SAN FRANCISCO--(BUSINESS WIRE)--Dolby Laboratories, Inc. (NYSE: DLB), the developer of the AC-4 standard, today announced a collaboration with Top Victory Investments Ltd. to promote the adoption of Dolby® AC-4 in its affiliate TP Vision’s televisions for next-generation broadcast systems and streaming Internet content. This collaboration follows the recent commitments from Sony Visual Products and VIZIO to promote Dolby AC-4. A powerful new audio format in the Dolby Audio™ family, Dolby AC-4 e