Output from a DVD player can be done through different means such as digital coaxial, optical, or HDMI. Optical is an audio output that uses light to transmit an audio signal. This type of output is common on DVD players and many other electronics devices.
The use of an optical output is beneficial because it can provide a high-quality audio signal. This is due to the fact that an optical connection does not suffer from any electrical interference. Additionally, an optical connection is not susceptible to any noise that may be present on a coaxial or HDMI connection.
One downside …