LG 42” 720p LCD HDTV HD HD Resolution High definition television is the highest performance segment of the DTV system used in the US. It’s a wide screen, high-resolution video image, coupled with multi-channel, compact-disc-quality sound. AV MODE LG HDTVs include 3 AV Modes, preset to optimize picture and sound settings based on "Cinema", "Sports" or "Game" content. AV Modes can be easily set with a convenient button on the remote control. ClearVoice Technology Automatically enhances and amplifies the sound of human voice frequency range to provide high-quality dialogue when background noise swells. INVISIBLESPEAKER SYSTEM LG’s 2008 line of TVs include a unique invisible speaker system, tuned by renowned audio expert, Mr. Mark Levinson. Speakers are embedded in strategic spots behind the front cabinet and use minute vibrations to turn the entire front bezel into the speaker system. The result is a clean, polished look, and enhanced audio by increasing the "sweet spot", giving a wider and richer sound field. LGSimpLink Allows for convenient control of other LG SimpLink products using the existing HDMI connection.