![]() Each country had their own unique ways of picking up and amplifying noise to help hear the plane engines and determine their direction. In World War I and the early part of World War II, acoustics played a large part in determining the direction of aircraft. With this, appreciators of the opera could listen from as far away as two kilometers. These transmitters created a binaural stereoscopic sound (a method of recording sound with two microphones arranged to replicate the 3D stereo sound one perceives in real life). In 1881, a French engineer named Clement Ader invented the Théâtrophone, which used 80 telephone transmitters connected across the stage of the Paris Opera. Technology to emulate this natural experience anywhere has been a pursuit for well over a century. It comes from every direction (above, below, to the right, left, behind, in front, and everything in between), and our brains can decipher these sounds to determine direction. When we’re not using headphones or earbuds, we’re listening to sound in 3 dimensions. ![]() However, if watching something is more your speed, check out our webinar on the topic. At this point, you’ve probably heard a bit about spatial audio from all over, but what is spatial audio exactly? What is this big feature that Google, Apple, and Samsung are all including in their products? And is it the same thing as Dolby Atmos? This post will go into detail about what spatial audio is and why we should care.
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