PlayStation CEO Andrew House says company will keep new hardware under wraps until it can demonstrate a major advance over PlayStation 3.

Despite some suggestions that Sony would show new hardware during its 2012 Electronic Entertainment Expo media briefing earlier this month, the company did not utter a word about the PlayStation 4. Explaining the console's absence from the show and Sony's wider thoughts about new hardware to MCV, PlayStation CEO Andrew House said gamers should not expect talk of the PS4 until major advances over the PlayStation 3 can be shown.

Sony isn't ready to show off the PS4 just yet, House says.

"The right time to talk about new advances in hardware is when you can demonstrate a significant leap on the current experience, and something that is going to be attractive," he said. "That remains our philosophy. Beyond that we have nothing to say at this point."

A recent analyst report predicts Sony--and Microsoft--will have their respective future-generation consoles on store shelves by the end of next year. Sony's PS4 is rumored to boast the same graphics card as Microsoft's next Xbox, as well as measures to block out used games, though analysts do not find this claim likely.

For more on the PS4, check out GameSpot's rumor roundup feature.

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