As TV makers struggle to stay profitable amid weak demand, some Asian manufacturers are attempting to reverse the steep price declines with new features, such as voice recognition and higher resolution displays.

The new features, to be showcased this week at the Consumer Electronics Show in Las Vegas, could be the next battleground for TV manufacturers. Whether consumers will be receptive to them or not will be a critical test for a TV industry that has struggled over the past year, with many manufacturers losing money as TV prices have fallen sharply because of tepid demand and a supply glut.

Samsung Electronics Co., the world's biggest TV maker by shipments, is showcasing a television that can respond to voice commands and gestures without the need for a remote control. The feature is added to its lineup of so-called Smart TVs