The Story of Stereo: Part 1

 Our ears are amazing things…evolution has created an ability that allows us to tell the direction of a sound…left and right, up and down, front and back…we can tell how close something might be, whether it’s stationary or moving, and if it’s coming towards us or going away…in other words, we hear sound in 3-d…very helpful for humans on the plains of Africa who had to be worried about being eaten by a lion…

This directionality also makes listen to music so enjoyable…the very same things that prevented us from being eaten allow us to appreciate music, whether it be live or recorded…

With a live performance, we’re in the same space as the musicians, so our ears and eyes work together when it comes to how we interpret what’s going on in front of us…we’re able to pick out all kinds of individual details…that includes the bad stuff like unwanted echo and reverb…and we’re always at the mercy of whoever is controlling and the mixing the audio for a gig…

But let’s focus recorded music…how do you create that illusion of sitting in front of a performer?...and I’m talking about the ability to close your eyes and visualize where everyone is onstage?...the singer out front…the guitarist slightly to your right…the keyboardist is slightly to your left…you can tell that the drummer is further back than everyone else, but parts of the kit are slightly spread out…and the bass player is in there somewhere, but doesn’t overwhelm the rest of the instruments…

For the last 60-plus years, technology has relied on a set of principles and techniques that allow recorded music to sound exponentially better that 99% of live performances—at least in terms of audio quality…listening to music this way is a totally immersive experience…

We call it “stereo”…and this is how this part of our musical lives came to be…it’s The Story of Stereo, Part 1

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