Sony unveiled its next-generation gaming system, PlayStation 4, at an event in New York, saying the console will be part of a new ecosystem focused on hardware, software and ``the fastest, most powerful gaming network.''

The new console is the Japanese electronics giant's first major game machine since the PlayStation 3 went on sale in 2006.

Wednesday's unveiling is Sony Corp.'s attempt to steal the spotlight, at least until Microsoft Corp. unveils its next Xbox in June, as expected, at the E3 video game expo in Los Angeles.

Among the PS4's revisions is an updated controller that adds a touchpad, motion control and a ``share'' button. The controller also features a light bar, which means a new PlayStation camera can more easily track the device.

When the PlayStation 3 went on sale in the U.S. on Nov. 17, 2006, the 20 gigabyte model had a $500 price tag and the 60 GB version went for $600. They are now cheaper and come with more storage - $270 for 250 GB and $300 for 500 GB. Comparable models of the Wii U and the Xbox 360 both start at $300.

Sony, meanwhile, started selling a mobile gaming device, PlayStation Vita, last February. The Vita connects to the PlayStation 3, so players can play the same game regardless of whether they are using a console or a handheld system.

It's believed the PS4 will be available for the holidays later this year.  The company has not released a price point.