APT’s WorldNet and WorldCast audio codecs offer professional, reliable and cost-effective broadcast solutions for studio transmitter links, studio networking and remotes. At the forefront of high quality audio delivery, APT codecs enable the transport of AM, FM, HD Radio and multiple channel content over IP, T1/ E1, Leased Line, Satellite, Microwave and ISDN networks worldwide.

Products include; Audio Codecs and Multiplexers for use over IP, T1, E1, ISDN, X.21 and V.35 links.