you might also hear this effect by using the stereo receiver or amplifier’s balance control.
This encoding is provided on DVDs, Blu-ray/Ultra HD Blu-ray Discs, and some streaming and broadcast content.
Due to this placement, the center channel requires its own speaker.
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Although the added center speaker results in a little more clutter, there are distinct advantages.
The reason for this is not so much technical, but aesthetic.
A horizontally-designed center channel speaker can be more easily placed above or below a TV or video projection screen.
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This is referred to as “timbre-matching.”
Aperion Audio
