Telettra Telefonia Elettronica E Radio Spa

Marco Modena

Silvio Cucchi

Giorgio Parladori

Roberto Peruta

Giovanna Vecchietti

A system for structuring information outputted at a variable bit rate from a video signal encoder and for organizing the information into information units or packets. The information packets are compatible for transmission and processing by packet transmission networks such as asynchronous transfer mode (ATM), capable of sending transmission data streams at variable speed. In a preferred embodiment, the system uses an encoder that comprises video units. Each video unit contains information classified into three distinct classes. Each video unit is associated with a video packet comprising a header and a body. Each of the three distinct classes of information associated with a video unit uses a different technique for tho providing protection of that information against transmission errors and/or information packet loss.

System including packet structure and devices for transmitting and

A system which permits a color television signal to be efficiently encoded by a unidimensional or bidimensional transform. The color television signal input to the system is sampled using a variable frequency sampling clock, and the sampled signal is digitally processed. The result is three signals having statistical characteristics similar to the individual component signals of the original color television signal. These resultant signals are encoded to obtain a highly compressed color television signal for transmission.

Growing community of inventors

Milan, Italy

Marco Modena