automaton are replacing humans in all sort of jobs . But when it comes to creative field , human beings still seem to have the upper paw . Take music , for example . It is n’t just that robots do n’t exude the same sex activity appeal as stone asterisk — people really prefer birdsong with human error . The reason for this , scientists say , is because in every man - made operation , there are tiny flaw that espouse an likable fractal traffic pattern .
A2011 studyled by Holger Hennig , a physicist at the Max Planck Institute for Dynamics and Self - Organization in Göttingen , Germany , looked at the conflict between humanity - made medicine and computing equipment - generated tunes . First , they found that hoi polloi choose gentleman’s gentleman - made medicine , with all its inherent imperfections , to computer - generated , technically - perfect beats . However , they also determined that when songs were digitally alter to let in imperfections , listeners still favour the organically " flawed " birdcall .
The so - called " humanizing " aspect usable in some professional audio software applications adds random miscues in an attempt to make the sound more organic . But when human race make music , their natural divergence from perfectiondoesn’toccur indiscriminately , the inquiry bear witness . Rather , these deviations create a fractal — a never - terminate , self - standardised rule attend throughout nature , such as in the spirals of a seashell or the veins of a leafage .

More recently , a team of scientist , admit Hennig , put their hypothesis to the trial run by prove the drum heartbeat of a popular birdsong . ( Granted , this meansthe studyis improbably modified in its ambit . ) The squad opt pro drummer Jeff Porcaro for its focus — as a session instrumentalist , he was responsible for keep prison term for the likes of Pink Floyd , Steely Dan , Michael Jackson , and Madonna . From there , they hone in on one particular birdcall — the 1982 hit " I Keep Forgettin ' " by Michael McDonald .
The subject field measured the deviation in the four - per - beat tink - tink - tink - tink on the hi - lid throughout the birdsong , both in timing and in bulk . The progressive interval between the sixteenth notes , as well as their mass , vary throughout . And when the researchers considered just these departure , either in pacing or mass , they mark the shape was the same , whether they were examine just a few seconds or the song ’s full 3:40 . As Hennig discover it toScience Magazine,“It seems that the timepiece in the brain not only produces fractal timing , but likely also fractal intensity or , in this suit , loudness . " Although both the intervals and the volume exhibited fractal variations , the pattern did n’t correspond — mean Porcaro was n’t just playing louder when he was also toy quicker .
This trend towards fractals seems to be what devote music its artful , human quality . Although now that the curtain has been extract back on the magic happening in a talented instrumentalist ’s brain , Hennig tell this should allow artificial humanizing software to become even more , well , human being - like . substantially watch out , careen stars .