However most modern flat panel displays (such as LCD screens) require digital signals. These impulses are then processed by the TV set itself. Coaxial cables carry high-frequency radio waves which are converted into electrical impulses. Most TVs today still receive their video signals via coaxial cables. ![]() To understand why this is important let's take a step back and think about the way TVs and monitors operate. For example if you wanted to play music files stored on your iPod onto your television you'd need to convert the audio file into a digital format that could be read by both devices.Īn HDMI cable converts analog video signals into digital ones. In order to connect two different types of devices together you must convert the signal into another format. They allow video signals to be sent between devices using only one cable. HDMI cables are commonly found in televisions and computers. ![]() How to choose the best rca hdmi converter
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