Speech technologies ġ975 saw the release of MUSA, the first Italian speech synthezer, and one of the first in the world: later, the same group also contributed to research in speech recognition: both technologies were used for auto-responder systems in telco services. A second result from Tamburelli was the electronic removal from the image of what was term "blood" covering the man of the Shroud. Notably, that work made the native "3D structure" of the Shroud itself apparent for the first time. In 1978, CSELT also gained notoriety due to its 3D images of the Shroud of Turin, supervised by Giovanni Tamburelli: those images, the highest-resolution ones available at that time, followed the first 3D images of the Shroud that had been provided by NASA earlier during the same year. in 1975 was introduced for the first time an architecture-independent automatic bootstrap from ROM composed from semiconductors, pushing a single button (and not by a long hand procedure input as in the past) and with the storage of the machine state of the switch, in order to have a quick automatic reboot of the switch in case of failure. It was the second electronic switching system in Europe, but very advanced in design: e.g. In 1971, CSELT built the "Gruppi Speciali", a time-division processing computer for telephone call switching.
An example of innovation in the fiber optics field, was the coupling techniques of the optic cables, named Springroove and patented in 1977 by CSELT, that allowed to build long paths of optic fibers suitable for a metropolitan network. Furthermore, in 1971 it started a joint research with Corning Glass Works on optical fiber cables: as a result, in 1977 Torino was the first city having a metropolitan optic line (9 km of length, the longest at that time), in collaboration with Sirti and Pirelli. Research areas Transmission technology and fiber optics ĬSELT became internationally known at the end of 1960s thanks to a cooperation with the US-based company COMSAT for a pilot project of TDMA (and PCM) satellite communication system. 1.3 Image processing: the Shroud of Turin.
1.1 Transmission technology and fiber optics.
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