A.I. algorithm can figure out what music is playing in your head

Researchers at the University of California, Berkeley were able to accurately  predict what sounds a pianist is thinking of, based on brain activity.
For the study, the team recorded a pianist’s brain activity when he played music on an electric keyboard. By doing this, they were able to match up both the brain patterns and the notes played. They then performed the experiment again, but turning off the sound of the keyboard and asking the musician to imagine the notes as he played them. This training allowed them to create their music-predicting algorithm.
“During auditory perception, when you listen to sounds such as speech or music, we know that certain parts of the auditory cortex decompose these sounds into acoustic frequencies — for example, low or high tones,” Pasley told Digital Trends. “We tested if these same brain areas also process imagined sounds in the same way you internally verbalize the sound of your own voice, or imagine the sound of classical music in a silent room.”
 

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