Details scant in venture with IAC, NBC’s Silverman

NEW YORK — A new venture that NBC Entertainment co-chairman Ben Silverman is leaving the network to form with Barry Diller’s IAC/InterActiveCorp promises better integration of ad campaigns by involving advertisers earlier in a show’s development.

It also promises to develop content and marketing across every medium, as Silverman puts it, “from Twitter to television.”

Yet analysts question how this marriage of television, the Internet and advertising will play out.

Details are scant.

The new production company’s name and corporate structure are still undetermined. IAC will provide an undisclosed amount of startup capital. Other investors may be brought in later, including possibly NBC.

Whatever shape the new company takes, Silverman expects it to be the first of its kind, bringing producers, distributors and advertisers under one roof.