audio - What is the difference of summing left and right channel vs using just one of the two? - Electrical Engineering Stack Exchange
Stereo Test - Left/Right Audio Test for Headphones/Speakers - YouTube
Windows 10 Help Forums
Change Sound Audio Balance for Left and Right Channels in Windows 10
Why do the left side of my headphone sounds weaker than the right side? I've played a surround test but I heard sound when it comes to the left side, but when