Changes

The playback device is of special significance since binaural audio requires headphones or a distinct stereo setup to work properly. Regular speakers exhibit various degrees of so-called crosstalk, which means that sound from speaker A mixes with sound from speaker B and cancels the binaural effect out. Speakers need to be placed closely together at 10-30 degrees for crosstalk to be minimized. Headphones do not have this problem and the only real requirement is a proper sound isolation. An open design shows slightly better acoustic properties for binaural audio, but this is actually quite negligible when we consider just how big differences in anatomy can be found, for example, just between males and females. A single pair of headphones simply cannot fit perfectly on everybody. The good news is that this is not really a problem because the effect is very convincing even with just an average pair of earbuds or headphones.

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