![]() ![]() In other words, before you buy a soundbar or A/V receiver, make sure it will work with your TV. Since the signals are travelling on separate paths, the audio and the video might be out of sync. ![]() This might seem like a good workaround, but it’s actually not. ![]() If your TV doesn’t support optical sound, you’ll need to run an optical cable directly from your source. For example, some soundbars don’t support HDMI sound. We shouldn’t have to mention this, but we will: make sure your equipment is compatible. This makes them impervious to outside interference. However, they transmit the signal via light, rather than an electrical current. These are relatively expensive to manufacture. Optical cables, on the other hand, are made of fiber optic strands, which are made of glass. On the downside, it’s susceptible to electromagnetic interference. Copper is cheap, it’s easy to produce, and we’ve been manufacturing with it for centuries. HDMI cables are primarily made of copper, which is a standard material for any electronic cable. The main difference between HDMI and optical is in their material construction. ![]()
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