RadioInk reports: Aldav LLC has filed suit against Clear Channel, Cumulus, Citadel, CBS Radio, Entercom, Saga, Cox Radio, Univision, Regent, Gap, Radio One, and the Aloha Station Trust, claiming that, by replacing advertising and other content in their online streams, the broadcasters are infringing on a patent on which Aldav holds a license.US 6,577,716 (titled Internet radio system with selective replacement capability) has a first claim: A method for replacing… [read post]