<Tr> <Td> </Td> <Td> "Yanny or Laurel" This low quality recording of the pronunciation of "Laurel", which went viral on Twitter, enhances the illusion according to Brad Story . </Td> </Tr> <Tr> <Td_colspan="2"> Problems playing this file? See media help . </Td> </Tr> <P> "Yanny or Laurel" is an auditory illusion of a re-recording of a vocabulary word plus added background sounds, also mixed into the recording, which became popular in May 2018 . In the brief audio recording, 53% of over 500,000 people answered on a Twitter poll that they heard a man saying the original word "Laurel", while 47% reported hearing a voice saying the name "Yanny". Analysis of the sound frequencies has confirmed that both sets of sounds are present in the mixed recording, but some users focus on the higher frequency sounds in "Yanny" and cannot seem to hear the lower sounds of the word "Laurel". When the audio clip has been slowed to lower frequencies, then the word "Yanny" has been heard by more listeners, while faster playback loudens "Laurel" (see below: Pitch - shifted versions). </P> <P> The mixed re-recording was created by students who played the sound of the word "laurel" (a laurel wreath), while re-recording the playback amid background noise in the room . The audio clip of the main word "laurel" originated in 2007 from a recording of Jay Aubrey Jones, an opera singer, who spoke the word "laurel" as one of 200,000 reference pronunciations produced and published by vocabulary.com in 2007 . The clip was made at Jones' home using a laptop and microphone, with surrounding foam to help soundproof the recording . </P>

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