether it's headphones, high-quality audio and speaker phone. At the same time young people should often hear "Yanni", because with age the human ear picks up worse than high frequencies.

Perception is also influenced by initial expectations before listening, because all that we hear, takes the familiar form of our brain. This information was confirmed by Professor Lars Rica (Lars Riecke) from the University of Maastricht and Bharat Chandrasekaranom (Bharath Chandrasekaran) from the University of Texas.

you can hear both when you adjust the bass levels: pic.twitter.com/22boppUJS1

- Earth Vessel Quotes (@earthvessquotes) May 15, 2018

However, the sound can be directly affected if adjust the playback rate, for example, in the computer's sound card or a simple audio editor. Some report that the sound varies at different volume levels. Most likely, people with a strong musical ear can hear two names simultaneously.