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APT Ltd is a pioneering designer of audio codecs for broadcast professionals and telecommunications companies worldwide. The company’s WorldNet and WorldCast codecs offer reliable and cost-effective broadcast solutions delivering high quality audio over IP, T1, E1, ISDN & Leased Lines.

Designed for use in studio transmitter links, studio networking and remotes / OB applications, the APT codec portfolio includes a wide range of stereo and multi-channel units that can be deployed as a simple STL or a large-scale IP audio network.

APT codecs have been selected by many leading broadcasters worldwide. Noteworthy examples include the BBC, ARD and the European Broadcast Union in Europe; NRK Japan, Korean Telecom and Australia Broadcasting Corporation in Asia and National Public Radio, Clear Channel Radio, Sirius Satellite Radio and CBC Canada throughout North America.