How Headphones Changed the World

Posted: May 31, 2012 at 9:15 am


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A short philosophical history of personal music

If you are reading this on a computer, there is an excellent chance that you are wearing, or are within arm's reach of, a pair of headphones or earbuds.

To visit a modern office place is to walk into a room with a dozen songs playing simultaneously but to hear none of them. Up to half of workers listen to music on their headphones, and the vast majority thinks it makes us better at our jobs. In survey after survey, we report with confidence that music makes us happier, better at concentrating, and more productive.

Science says we're full of it. Listening to music hurts our ability to recall other stimuli, and any pop song -- loud or soft -- reduces overall performance for both extraverts and introverts. A Taiwanese study linked music with lyrics to lower scores on concentration tests for college students, and other research have shown music with words scrambles our brains' verbal-processing skills. "As silence had the best overall performance it would still be advisable that people work in silence," one report dryly concluded.

If headphones are so bad for productivity, why do so many people at work have headphones? And why are our bosses letting us drive ourselves to distraction?

There is an economic answer: The United States has moved from a farming/manufacturing economy to a service economy, and more jobs "demand higher levels of concentration, reflection and creativity." This leads to a logistical answer: With 70 percent of office workers in cubicles or open work spaces, it's more important to create one's own cocoon of sound. That brings us to a psychological answer: There is evidence that music relaxes our muscles, improves our mood, and can even moderately reduce blood pressure, heart rate, and anxiety. What music steals in acute concentration, it returns to us in the form of good vibes.

That brings us finally to our final cultural answer: Headphones give us absolute control over our audio-environment, allowing us to privatize our public spaces. This is an important development for dense office environments in a service economy. But it also represents nothing less than a fundamental shift in humans' basic relationship to music.

A SHORT HISTORY OF PRIVATE MUSIC

In 1910, the Radio Division of the U.S. Navy received a freak letter from Salt Lake City written in purple ink on blue-and-pink paper. Whoever opened the envelope probably wasn't expecting to read the next Thomas Edison. But the invention contained within represented the apotheosis of one of Edison's more famous, and incomplete, discoveries: the creation of sound from electrical signals.

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How Headphones Changed the World

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May 31st, 2012 at 9:15 am




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