Original Broadcast Network: Difference between revisions

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Installed alongside the distribution network was an AV [[Contribution Network]]. The contribution/distribution system was quite advanced in it's day since it would have been possible to do point to multi-point lectures and video conference across campus. However, it is not known if it every was ever utilised beyond retransmission of BBC1/BBC2/ITV and contribution/distribution of YSTV.
Installed alongside the distribution network was an AV [[Contribution Network]]. The contribution/distribution system was quite advanced in it's day since it would have been possible to do point to multi-point lectures and video conference across campus. However, it is not known if it every was ever utilised beyond retransmission of BBC1/BBC2/ITV and contribution/distribution of YSTV.
The passing of the years had taken its toll on the system. By 1994, various colleges/buildings had been remodelled, leading to removal of the AV racks or cutting of contribution/distribution cables. At the time YSTV moved into [[G/046]], the contribution cable from Goodricke back to LTC had suffered a break due to the same building work that had lead to the society's eviction from [[P/X/002]]. This lead to the contribution point in [[P/X/002]] being pressed back into service. Cables were trailed over the roof of Goodricke college from the new studio to the physics building. From here it fed back to the AV rack in [[P/S/016]] before being sent to LTC. At the time, YSTV could be seen in Derwent, Langwith, Alcuin, Vanbrugh and Goodricke. Wentworth distribution had been lost sometime between 1993-94. The distribution system suffered from having to use live chassis televisions that could receive the (non-standard) Rediffusion signal.
This made replacing them difficult, since the Rediffusion company had pretty much disappeared and the transmission system was technologically obsolete. The proximity of the Goodricke snack bar and JCR to [[G/046]], allowed audio and video to be fed at baseband to a normal television via a SCART socket. The remaining televisions soldiered on, and when required were repaired by using parts from any spares that could cannibalised from the spares from the garage in Wentworth. Despite best efforts, picture quality was suffering, colour would turn to black and white and then back or various interference patterns could be seen on the screen.
An attempt was made to convince the University to invest in installing a new system of coaxial cable (for unbalanced base-band video) and balanced audio around the campus, but the carrot of allowing them to use it during the conference season was unappealing, and nothing happened.
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