Dialogic Corp, making multimedia products in Parsippany, New Jersey, has unveiled an ambitious development that it calls Signal Computing System Architecture. Dialogic describes this as a comprehensive multilayered open architecture for building distributed communications systems from multiple technologies. It is claimed to enable open development of scalable communications systems encompassing voice, data and image technologies, providing a clear migration path to accomodate advances in hardware and software technology. By Signal Computing the company means technologies for converting various signals into useful information such as speech store and forward, recognition and synthesis, and facsimile.Specifications for Signal Computing System Architecture are documented in a manual, available licence-free at $125 including a year’s updates.