The LCD panel's surroundings, adjusting brightness, contrast, color, sharpness, and white balance for optimal video performance in any environment. Speaking of performance, LG's XD Engine™ — combined with TruMotion120Hz, 24p Real Cinema, and a super-fast 4ms pixel-response time — delivers smooth, accurate, film-like video for a truly home-cinema experience. Clear Voice technology automatically enhances the sound of the human voice for clear dialogue reproduction.