Dolby, best-known for its noise reduction and theatrical and domestic surround-sound systems, has previewed two exciting technologies; an LED-backlit LCD display system, and an audio control system which promises to take the shock out of noisy adverts.

While conventional LCD panels have a single fluorescent backlight, meaning that brightness variations are limited in their range, the Dolby HDR (High Dynamic Range) system uses multiple locally modulated LED backlights to offer much more convincing brighness variations.

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