As home theater systems get more and more complex, so does the wiring required. In the past, all you needed was a coaxial cable to get the audio and video signals to your television set. Nowadays, with surround sound, Blu-ray players and high-definition programming, the setup requirements are much more complex, not to mention more costly. When transmitting high-quality audio signals, there are two main choices: optical link or HDMI. Each type of cable has its pros and cons. Writer Bio
