In somewhat of a disappointment to the many people who heard "Yanny" in the clip, the actual word recorded in the original clip is laurel, defined as a "wreath worn on the head, usually as a symbol for victory". "A - E, Laurel, ah and Yanny, aw, I don't know how you could confuse the ah, and the aw even if you have a significant hearing loss". "The interesting thing about the word Yanny is that the second frequency that our vocal track produces follows nearly the same path, in terms of what it looks like spectrographically, as Laurel".
"Part of it involves the recording", said Brad Story, Professor of Speech, Language and Hearing at The University of Arizona. With over 14,000 votes, "laurel" edged out "yanni" 61% to 39% in a poll conducted by @KFCRadio on Twitter, but the disagreements and conversations have continued well into the week.
We also took to the streets to find out what Ottawans heard, and you can check out the responses in the video above.
The sound jumped to prominence when Roland Szabo, an 18-year-old high school student in Lawrenceville, Georgia, posted it on Reddit.
He said our ears may hear the sound but our brain listens to it and translates it something it recognizes.
John Houde, who runs the speech neuroscience lab at UCSF where Kothare works, said that the either-or prompt of yanny or laurel is a classic example of what's known as a forced-choice experiment.
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More than one person online yearned for that simpler time in 2015, when no one could decide whether the mother of the bride wore white and gold or blue and black.
The debate began on Reddit and expanded throughout social media.
RNZ Auckland staffers unanimously heard "Yanny" in the clip, however further investigations showed it was possible to hear both words depending on the type of headphones worn.
"It's partly because of different frequencies in the audio file", Goetz said.
The brain and ear together makes a quite a toolset, selectively listening and/or blocking what we hear.